# Workout Interval Timer vs RX

The clearest difference is in-app purchases: RX at none against Workout Interval Timer's 3. RX also leads on update cadence (every 3 weeks vs every 4 months). Workout Interval Timer's advantage is iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Workout Interval Timer sells 3 in-app purchases, starting at $1.99 per month. RX asks for nothing beyond the download.

Workout Interval Timer ships an update every 4 months, RX every 3 weeks. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Workout Interval Timer | RX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rx-timer-wod-timer/id6783471287/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 30 MB | 4 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Joaquin Arino](https://appshunter.io/developer/1781911667) | [Daniel Thrnaholm](https://appshunter.io/developer/6783471289) |

## What reviewers say

### Workout Interval Timer

[App page](https://appshunter.io/ios/app/workout-interval-timer-peak/id6738699642)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Subscription | $1.99 | per month |
| Anual Premium Subscription | $9.90 | per year |
| Lifetime Premium | $29.99 | one-time |


### RX

[App page](https://appshunter.io/ios/app/rx-timer-wod-timer/id6783471287)

This app provides a versatile workout timer designed for functional fitness. It supports various training formats like AMRAP, EMOM, and Tabata with customizable durations and clear visual cues. The app offers offline functionality, a high-contrast display, and the ability to stream to external screens.

**Highlights:** Multiple workout formats (AMRAP, EMOM, Tabata, RFT), Customizable work/rest intervals, Large, high-contrast display, Landscape full-screen mode, Work/rest color coding, Stream timer to TV via AirPlay, Offline functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is Workout Interval Timer free?

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

### Is RX free?

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

### Do Workout Interval Timer or RX have ads?

Neither Workout Interval Timer nor RX shows ads.

### Which is updated more often, Workout Interval Timer or RX?

Workout Interval Timer ships an update every 4 months, and RX every 3 weeks. Most recently, Workout Interval Timer was updated on November 8, 2026 and RX on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*