HourTab

Blog · July 9, 2026 · ~12 min read

Retainerkit vs. HourTab: which retainer tracker is right for solo freelancers?

Both tools solve the same problem: clients who don’t know how many retainer hours they have left. The tools solve it differently, they cost dramatically different amounts, and they’re built for different shapes of freelance practice. Here’s how to tell which one fits yours.

The same problem, two very different philosophies

Retainerkit and HourTab were both built in response to the same fundamental issue: retainer clients send status emails asking how many hours they have left, freelancers spend time answering, and neither party has a shared source of truth they can check at any moment. The tools agree on the problem. They disagree on almost everything else.

Retainerkit is a client portal platform. It gives each client an account, credentials, and a login flow. The client portal model is the industry default for retainer management — most purpose-built retainer tools use some version of it, and for a 10-seat agency managing 30+ retainer clients, it makes sense. Accounts, permissions, audit trails, and multi-seat admin are the right infrastructure for that kind of operation.

HourTab uses a public URL model instead. No client accounts. No login. You generate a URL for each retainer, send it to the client once, and the client bookmarks it. The URL shows a live progress bar, hours used and remaining, and the work log for the current cycle. The client can open it any time from any device without ever creating a password. It’s Calendly-shaped: the whole value proposition fits on a share button.

Whether you prefer the portal model or the URL model is not primarily a preference question — it’s a structure question. The answer comes from the size of your practice, the nature of your client relationships, and whether a portal login adds friction your clients won’t tolerate or structure they actually need.

What Retainerkit actually is

Retainerkit is the category leader in purpose-built retainer management software. It’s been around long enough to have refined its feature set considerably, and at the agency tier it covers everything: client portals with login, retainer tracking across multiple clients, invoicing integration, team seats, and a white-label option so the portal carries your agency’s branding.

The pricing starts at $49 per month for the entry tier. For an agency billing 15 retainer clients at $150/hr average, $49/mo is an insignificant operating cost. For a solo freelancer billing two retainer clients, $49/mo is 2–4% of gross revenue before tax. That difference in relative cost is one of the main reasons HourTab exists.

Retainerkit’s feature set also assumes a particular operational complexity. You need to configure client accounts, set permissions, manage the portal settings per client, and potentially handle onboarding each client to the portal login flow. For an agency ops lead, this is routine. For a solo freelancer who uses their retainer tool 10 minutes per month per client, it’s significant overhead for a task that — from the client’s perspective — is just “check the hours”.

The login requirement also creates a friction point that many solo freelancers underestimate until they live through it. When a client needs to check hours and they can’t remember the portal password, they often just email you instead. The tool was supposed to eliminate the status email; the login barrier brings it back.

What HourTab actually is

HourTab takes the opposite approach to almost every design question Retainerkit answers. Where Retainerkit builds a portal, HourTab builds a URL. Where Retainerkit requires client accounts, HourTab requires nothing from the client. Where Retainerkit is priced for agencies, HourTab is priced for solos.

The core flow is: upload a CSV export from your time tracker (Toggl, Harvest, Clockify, or a manual spreadsheet), set the retainer hours cap for the cycle, and share the generated URL. The URL is public — anyone with the link can see it — and it shows the client a progress bar, the hours used and remaining, and a work log of every entry in the cycle. No account creation on either side beyond the initial freelancer signup.

The free tier covers one active retainer. The Solo plan ($9/mo) covers up to 10 retainers, removes HourTab branding from the share page, adds custom URL slugs, and includes CSV export and the email-a-summary button. The Studio plan ($19/mo) adds unlimited retainers, a branded subdomain, 2 team seats, per-client headers, and rollover rules.

The pricing is deliberately positioned below Retainerkit at every tier. A solo freelancer with 3–5 retainer clients pays $9/mo instead of $49/mo. A small studio with 10+ retainer clients pays $19/mo instead of $49+. The underlying premise is that the solo and small-studio segment is underserved by agency-tier tools, and a purpose-built lightweight option can capture that segment at a price point that makes financial sense.

The pricing comparison in plain numbers

At the entry level, the gap is stark:

Over a year, HourTab Solo vs. Retainerkit entry-level is $108 vs. $588 — a difference of $480. On annual billing, HourTab Solo drops to $90/yr and Studio drops to $190/yr. Retainerkit’s annual pricing is not publicly listed at the time of writing.

For a solo freelancer billing $75–$150/hr on monthly retainers, the $40/mo difference in tool cost is roughly 15–30 minutes of billable time. That’s not nothing. The question is whether the additional features in Retainerkit’s entry tier are worth that difference to your practice. For most solos, the answer is no — the features they’re actually using are retainer tracking and client hours visibility, both of which HourTab covers.

The core UX difference: client portal vs. public URL

This is where the tools diverge most meaningfully from the client’s perspective. The difference is not just a UX preference — it has operational consequences.

Client portal model (Retainerkit): The client receives an invitation email, creates an account, and logs into a portal to see their retainer status. This works well for clients who are comfortable with software logins and who will engage with the portal regularly. Enterprise clients and tech-forward teams tend to have no problem with this model.

The challenges appear with clients who are less tech-forward (small business owners, individual executives, creative professionals who don’t want another login), with clients who check infrequently (if a client only looks at hours twice a month, the login-reset flow is a real cost), and with clients who use multiple devices without password management tools. For these clients, the portal login becomes an obstacle rather than a feature.

Public URL model (HourTab): The client receives a URL in a message or email, clicks it, and sees the retainer dashboard immediately with no account creation. They can bookmark it, share it with an assistant, or open it from a phone without any friction. The trade-off is that the URL is not access-controlled: anyone who has the link can see the information on the page.

For most retainer relationships, the information on the page — hours used, hours remaining, work log — is not sensitive. It’s billing transparency data. The freelancer wants the client to see it; that’s the entire point. The public URL model optimizes for zero-friction access to that transparency, and the trade-off (no access control) is genuinely a non-issue for the typical solo-freelancer-to-SMB retainer relationship.

If your retainer relationships involve highly confidential work where the existence of the engagement itself is sensitive (legal, executive advisory, certain agency relationships), the access-controlled portal model is appropriate. If your retainer relationships involve standard professional services work where the client is already cc’d on deliverables, the public URL model is simpler and more reliable.

Feature comparison: what each tool covers

Rather than a side-by-side table (the dedicated comparison page covers the feature matrix), here’s how the tools compare across the tasks solo freelancers actually do:

Logging time entries: HourTab uses CSV import from existing time trackers rather than a native timer. You log time in Toggl or Harvest as you normally would, then upload the CSV. This means zero change to your existing time-tracking workflow. Retainerkit has more integration options at higher tiers and can sync with certain time tracking tools natively, which is valuable if you want the portal to update in real time rather than on a CSV cadence.

Sharing status with clients: HourTab generates a URL you share once; the client bookmarks it. Retainerkit generates client portal accounts. For freelancers whose clients are comfortable with portals, the Retainerkit approach works. For freelancers whose clients resist creating another login, the HourTab URL approach eliminates the friction point entirely.

Managing multiple retainers: Both tools handle multiple retainers. HourTab’s Solo plan ($9/mo) covers up to 10 — more than enough for the typical solo freelancer with 2–5 retainer clients. Retainerkit’s entry tier covers more clients with more admin features, which matters if you’re managing a large portfolio.

Cycle and billing management: HourTab tracks hours cap and cycle dates; clients see what’s used and what resets when. Retainerkit has more sophisticated billing cycle features, invoicing integration, and financial reporting at the agency tier. If you need retainer tracking to feed directly into billing workflow, Retainerkit’s financial features are more mature.

Team access: HourTab Studio ($19/mo) covers 2 team seats, suitable for a small studio. Retainerkit is built for multi-seat agency teams and handles this at a different scale.

When Retainerkit is the right call

Retainerkit makes sense when the additional features and infrastructure are genuinely used by your practice:

You manage 15+ retainer clients across a multi-person team. At this scale, the admin overhead of Retainerkit’s team and permissions features pays for itself. The $49/mo price point becomes a rounding error against the billing volume, and the portal structure adds control that a URL-based approach can’t match.

Your clients expect a formal client portal. Some enterprise clients and agency relationships come with an expectation of a branded client login area. If the portal is part of your agency’s value proposition and clients expect it, Retainerkit delivers that experience out of the box.

You need real-time billing data feeding into invoicing. If you want retainer status to sync automatically with your invoicing workflow rather than operating on a CSV upload cadence, Retainerkit’s integrations are more mature and better suited to that requirement.

You have a dedicated ops person. Getting the most out of Retainerkit requires someone to configure client portals, manage accounts, and handle the administrative overhead. If your practice has someone whose job includes this kind of ops work, Retainerkit’s feature depth becomes an advantage rather than a burden.

When HourTab is the right call

HourTab is the right fit when simplicity and price are both important and the client portal model would add friction you don’t need:

You have 1–10 retainer clients as a solo freelancer or micro-studio. The free tier and Solo plan cover this range at a fraction of Retainerkit’s cost. There’s no feature you need at this scale that HourTab doesn’t provide.

Your clients are non-technical or averse to creating accounts. Small business owners, individual executives, and creative professionals who are retainer clients tend to have limited patience for another login. A URL they can bookmark from a text message eliminates the adoption friction entirely.

You want to plug into your existing time tracker rather than replace it. HourTab works alongside Toggl, Harvest, Clockify, or a spreadsheet via CSV. You don’t change how you track time — you add a layer that turns your existing data into a client-facing URL.

You want to ship the client-facing hours page this week. HourTab’s setup time is measured in minutes: create an account, upload a CSV, share the URL. There’s no portal configuration, no client invitation management, no account provisioning. If you want a client looking at a live hours dashboard before your next check-in, HourTab can do that today.

The $40/mo difference matters to your practice. At the margins of a solo freelance business, $480/year is meaningful. If both tools cover your needs, the price difference alone is reason enough to start with HourTab.

What happens if you outgrow HourTab?

A common objection to choosing the simpler, cheaper tool is “but what if my practice grows?” It’s worth examining what “outgrowing HourTab” actually looks like.

HourTab’s Studio plan at $19/mo covers unlimited retainers and 2 team seats. The tool becomes genuinely constraining when you have more than 2 team members who need independent access to manage client retainers, or when you need real-time billing sync that CSV import can’t provide at the cadence you need, or when your clients specifically request a formal portal login (rather than accepting a URL).

These are not small-practice constraints. A practice that has outgrown HourTab by those measures is billing dozens of retainer clients with a multi-person team — at which point Retainerkit’s $49/mo or higher is a proportionate cost relative to revenue. The switching cost at that point is also real but manageable: migrating client data from one system to another is an afternoon of work, not a crisis.

The practical answer to “what if I outgrow it” is: you start with HourTab, save $40+/mo for 12+ months while your practice grows, and switch to Retainerkit if and when the practice scale actually justifies the cost and complexity. Most solo freelancers never hit that inflection point. The ones who do have the revenue to make the transition without stress.

The decision in one question

If you want a simple heuristic: ask yourself whether your clients will actually log into a portal to check their hours.

If yes — they’re enterprise clients or technical teams who expect a formal portal, or you have an agency-level practice with the ops capacity to support portal accounts — Retainerkit is the right choice.

If no — your clients are SMB owners, small teams, or individual professionals who will check a URL but won’t create an account, or you’re a solo freelancer with fewer than 10 retainer clients who wants a lightweight solution that costs less than their Toggl subscription — HourTab is the right choice.

The honest reality is that most freelancers searching for a Retainerkit alternative are in the second category. They tried Retainerkit, found the price-to-features ratio off for their practice size, and are looking for something simpler and cheaper that still solves the client-hours-visibility problem. That’s exactly the gap HourTab was designed to fill.

HourTab starts free (one retainer, no time limit), takes about five minutes to set up, and doesn’t require your client to create an account. If you have one retainer client who keeps asking how many hours are left, start there. The answer to whether you need Retainerkit’s feature set will be obvious once you’ve seen what the simpler version can do.

For more detail on how these tools compare feature-by-feature, see the Retainerkit vs. HourTab comparison page or read about the basics of retainer billing if you’re earlier in the process of structuring your retainer relationships.