# Interval Exercise Timer ™ vs Shake It Off

The clearest difference is in-app purchases: Shake It Off at none against Interval Exercise Timer ™'s 5. Shake It Off also leads on ads (none vs shown) and update cadence (daily vs monthly). Interval Exercise Timer ™'s advantage is ratings volume (20 vs 5). On price, review sentiment, device support and iOS requirement there is nothing between them.

Both are free to download. Interval Exercise Timer ™ sells 5 in-app purchases, starting at $0.99 per 7 days. Shake It Off asks for nothing beyond the download.

Shake It Off holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 20 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Interval Exercise Timer ™ ships an update monthly, Shake It Off daily. The most recent releases landed on September 19, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Interval Exercise Timer ™ | Shake It Off |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (20 ratings)](https://appshunter.io/ios/app/interval-exercise-timer/id6463520684/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/shake-it-off-move-it-up/id6739794202/reviews)** |
| Number of ratings | **20** | 5 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 14 MB | 5 MB |
| Requires iOS | **15.0** | 16 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andy Sutanto](https://appshunter.io/developer/1659282966) | [yousef mankoulah](https://appshunter.io/developer/1547323129) |

## What reviewers say

### Interval Exercise Timer ™

[App page](https://appshunter.io/ios/app/interval-exercise-timer/id6463520684)

Optimize your exercise routines with a customizable interval timer. Set precise 'Prepare,' 'Work,' and 'Rest' durations, and manage multiple sets and rounds for efficient workouts. Save your custom settings for easy access to consistent training.

**Highlights:** Customizable Prepare, Work, and Rest timers, Multi-round and set options, Real-time progress tracking, Save and load custom timer settings, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Workout Timer Pro | $0.99 | per 7 days |
| Workout Timer Pro | $1.49 | per month |
| Exercise Timer Pro | $6.99 | per 6 months |
| Tabata Timer Pro | $19.99 | per year |
| Interval Timer Pro | $39.99 | one-time |


### Shake It Off

[App page](https://appshunter.io/ios/app/shake-it-off-move-it-up/id6739794202)

This app transforms your fitness routine with humorous voice notifications and personalized step goals. It seamlessly integrates with your Health app to track progress and keep you motivated with unique, funny reminders, making exercise an enjoyable experience.

**Highlights:** Custom, funny voice notifications, Seamless Health app integration, Daily step goal setting, Gamified fitness experience, Minimal battery impact, Smart, engaging reminders

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Interval Exercise Timer ™ free?

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

### Is Shake It Off free?

Shake It Off is free to download, with no in-app purchases.

### Which has better reviews, Interval Exercise Timer ™ or Shake It Off?

Shake It Off is rated higher. Interval Exercise Timer ™ averages 4.7 out of 5 from 20 ratings, while Shake It Off averages 5.0 from 5 ratings.

### Do Interval Exercise Timer ™ or Shake It Off have ads?

Interval Exercise Timer ™ shows ads; Shake It Off does not.

### Which is updated more often, Interval Exercise Timer ™ or Shake It Off?

Interval Exercise Timer ™ ships an update monthly, and Shake It Off daily. Most recently, Interval Exercise Timer ™ was updated on September 19, 2026 and Shake It Off on September 29, 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.*