# Sandbook vs PlanScale

The clearest difference is update cadence: PlanScale at daily against Sandbook's weekly. PlanScale also leads on iOS requirement (15.1 vs 18.2). 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.

Sandbook ships an update weekly, PlanScale daily. The most recent releases landed on October 21, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Sandbook | PlanScale |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (107 ratings)](https://appshunter.io/ios/app/sandbook-natural-voice-reader/id6745732885/reviews)** | — |
| Number of ratings | **107** | — |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | Free | — |
| Size | 271 MB | 63 MB |
| Requires iOS | 18.2 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SmashMelon LLC](https://appshunter.io/developer/1895995887) | [Aries Paul Zeta](https://appshunter.io/developer/1884733680) |

## What reviewers say

### Sandbook

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

This app converts text into natural-sounding speech using an on-device model. Read ePub, PDF, and TXT files, type or paste text, or even read webpages aloud. Export audio files for offline listening with complete privacy.

**Highlights:** On-device text-to-speech, Reads ePub, PDF, TXT files, Type or paste text, Read webpages aloud, Export audio files, Privacy protection

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

**In-app purchases:** none


### PlanScale

[App page](https://appshunter.io/ios/app/planscale/id6760505480)

**In-app purchases:** none


## Frequently asked questions

### Is Sandbook free?

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

### Is PlanScale free?

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

### Do Sandbook or PlanScale have ads?

Neither Sandbook nor PlanScale shows ads.

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

Sandbook ships an update weekly, and PlanScale daily. Most recently, Sandbook was updated on October 21, 2026 and PlanScale on October 3, 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.*