Shortlist by what you need
Start here if you know why you are leaving Retainr.io.
Want the closest match?
FuseBaseMost similar to Retainr.io in what it does, its category and its price.
Visit (opens FuseBase in a new tab)Need a free plan?
forms.appHas a free plan, rated 4.2 out of 5. Retainr.io has none.
Visit (opens forms.app in a new tab)Want the lowest price?
AssemblyFrom $39/mo, the lowest starting price here.
Visit (opens Assembly in a new tab)Want the best rated?
ResoumeRated 3.7 out of 5 in our review, against 3.7 for Retainr.io.
Visit (opens Resoume in a new tab)
At a glance
Green means better than Retainr.io, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
 Retainr.ioBaseline | 3.7 | Not listed | No | White-label client portal that turns agency services into packages clients buy and track. | |
| FuseBase | 4.1+0.4 | $32/mo | YesRetainr.io has none | AI-native client portal and collaboration platform for agencies and consultants. | vs Retainr.io |
| Assembly | 4.0+0.3 | $39/mo | No | AI-powered client portal and CRM that centralizes communication, files, and billing for professional service firms. | vs Retainr.io |
| Resoume | 3.7Same | Not listed | No | AI resume and personal website builder with AI-generated headshots, an AI writing assistant, mock interview practice and resume or LinkedIn profile review. | vs Retainr.io |
| forms.app | 4.2+0.5 | $29/mo | YesRetainr.io has none | Cloud form and survey builder with AI-generated questions, logic, and quizzes. | vs Retainr.io |
The alternatives in detail
In order of how closely each one matches Retainr.io.
FuseBase
4.1$32/mo
vs Retainr.io+0.4Free plan
AI-native client portal and collaboration platform for agencies and consultants.
- No-code, white-labeled client portals
- AI agents that recap meetings and auto-assign tasks
- Customizable task boards with kanban and progress views
Genuine free plan exists, not only a time-limited trial, for testing core portal features
Advanced tier at $332/month is a steep jump from Essentials for growing teams
Assembly
4.0$39/mo
vs Retainr.io+0.3
AI-powered client portal and CRM that centralizes communication, files, and billing for professional service firms.
- Branded client portals consolidating messages, files, forms, and invoices in one place
- AI Assistant that drafts replies and summarizes client threads using full context
- Automated task creation and invoice preparation from client interactions
AI Assistant uses actual client history and context rather than generic chat responses
No permanent free plan, only a 14-day trial before billing starts
Resoume
3.7Not listed
vs Retainr.ioSame
AI resume and personal website builder with AI-generated headshots, an AI writing assistant, mock interview practice and resume or LinkedIn profile review.
- AI-generated professional headshots on Pro and Ultimate tiers
- AI writing assistant for resume and portfolio content
- AI warmup interview practice plus resume and LinkedIn profile review
Built and actively run by an identifiable, named solo engineer since 2020
No free tier; every functional plan carries a monthly price
forms.app
4.2$29/mo
vs Retainr.io+0.5Free plan
Cloud form and survey builder with AI-generated questions, logic, and quizzes.
- AI form generator that writes questions and answer options from a text prompt
- Conditional logic for branching, multi-page forms
- E-signature collection built into forms
AI question generation cuts down on blank-page form building
Paid tiers ($29-$79/month) run higher than some no-frills form builder competitors
FAQ
Questions people ask
Is Retainr.io free?
Retainr.io does not list a free plan. Check its pricing page for current plans.
What is the best free alternative to Retainr.io?
forms.app is the highest-rated alternative here with a free plan (4.2 out of 5). Other free options: FuseBase.
What is the cheapest alternative to Retainr.io?
Among paid plans, forms.app has the lowest starting price (from $29/mo). If you need it free, start with forms.app.
How did you pick these alternatives?
We match tools on what they do, their category and their price, using the details in our directory. Ratings come from our reviews and reader reviews.