# Clebex vs Sandbook

The clearest difference is update cadence: Sandbook at every 5 days against Clebex's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

Clebex ships an update every 6 weeks, Sandbook every 5 days. Both last shipped on November 8, 2026.

## The numbers

| Metric | Clebex | Sandbook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (188 ratings)](https://appshunter.io/ios/app/sandbook-natural-voice-reader/id6745732885/reviews)** |
| Number of ratings | — | **188** |
| Positive reviews | — | 83.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Monetization | — | Free |
| Size | 5 MB | 139 MB |
| Requires iOS | **17.6** | 18.2 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Clebex LLC](https://appshunter.io/developer/1593641243) | [SmashMelon LLC](https://appshunter.io/developer/1895995887) |

## What reviewers say

### Clebex

[App page](https://appshunter.io/ios/app/clebex/id6504947554)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sandbook

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

This app reads your documents, web pages, and scanned text aloud using natural-sounding voices that run locally on your device. Enjoy offline listening, customizable playback speed, and features like bookmarking and text export. It's designed for private, uninterrupted listening on the go.

**Highlights:** Reads EPUB, PDF, Word, TXT, RTF, Markdown, HTML, Listens to web pages and scanned documents, 41 natural voices included, running locally, Adjustable playback speed (0.5x to 2.5x), Offline listening and no account required, CarPlay and Home Screen widget support, Bookmark and export passages

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Clebex free?

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

### Is Sandbook free?

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

### Do Clebex or Sandbook have ads?

Neither Clebex nor Sandbook shows ads.

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

Clebex ships an update every 6 weeks, and Sandbook every 5 days. Most recently, Clebex was updated on November 8, 2026 and Sandbook on November 8, 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.*