# Smart Trainer app vs Reaction Workout Timer

The clearest difference is in-app purchases: Reaction Workout Timer at none against Smart Trainer app's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Smart Trainer app sells 1 one-off in-app purchase. Reaction Workout Timer asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 6, 2026 and July 1, 2026 respectively.

## The numbers

| Metric | Smart Trainer app | Reaction Workout Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 10 MB | 8 MB |
| Requires iOS | **17.6** | 18.2 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sandris Radzins](https://appshunter.io/developer/1821254962) | [Hitfire Production AB](https://appshunter.io/developer/1517601288) |

## What reviewers say

### Smart Trainer app

[App page](https://appshunter.io/ios/app/smart-trainer-app/id6747401793)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version Access | $3.99 | one-time |


### Reaction Workout Timer

[App page](https://appshunter.io/ios/app/reaction-workout-timer/id6755075522)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smart Trainer app free?

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

### Is Reaction Workout Timer free?

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

### Do Smart Trainer app or Reaction Workout Timer have ads?

Neither Smart Trainer app nor Reaction Workout Timer shows ads.

### Which is updated more often, Smart Trainer app or Reaction Workout Timer?

Smart Trainer app ships an update every 3 weeks, and Reaction Workout Timer every 3 weeks. Most recently, Smart Trainer app was updated on September 6, 2026 and Reaction Workout Timer on July 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.*