# Ferro AI vs Interval Timer

The clearest difference is in-app purchases: Interval Timer at none against Ferro AI's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Ferro AI sells 2 in-app purchases, starting at $3.99 per month. Interval Timer asks for nothing beyond the download.

## The numbers

| Metric | Ferro AI | Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 73 MB | 1 MB |
| Requires iOS | 18.6 | **17.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 9+ | 4+ |
| Developer | [FRANCESCO SCURA](https://appshunter.io/developer/1881130560) | [Muhammad Aqib](https://appshunter.io/developer/1273916792) |

## What reviewers say

### Ferro AI

[App page](https://appshunter.io/ios/app/ferro-ai-timer-companion/id6759845484)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ferro Monthly | $3.99 | per month |
| Ferro Annual | $29.99 | per year |


### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-hiit-workout/id6790943427)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ferro AI free?

Ferro AI is free to download, with in-app purchases available.

### Is Interval Timer free?

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

### Do Ferro AI or Interval Timer have ads?

Neither Ferro AI nor Interval Timer shows ads.

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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.*