# FRM72 vs Sandbook

The clearest difference is iOS requirement: FRM72 at 10.2 against Sandbook's 18.2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

FRM72 ships an update every 4 days, Sandbook weekly. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | FRM72 | Sandbook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (148 ratings)](https://appshunter.io/ios/app/sandbook-natural-voice-reader/id6745732885/reviews)** |
| Number of ratings | — | **148** |
| Positive reviews | — | 80.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | — | Free |
| Size | 2 MB | 126 MB |
| Requires iOS | **10.2** | 18.2 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | +4 |
| Developer | [MERCATOR PTY LTD](https://appshunter.io/developer/1367304312) | [SmashMelon LLC](https://appshunter.io/developer/1895995887) |

## What reviewers say

### FRM72

[App page](https://appshunter.io/ios/app/frm72/id1367304313)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sandbook

[App page](https://appshunter.io/ios/app/sandbook-natural-voice-reader/id6745732885)

This app reads books, documents, and articles aloud using natural-sounding voices. It offers offline functionality, supports various file formats, and allows customization of reading speed and appearance. Save web pages and printed text for later listening.

**Highlights:** Natural offline voices, Supports EPUB, PDF, DOCX, TXT, and more, Save web pages for later, Adjustable reading speed, Highlighting of spoken words, CarPlay integration, Export audio files

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FRM72 free?

FRM72 is free to download, with no in-app purchases.

### Is Sandbook free?

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

### Do FRM72 or Sandbook have ads?

Neither FRM72 nor Sandbook shows ads.

### Which is updated more often, FRM72 or Sandbook?

FRM72 ships an update every 4 days, and Sandbook weekly. Most recently, FRM72 was updated on October 26, 2026 and Sandbook on October 30, 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.*