# Interval Timer & Randomizer vs Felt

The clearest difference is in-app purchases: Interval Timer & Randomizer at none against Felt's 7. Felt's advantage is update cadence (every 4 days vs every 4 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Felt sells 7 in-app purchases, starting at $4.99 per 7 days. Interval Timer & Randomizer asks for nothing beyond the download.

Interval Timer & Randomizer ships an update every 4 weeks, Felt every 4 days. The most recent releases landed on September 18, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Interval Timer & Randomizer | Felt |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 4 days** |
| Size | 4 MB | 21 MB |
| Requires iOS | 18.2 | **18.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Hitfire Production AB](https://appshunter.io/developer/1517601288) | [Amirmahdi Fathi](https://appshunter.io/developer/1638616778) |

## What reviewers say

### Interval Timer & Randomizer

[App page](https://appshunter.io/ios/app/interval-timer-and-randomizer/id6742220783)

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

**In-app purchases:** none


### Felt

[App page](https://appshunter.io/ios/app/felt-mood-tracker-and-journal/id6765470187)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Felt Pro Weekly | $4.99 | per 7 days |
| Felt Pro Monthly | $9.99 | per month |
| Felt Pro Annual | $19.99 | per year |
| Felt Pro Annual | $39.99 | per year |
| Felt Pro Annual | $39.99 | per year |
| Felt Pro Annual | $39.99 | per year |
| Felt Pro Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Interval Timer & Randomizer free?

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

### Is Felt free?

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

### Do Interval Timer & Randomizer or Felt have ads?

Neither Interval Timer & Randomizer nor Felt shows ads.

### Which is updated more often, Interval Timer & Randomizer or Felt?

Interval Timer & Randomizer ships an update every 4 weeks, and Felt every 4 days. Most recently, Interval Timer & Randomizer was updated on September 18, 2026 and Felt on October 1, 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.*