Sunsama vs Erre
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sunsama
This mobile app complements a desktop planner, allowing quick task additions and scheduling on the go. Review your daily plan and stay focused on your workload, synced with your calendar events.
- Quick task addition
- Schedule tasks on calendar
- Review daily plan
- Syncs with Google Calendar
- Syncs with Outlook Calendar
- Companion to desktop app
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*Companion app to the desktop app* You can use the Sunsama mobile app once you've planned your first day from the Sunsama desktop app. This mobile app is built as a companion to the desktop app to help you stay in sync when you're away from your desk, not as a standalone replacement. *Add tasks quickly* When a new tasks comes up and you're not at your desk, quickly add it to your task list. You can schedule it onto your calendar and move it to the right spot on your list to work on it later. *Stay true to your plan* Review what you planned for the day. Create a calm, focused space to stay on top of your workload. *Synced with your calendar* Browse both your tasks and calendar events each day. Synced with Google Calendar and Outlook Calendar.
Erre
Organize your tasks by project rather than by due date. This app keeps all your to-dos within their respective projects, making them easy to manage and navigate on a single screen. Archive completed projects and customize the look with accent colors and densities.
- Organize tasks by project
- Drag and drop reordering
- Swipe to delete tasks
- Project status labels
- Project archiving
- Customizable accent colors and density
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Erre is a to-do list built around projects instead of dates. Most task apps ask when something is due. Erre asks what it belongs to. Your to-dos live inside a project; that could be a shoot you are editing, a room you are cleaning, a trip you are getting ready for. Everything is accessible on one screen and extremely easy to navigate. WHAT IT DOES • Create, rename, reorder, and archive projects easily. The one you are working on fills the screen. • Drag to reorder. Swipe to delete. Tap to tick. • Completed to-dos sink to the bottom, struck through, and can be hidden entirely. • The line above each project name writes itself; "new", then "in progress", then "completed" as the work moves. Type your own label instead and Erre leaves it alone. • An archive for the projects you have finished, and a restore button for the ones you had not. • Four accent colors and two densities. ON IPAD AND IPHONE DUO On an iPad, or an iPhone Duo opened flat, Erre becomes a notebook laid open: a contents page of every project on the left, and the one you are working on facing it. On the closed Duo, the side column takes your accent color and holds the tools: add, projects, completed, and settings. Your list fills the rest of the screen. WHAT IT DOES NOT DO No account. No sign-in. No notifications, no streaks, no nagging, nothing to subscribe to. It also does not talk to the internet. There is no networking in the app at all — your projects and to-dos are written to a single file on your iPhone and they stay there. Nothing is collected, nothing is measured, nothing is sent anywhere. HOW IT LOOKS Erre is set in the manner of a printed field notebook: warm paper, a double rule under the header, monospaced small caps for the labels, and a serif where it counts. It is meant to look like something you would write in, not a dashboard.
Screenshots
Verdict
The clearest difference is review sentiment: Erre at 100% against Sunsama's 50%. Erre also leads on rating (5.0 vs 4.5) and update cadence (every 4 days vs every 2 weeks). Sunsama's advantage is ratings volume (517 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Erre holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Sunsama has 517 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of Sunsama's written reviews are positive against 100% of Erre's.
Sunsama ships an update every 2 weeks, Erre every 4 days. The most recent releases landed on October 29, 2026 and October 21, 2026 respectively.
| Parameter | Sunsama | Erre |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (517 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 517 — better | 1 |
| Update frequency | Every 2 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 80 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | SUMMAY, Inc. | KYLE SHERIDAN |
Customer experience
Sunsama
Erre
Bugs and requests
Sunsama
Reported bugs
4 issues- App crashes on launch
- Tasks disappearing or not syncing properly
- Login issues with Google and other accounts
- Unreliable mobile app performance
Requested features
5 requests- Improved mobile app with more features
- Widgets and lock screen integration
- Better task management and rescheduling options
- AI-powered task scheduling and planning
- Integration with more third-party apps
Erre
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Sunsama
No in-app purchases
Erre
No in-app purchases









