# P51 vs Voice Reader

The clearest difference is in-app purchases: P51 at none against Voice Reader's 3. P51 also leads on ads (none vs shown) and iOS requirement (11.0 vs 18.0). Voice Reader's advantage is update cadence (every 6 days vs every 2 weeks). On price and device support there is nothing between them.

Both are free to download. Voice Reader sells 3 one-off in-app purchases. P51 asks for nothing beyond the download.

P51 ships an update every 2 weeks, Voice Reader every 6 days. The most recent releases landed on October 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | P51 | Voice Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Size | 45 MB | 11 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [SPOTTERON Gmbh](https://appshunter.io/developer/1378099707) | [Toshiki Shibata](https://appshunter.io/developer/1574698264) |

## What reviewers say

### P51

[App page](https://appshunter.io/ios/app/p51/id6523432516)

**Features:** macOS Compatibility

**In-app purchases:** none


### Voice Reader

[App page](https://appshunter.io/ios/app/voice-reader-yomi/id6742394396)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quick Support | $0.99 | one-time |
| Supportive Tip | $2.99 | one-time |
| Generous Tip | $5.99 | one-time |


## Frequently asked questions

### Is P51 free?

P51 is free to download, with no in-app purchases.

### Is Voice Reader free?

Voice Reader is free to download, with in-app purchases available.

### Do P51 or Voice Reader have ads?

Voice Reader shows ads; P51 does not.

### Which is updated more often, P51 or Voice Reader?

P51 ships an update every 2 weeks, and Voice Reader every 6 days. Most recently, P51 was updated on October 3, 2026 and Voice Reader on October 25, 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.*