KuriShift vs Tsunagi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KuriShift
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Create recurring shifts and share schedules with your family—all in Kurishift. Kurishift is a shift calendar for early, late, and night shifts. Save your work patterns to create recurring shifts in one go. Share a calendar with family or your team so everyone can see schedule additions and changes. Color-code your own schedule for a clearer view. Kurishift also supports Google Calendar and iOS Calendar integration and notifications. From managing daily shifts to coordinating plans with family, Kurishift makes scheduling easier.
Tsunagi
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A todo app for keeping the "these belong together" in your head exactly where it is. In Tsunagi, todos aren't rows in a list. They are cards floating in a 3D space with real depth. Link related todos with glowing lines, and groups like travel, work, and home emerge like constellations. Orbit, zoom in, and pull back to see both the big picture and the connections at once. PLACE TODOS IN 3D SPACE - Drag with one finger to orbit, two fingers to move, pinch to zoom - Nearby todos appear as cards, distant ones as glowing dots, with natural depth blur - Drag a todo to move it around in space - Show Everything frames every todo on screen - Auto Arrange tidies a messy layout, cluster by cluster - Tap the minimap to jump to a distant area LINK RELATED TODOS - Long-press a todo and drag to another to link them - Release on empty space to add a new todo there, already linked - The selected todo's links light up while others dim - See linked todos as a list and as a small link map in the details SET AN ORDER AND SEE WHAT'S NEXT - Give a link a before/after order and the line shows an arrow - When the earlier todo is done, the next one is marked Up next - Todos still waiting on an earlier one are dimmed NEVER MISS A DUE DATE - Overdue, today, and soon-due todos are marked on their cards - Turn on reminders in Settings to get a notification at a set time on the due date LINK AS YOU ADD - When adding with +, the todo's spot appears in space as a dashed outline - Nearby or selected todos are suggested as links, so you can connect while adding CLUSTERS AND SPACES - Group todos into color-coded clusters (e.g. Travel, Work, Health, Home, Learning) - See each cluster's todo count and progress, and tap it to list its todos - List every todo in a space, grouped by cluster - Create separate spaces for different purposes and switch between them TODO ESSENTIALS - Completion, stars, due dates, notes, and subtasks - Search by keyword and jump to that todo in space - Undo right after deleting - Export a backup file and restore it, for example on a new iPhone - Hide completed todos or lines, and adjust depth blur and line glow On first launch, 24 sample todos show how links work. You can delete everything in Settings and build your own space from scratch. No account, ads, purchases, analytics, or tracking. Your todos and links are stored only on your iPhone and work without an internet connection. Privacy Policy: https://ko-ji-apps.com/en/tsunagi/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Tsunagi at none against KuriShift's 3. KuriShift's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price and ads 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. KuriShift sells 3 in-app purchases, starting at $0.49 per month. Tsunagi asks for nothing beyond the download.
| Parameter | KuriShift | Tsunagi |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 95 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | KANAROOM STUDIO | Koji Tamatsu |
In-app purchases
KuriShift
- Ad-Free$0.491 Month
- Premium (Monthly)7 Days trial$1.991 Month
- Premium (Yearly)7 Days trial$19.991 Year
Tsunagi
No in-app purchases









