# Gym Pro Timer vs Interval

The clearest difference is update cadence: Interval at weekly against Gym Pro Timer's every 3 weeks. Gym Pro Timer's advantage is iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Gym Pro Timer sells 3 one-off in-app purchases and Interval sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Gym Pro Timer ships an update every 3 weeks, Interval weekly. The most recent releases landed on September 17, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Gym Pro Timer | Interval |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 83 MB | 38 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Janssen Delos Santos](https://appshunter.io/developer/1693008168) | [OLEG KLIMAKOV](https://appshunter.io/developer/1702248098) |

## What reviewers say

### Gym Pro Timer

[App page](https://appshunter.io/ios/app/gym-pro-timer/id6450375162)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bronze | $0.99 | one-time |
| Silver | $3.99 | one-time |
| Gold | $7.99 | one-time |


### Interval

[App page](https://appshunter.io/ios/app/interval-hiit-and-tabata-timer/id6780563425)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Pro | $6.99 | one-time |


## Frequently asked questions

### Is Gym Pro Timer free?

Gym Pro Timer is free to download, with in-app purchases available.

### Is Interval free?

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

### Do Gym Pro Timer or Interval have ads?

Neither Gym Pro Timer nor Interval shows ads.

### Which is updated more often, Gym Pro Timer or Interval?

Gym Pro Timer ships an update every 3 weeks, and Interval weekly. Most recently, Gym Pro Timer was updated on September 17, 2026 and Interval 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.*