Zero by Otto vs TasteShelf
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Zero by Otto
This task management app offers a minimalist approach to productivity. Unfinished tasks automatically roll over to the next day, ensuring nothing gets lost. Organize tasks into projects, create reusable lists, and collaborate with others.
- Automatic task rollover
- Today view
- Drag and drop rescheduling
- Project organization
- Shared projects for collaboration
- Reusable checklists
- Desktop widget
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Zero - task management made simple. Zero takes a minimalist approach to getting things done. Tasks automatically roll over to the next day when incomplete, so nothing gets lost while keeping your focus on today. Key Features: Automatic Rollover – Unfinished tasks move to tomorrow, no manual rescheduling needed Today View – See what needs to be done today in one clean view Drag & Drop – Reschedule tasks between days with simple gestures Projects – Organize related tasks together Shared Projects – Collaborate with others by inviting them via email Lists – Create reusable checklists for routines and recurring workflows Favorites – Star important tasks to highlight them Desktop Widget (macOS) – Keep today's tasks visible on your desktop Minimal Design – Clean interface without unnecessary features Sync – Works seamlessly across iPhone, iPad, and Mac Dark Mode – Comfortable viewing any time of day Zero helps you stay organized without the complexity of traditional task managers. Tasks flow naturally from day to day, projects keep work organized, and lists handle your recurring needs.
TasteShelf
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TasteShelf is a personal taste archive for collecting the things you love by category. Save cafes you want to revisit, exhibitions you remember, perfume and whisky notes, wishlists, long-life objects, and small discoveries that say something about you. Create shelves for every interest Start quickly with templates for perfume, whisky, LP bars, exhibitions, cafes, and stationery, or create a custom shelf for anything you want to collect. Design each shelf your way Add the fields that fit each category: text, memo, number, date, tags, ratings, location, URL, photos, and more. Remember with photos and places Add cover images and save locations so each item stays easy to recognize later. See your taste at a glance Your profile summarizes shelves, items, tags, photo records, favorite categories, and average ratings, helping you notice patterns in what you like. Private by default Your data is stored locally on your device. You can export a backup and import it again whenever you need to restore your shelves.
Screenshots
Verdict
Zero by Otto and TasteShelf are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
| Parameter | Zero by Otto | TasteShelf |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, Mac — better | iPhone, iPod |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 13 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Ludus-Language, Inc. | Jung Tae Park |
In-app purchases
Zero by Otto
No in-app purchases
TasteShelf
No in-app purchases








