# Interval Timer vs Flextimer

The clearest difference is rating: Flextimer at 5.0 against Interval Timer's 4.5. Flextimer also leads on in-app purchases (none vs 8) and ads (none vs shown). Interval Timer's advantage is ratings volume (19K vs 2) and iOS requirement (13.0 vs 15.1). On price, update cadence and device support there is nothing between them.

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

Flextimer holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Interval Timer has 19K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 73% of Interval Timer's written reviews are positive against 100% of Flextimer's.

Both ship on a similar rhythm, roughly every 9 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Interval Timer | Flextimer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (19K ratings)](https://appshunter.io/ios/app/interval-timer-tabata-timer/id406473568/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/flextimer-design-your-time/id6763629801/reviews)** |
| Number of ratings | **19K** | 2 |
| Positive reviews | 72.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | Every 9 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 143 MB | 56 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NEO PIXEL LABS PTE. LTD.](https://appshunter.io/developer/1788472183) | [SOPHOMATH LLC](https://appshunter.io/developer/1827142250) |

## 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


### Flextimer

[App page](https://appshunter.io/ios/app/flextimer-design-your-time/id6763629801)

Create custom interval timers for workouts, focus sessions, or daily routines. Design sessions step-by-step or use AI to generate them from plain text descriptions. Includes cues for sounds, vibration, and color changes.

**Highlights:** AI-generated timer creation from text, Customizable interval and round timers, Step cues for sound, vibration, and color, Timer Summary with detailed progress, Configurable run-screen controls, Saved custom timers and starting points

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

**In-app purchases:** none


## Frequently asked questions

### Is Interval Timer free?

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

### Is Flextimer free?

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

### Which has better reviews, Interval Timer or Flextimer?

Flextimer is rated higher. Interval Timer averages 4.5 out of 5 from 19K ratings, while Flextimer averages 5.0 from 2 ratings.

### Do Interval Timer or Flextimer have ads?

Interval Timer shows ads; Flextimer does not.

### Which is updated more often, Interval Timer or Flextimer?

Interval Timer ships an update every 9 days, and Flextimer every 9 days. Most recently, Interval Timer was updated on November 8, 2026 and Flextimer on October 31, 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.*