# Open Vital vs Fair Interval Timer

The clearest difference is in-app purchases: Open Vital at none against Fair Interval Timer's 1. Open Vital also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.4). Fair Interval Timer's advantage is update cadence (every 5 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Fair Interval Timer sells 1 one-off in-app purchase. Open Vital asks for nothing beyond the download.

Open Vital ships an update every 2 months, Fair Interval Timer every 5 days. The most recent releases landed on September 12, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Open Vital | Fair Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 5 days** |
| Size | 56 MB | 57 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Codelio](https://appshunter.io/developer/1669284714) | [Leander Joshua Kilian](https://appshunter.io/developer/1895129854) |

## What reviewers say

### Open Vital

[App page](https://appshunter.io/ios/app/open-vital/id6760859181)

**In-app purchases:** none


### Fair Interval Timer

[App page](https://appshunter.io/ios/app/fair-interval-timer/id6776839879)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads Forever | $3.99 | one-time |


## Frequently asked questions

### Is Open Vital free?

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

### Is Fair Interval Timer free?

Fair Interval Timer is free to download, with in-app purchases available.

### Do Open Vital or Fair Interval Timer have ads?

Fair Interval Timer shows ads; Open Vital does not.

### Which is updated more often, Open Vital or Fair Interval Timer?

Open Vital ships an update every 2 months, and Fair Interval Timer every 5 days. Most recently, Open Vital was updated on September 12, 2026 and Fair Interval Timer on September 11, 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.*