# Amplitude Docs vs VocalPhone 10

The clearest difference is update cadence: VocalPhone 10 at fortnightly against Amplitude Docs's every 2 months. 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.

Amplitude Docs ships an update every 2 months, VocalPhone 10 fortnightly. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Amplitude Docs | VocalPhone 10 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 32 MB | 73 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AMPLITUDE SAS](https://appshunter.io/developer/1135446138) | [Gerard Canadas](https://appshunter.io/developer/694564681) |

## What reviewers say

### Amplitude Docs

[App page](https://appshunter.io/ios/app/amplitude-docs/id1619266247)

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

**In-app purchases:** none


### VocalPhone 10

[App page](https://appshunter.io/ios/app/vocalphone-10/id6744700256)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Amplitude Docs free?

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

### Is VocalPhone 10 free?

VocalPhone 10 is free to download, with no in-app purchases.

### Do Amplitude Docs or VocalPhone 10 have ads?

Neither Amplitude Docs nor VocalPhone 10 shows ads.

### Which is updated more often, Amplitude Docs or VocalPhone 10?

Amplitude Docs ships an update every 2 months, and VocalPhone 10 fortnightly. Most recently, Amplitude Docs was updated on October 10, 2026 and VocalPhone 10 on October 9, 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.*