# Best Interval Timer vs Interval Flow

Best Interval Timer and Interval Flow both sit at 4.6 stars, but that hides the real split: 89% of Best Interval Timer's written reviews are positive against 48% of Interval Flow's. Best Interval Timer also leads on in-app purchases (none vs 10) and iOS requirement (16.0 vs 18.6). Interval Flow's advantage is ads (none vs shown) and update cadence (fortnightly vs every 12 months). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. Interval Flow sells 10 in-app purchases, starting at $4.99 per 3 months. Best Interval Timer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Best Interval Timer against 4.7 for Interval Flow. Both are backed by a comparable volume of ratings — 81 and 168 respectively. Written reviews are what separate them: 89% of Best Interval Timer's written reviews are positive against 48% of Interval Flow's.

Best Interval Timer ships an update every 12 months, Interval Flow fortnightly. The most recent releases landed on September 18, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | Best Interval Timer | Interval Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (81 ratings)](https://appshunter.io/ios/app/best-interval-timer/id547542742/reviews) | **[4.7 (168 ratings)](https://appshunter.io/ios/app/interval-flow-wod-timer/id6444124987/reviews)** |
| Number of ratings | 81 | **168** |
| Positive reviews | **89.3% of reviews** | 48.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Fortnightly** |
| Monetization | **Ad-supported** | Subscription |
| Size | 19 MB | 20 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [倩 赵](https://appshunter.io/developer/376557917) | [Bence Kaposzta](https://appshunter.io/developer/1650069302) |

## What reviewers say

### Best Interval Timer

[App page](https://appshunter.io/ios/app/best-interval-timer/id547542742)

This app acts as your personal coach, guiding you through workouts with customizable routines. Focus on your exercise while it manages timing for warm-up, high/low intensity intervals, cool-downs, and rest periods.

**Highlights:** Customizable workout routines, Warm-up, intensity, cool-down, rest periods, Background and multitasking support, Adjustable interval sounds and vibrations, Workout practice tracking, Landscape and portrait orientation

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 👍 Simple and functional
- 👍 Free
- 👍 Customizable intervals
- 👍 Works in background

**What reviewers complain about**

- 🐛 Too many ads
- 🐛 Limited programmable routines (free version)
- 🐛 Ads block screen in landscape
- 🐛 Small numbers hard to read
- 🐛 Side view unusable

**Reported bugs**

- App stops working after rating notification
- Buttons don't work after rating notification
- Crashes when saving timers
- Crashes when editing exercises
- Freezes and stops working

**Requested features**

- Ability to save multiple intervals/routines
- Voice cues for start/stop
- Apple Watch compatibility
- Larger buttons and text
- Option to save different schedules (e.g., Tabata)


### Interval Flow

[App page](https://appshunter.io/ios/app/interval-flow-wod-timer/id6444124987)

This app revolutionizes fitness routines with deep customization and advanced tracking for various activities like HIIT, Yoga, and CrossFit. It allows users to create, share, and follow personalized workouts with features like color-coded intervals, real-time progress tracking, and voice assistance.

**Highlights:** Color-coded intervals, Customizable circuits, Real-time progress tracking, Voice assist and search, Exercise library, Workout sharing

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Month | $4.99 | per 3 months |
| 1 Month | $9.99 | per month |
| 1 Month, 3 day trial | $9.99 | per month |
| Annual | $14.99 | per year |
| 1 Year discounted | $25.95 | per year |
| 1 Year, 3 day trial | $39.99 | per year |
| 1 Year | $39.99 | per year |
| 1 Year Intro month | $39.99 | per year |
| Free Lifetime subscription | Free | one-time |
| Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is Best Interval Timer free?

Best Interval Timer is free to download, with no in-app purchases.

### Is Interval Flow free?

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

### Which has better reviews, Best Interval Timer or Interval Flow?

Interval Flow is rated higher. Best Interval Timer averages 4.6 out of 5 from 81 ratings, while Interval Flow averages 4.7 from 168 ratings.

### Do Best Interval Timer or Interval Flow have ads?

Best Interval Timer shows ads; Interval Flow does not.

### Which is updated more often, Best Interval Timer or Interval Flow?

Best Interval Timer ships an update every 12 months, and Interval Flow fortnightly. Most recently, Best Interval Timer was updated on September 18, 2026 and Interval Flow on September 5, 2026.

---

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