# Exercise vs Surge

The clearest difference is price: Exercise at Free against Surge's $1.99. Exercise also leads on update cadence (every 4 days vs every 2 weeks) and iOS requirement (14.0 vs 18.6). On ads, in-app purchases and device support there is nothing between them.

Exercise is free to download; Surge costs $1.99 up front. Exercise sells 3 in-app purchases, starting at $6.99 per 7 days and Surge sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Exercise ships an update every 4 days, Surge every 2 weeks. The most recent releases landed on October 20, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Exercise | Surge |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/surge-interval-timer-and-hiit/id6762224044/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Monetization | — | Paid |
| Size | 68 MB | 1 MB |
| Requires iOS | **14.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RICKHIL PUNEET PRAKASH](https://appshunter.io/developer/1810186230) | [Matthew Avery](https://appshunter.io/developer/1893424317) |

## What reviewers say

### Exercise

[App page](https://appshunter.io/ios/app/exercise-ai-workout-tracker/id6751745296)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly AI Workout Pro | $6.99 | per 7 days |
| Monthly AI Workout Pro | $19.99 | per month |
| Yearly AI Workout Pro | $49.99 | per year |


### Surge

[App page](https://appshunter.io/ios/app/surge-interval-timer-and-hiit/id6762224044)

This interval timer app supports various workout styles like HIIT, Tabata, and boxing rounds. It offers customizable work/rest periods, round counts, and presets, with clear audio and haptic cues to guide your training without needing to watch the clock.

**Highlights:** Customizable work and rest periods, Adjustable round counts, Pre-set workout modes (HIIT, Tabata, Boxing), Audio and haptic cues, Save custom workout presets, Glanceable countdown timer

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Surge Pro | $0.99 | one-time |


## Frequently asked questions

### Is Exercise free?

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

### Is Surge free?

Surge costs $1.99, and also offers in-app purchases.

### Do Exercise or Surge have ads?

Neither Exercise nor Surge shows ads.

### Which is updated more often, Exercise or Surge?

Exercise ships an update every 4 days, and Surge every 2 weeks. Most recently, Exercise was updated on October 20, 2026 and Surge on October 12, 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.*