# Flappy Board vs Grim Reader

The clearest difference is in-app purchases: Grim Reader at none against Flappy Board's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Flappy Board sells 1 one-off in-app purchase. Grim Reader asks for nothing beyond the download.

Flappy Board ships an update weekly, Grim Reader every 2 weeks. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Flappy Board | Grim Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/grim-reader/id6782366876/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | — | Free |
| Size | 11 MB | 16 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [General Futurics LLC](https://appshunter.io/developer/560612440) | [Maarten de Kreij](https://appshunter.io/developer/6774006735) |

## What reviewers say

### Flappy Board

[App page](https://appshunter.io/ios/app/flappy-board-split-flap-board/id6762232395)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Amateur | $5.99 | one-time |


### Grim Reader

[App page](https://appshunter.io/ios/app/grim-reader/id6782366876)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Flappy Board free?

Flappy Board is free to download, with in-app purchases available.

### Is Grim Reader free?

Grim Reader is free to download, with no in-app purchases.

### Do Flappy Board or Grim Reader have ads?

Neither Flappy Board nor Grim Reader shows ads.

### Which is updated more often, Flappy Board or Grim Reader?

Flappy Board ships an update weekly, and Grim Reader every 2 weeks. Most recently, Flappy Board was updated on October 6, 2026 and Grim Reader on October 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*