Don't Waste It vs Grim Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Don't Waste It
This minimalistic app helps you visualize the passage of time, encouraging you to spend it on what matters. It offers countdown and count-up modes with customizable themes and widgets for easy access. Designed for iPhone, iPad, and Apple Watch, it promotes mindful time management.
- Countdown and count-up modes
- Customizable color themes
- Multisize widgets
- Gesture protection
- Support for multiple screen orientations
- iPhone, iPad, and Apple Watch support
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This minimalistic application brings you a unique value - an ability to see the time you have and how fast it goes. You will realize that you can't reclaim the time you waste and that it is not an endless thing. Understanding it together with a simple visualization will give you a spark to spend your time on something you love, need, and care about. Time is the most valuable thing you have - Don't Waste It. Features: + Multiple application modes: Birthday (count up) and Deadline (count down) + Selection autosave per application mode + Different color themes are selected based on your system preferences + Multisize widgets for easier access and reminders + Gesture protection from unexpected screen touch and interruptions + Support of different screen orientations: portrait and landscape + Multiple devices support: iPhone, iPad, and Apple Watch + Usage independence with different modes + Simple and minimalistic design
Grim Reader
Organize and enrich your personal library of e-books, comics, and audiobooks. This app allows you to manage your collection locally or via your own servers, adding details like covers and author information. Enjoy a seamless reading and listening experience across all your content.
- Library management for e-books, comics, and audiobooks
- Enrich library with online book and author data
- Supports local files and personal servers (WebDAV, OPDS)
- Cross-device reading and listening progress tracking
- Organize by author, series, and genre
- Mark favorites
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Your books. Your library. Your way. Privacy By Design. Made in the EU. Grim Reader is a modern reader and library manager for e-books, comics and audiobooks. Keep your collection on your device, connect to your own servers, and turn even a simple collection of files into a rich, beautifully organised library. A library that feels alive Browse your collection by books, authors, series and more. See covers, reading progress and detailed information at a glance, continue where you left off, mark favourites and quickly find what you want to read next. Grim Reader is designed for both iPhone and iPad, with an interface that adapts to the device you are using. Enrich your books Missing a cover, description or other information? Grim Reader can help enrich your library using online book and author sources. Depending on the available information, Grim Reader can help you find and add details such as: • Covers and book descriptions • Authors and author information • Series information • Publisher and publication details • ISBN and other identifiers • Genres, categories and tags • Additional book metadata You remain in control and can review and edit your library information. More than e-books Grim Reader brings different types of reading together in one library: • Read e-books • Browse and read comics • Listen to audiobooks • Keep track of reading progress • Continue reading or listening across your library • Organise books by author and series • Mark books and authors as favourites Your files, your servers You don’t need to hand your library over to a commercial book platform. Grim Reader can work with books stored locally and supports personal libraries through WebDAV and OPDS, as well as the optional Grimmory server. This makes Grim Reader equally useful for a small collection on your iPhone or iPad and for a large self-hosted library. Made for readers Grim Reader focuses on your books rather than a store. There are no books to sell you and no ecosystem you need to buy into. Build the library you want, enrich it, organise it and enjoy reading it. Grim Reader — your library belongs to you.
Screenshots
Verdict
The clearest difference is update cadence: Grim Reader at every 2 weeks against Don't Waste It's every 27 months. Grim Reader also leads on ratings volume (4 vs 1). Don't Waste It's advantage is iOS requirement (14.0 vs 17.0). On price, rating, ads and in-app purchases 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.
On the App Store both sit at effectively the same score — 5.0 for Don't Waste It against 5.0 for Grim Reader. Both are backed by a comparable volume of ratings — 1 and 4 respectively.
Don't Waste It ships an update every 27 months, Grim Reader every 2 weeks. Both last shipped on October 10, 2026.
| Parameter | Don't Waste It | Grim Reader |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (4 ratings) |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 27 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 4 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Max Ivashchenko | Maarten de Kreij |
Customer experience
Don't Waste It
Grim Reader
In-app purchases
Don't Waste It
No in-app purchases
Grim Reader
No in-app purchases
