# Interval Timer vs Fitzen for Trainers

The clearest difference is in-app purchases: Fitzen for Trainers at none against Interval Timer's 8. Fitzen for Trainers also leads on ads (none vs shown). Interval Timer's advantage is update cadence (every 9 days vs every 2 months) and device support (4 vs 1). On price there is nothing between them.

Both are free to download. Interval Timer sells 6 in-app purchases, starting at $0.99 per month. Fitzen for Trainers asks for nothing beyond the download.

Interval Timer ships an update every 9 days, Fitzen for Trainers every 2 months. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Interval Timer | Fitzen for Trainers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (19K ratings)](https://appshunter.io/ios/app/interval-timer-tabata-timer/id406473568/reviews)** | — |
| Number of ratings | **19K** | — |
| Positive reviews | 72.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 143 MB | 24 MB |
| Requires iOS | **13.0** | 17.2 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [NEO PIXEL LABS PTE. LTD.](https://appshunter.io/developer/1788472183) | [Softek Solutions Private Limited](https://appshunter.io/developer/1577135428) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-tabata-timer/id406473568)

This app helps you manage workout intervals with customizable work and rest periods. It runs in the background and allows music playback, with options to save settings and share progress. Integrates with Apple Health for heart rate monitoring.

**Highlights:** Customizable sets, intervals, and rest times, Runs in background and with screen locked, Music playlist integration, Save settings as templates, Apple Health integration for heart rate, Post workouts to social media

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus - 1 Month | $0.99 | per month |
| Premium - 1 Month | $1.99 | per month |
| Plus - 1 Month | $1.99 | per month |
| Premium - 1 Month | $2.99 | per month |
| Plus - 1 Year | $4.99 | per year |
| Premium - 1 Year | $9.99 | per year |

**What reviewers like**

- 🚀 Free version works well
- 👍 Customizable intervals and timers
- 👍 Flexible for different workouts
- 👍 Easy to use and set up
- 👍 Provides visual and audio cues

**What reviewers complain about**

- 🐛 Timer issues (stops, loses time)
- 🔋 Drains battery when used
- 💰 Expensive subscription model
- 📢 Intrusive ads
- 🔒 Incompatible with other apps

**Reported bugs**

- Ads block functionality
- App freezes or crashes
- Timer doesn't work in background

**Requested features**

- Add notes to workouts
- Provide workout history and analytics
- Allow syncing with Apple Health
- Improve Apple Watch integration
- Add more customization options


### Fitzen for Trainers

[App page](https://appshunter.io/ios/app/fitzen-for-trainers/id6451379061)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Interval Timer free?

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

### Is Fitzen for Trainers free?

Fitzen for Trainers is free to download, with no in-app purchases.

### Do Interval Timer or Fitzen for Trainers have ads?

Interval Timer shows ads; Fitzen for Trainers does not.

### Which is updated more often, Interval Timer or Fitzen for Trainers?

Interval Timer ships an update every 9 days, and Fitzen for Trainers every 2 months. Most recently, Interval Timer was updated on October 15, 2026 and Fitzen for Trainers on October 9, 2026.

---

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