Routine stands apart with the most generous permanent free plan and a dedicated notes space, making it a stronger fit for individuals and small teams that…
Free trial + paid plans · From $19/month (billed annually)
Best for: Busy professionals who want a Universal Inbox pulling tasks from many tools straight into a time-blocked calendar, backed by the Aki AI assistant.
Freemium subscription with individual and team tiers billed monthly · From Free (Personal plan from $5/month, Professional from $10/month)
Best for: Individuals and small teams who want a generous free tier combining tasks, calendar, and notes with metered AI credits, plus a clear per-seat path as they grow.
subscription · From $17/month
Best for: Solo knowledge workers who want a single simple price for a structured daily and weekly planning ritual, without team-tier complexity.
| Akiflow | Routine | Sunsama | |
|---|---|---|---|
| Primary category | Calendar | Calendar | Calendar |
| Rating | Not documented | Not documented | Not documented |
| Pricing model | Free trial + paid plans | Freemium subscription with individual and team tiers billed monthly | subscription |
| Starting price | $19/month (billed annually) | Free (Personal plan from $5/month, Professional from $10/month) | $17/month |
| Free plan | Not documented | Yes | Not documented |
| Free trial | Yes | Not documented | Yes |
| Platforms | Web, iOS, Android, Mac, Windows | Web, iOS, Android, Mac, Windows | Web, iOS, Android, Mac, Windows |
| Team collaboration | Not documented | Not documented | Not documented |
| AI features | Yes | Yes | Not documented |
| Public API | Not documented | Not documented | Not documented |
Deepest free tier
Routine's Free plan is the most generous of the three, including an AI assistant, offline mode, 3 integrations, 3 custom databases, and 250 AI credits per month at no cost, while Akiflow and Sunsama offer only short free trials before requiring payment.
Routine, Akiflow, Sunsama
Notes as a first-class feature
Routine is the only one of the three built around a dedicated Notes space alongside tasks and calendar, positioning it against tools like Notion as much as against calendar apps.
Routine
Clearest team pricing ladder
Routine has the most explicit path for teams, with a $15/seat/month Business plan and a custom Enterprise tier, while Akiflow has no team pricing tier and Sunsama offers only a custom Enterprise plan with no mid-market team option.
Routine, Akiflow, Sunsama
Task aggregation from other tools
Akiflow's Universal Inbox pulls from Trello, Slack, and Gmail, and Sunsama pulls from Trello, Asana, Todoist, Slack, and Gmail; Routine's own integration count is capped by plan tier, from 3 on Free up to unlimited on Professional.
Akiflow, Sunsama, Routine
Platform coverage
Akiflow covers web, Windows, Mac, iOS, and Android; Routine covers macOS, Windows, web, and iOS, with Android support listed as in progress on its roadmap; Sunsama's specific platform list isn't detailed beyond its calendar integrations.
Akiflow, Routine, Sunsama
| Feature | Akiflow | Routine | Sunsama |
|---|---|---|---|
| Permanent free plan | Unavailable | Available | Unavailable |
| Dedicated team/per-seat pricing tier | Unavailable | Available | Limited |
| Feature | Akiflow | Routine | Sunsama |
|---|---|---|---|
| Time-blocking calendar | Available | Available | Available |
| Notes / documentation space | Unavailable | Available | Unavailable |
| Multi-tool task aggregation | Available | Limited | Available |
| Feature | Akiflow | Routine | Sunsama |
|---|---|---|---|
| AI assistant | Available | Available | Available |
| Feature | Akiflow | Routine | Sunsama |
|---|---|---|---|
| Android app | Available | Unavailable | Not documented |
Starting price reflects the lowest paid tier, not the full cost for every team size or usage level.
Pros
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Cons
Routine is the only one with a permanent free tier, including an AI assistant, notes, and calendar for $0; Akiflow and Sunsama only offer trials (7 and 14 days) before you must subscribe.
Routine is built around a dedicated Notes space alongside its calendar and tasks, competing directly with tools like Notion; neither Akiflow nor Sunsama includes a comparable notes feature.
Routine has the most explicit team pricing ladder, with a $15/seat/month Business plan and a custom Enterprise tier; Sunsama only offers a custom Enterprise plan with no mid-tier team option, and Akiflow has no team pricing at all.
Akiflow has a full native Android app; Routine lists Android support as in progress on its roadmap; Sunsama's platform coverage isn't detailed in its published data.
Routine's free plan includes 250 AI credits per month for its assistant; Akiflow and Sunsama both gate their AI features (Aki and AI planning suggestions, respectively) behind paid subscriptions with only short trials.
Routine's Personal plan starts at $5/month, well below Sunsama's $17/month and Akiflow's $19/month annual pricing, though Routine's cheaper tiers have lower AI credit and integration limits.
Read the full Akiflow review · Read the full Routine review · Read the full Sunsama review