# Interval Timer vs Interval Flow

The clearest difference is monetization model: Interval Timer at free with in-app purchases against Interval Flow's subscription. Interval Timer also leads on review sentiment (77% vs 48%) and ratings volume (534 vs 168). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Interval Timer sells 4 in-app purchases, starting at $1.99 per month and Interval Flow sells 10 in-app purchases, starting at $4.99 per 3 months. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Interval Timer against 4.7 for Interval Flow. Both are backed by a comparable volume of ratings — 534 and 168 respectively. Written reviews are what separate them: 77% of Interval Timer's written reviews are positive against 48% of Interval Flow's.

Interval Timer ships an update every 4 weeks, Interval Flow fortnightly. The most recent releases landed on September 17, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | Interval Timer | Interval Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (534 ratings)](https://appshunter.io/ios/app/interval-timer-bit-timer/id505848680/reviews)** | [4.7 (168 ratings)](https://appshunter.io/ios/app/interval-flow-wod-timer/id6444124987/reviews) |
| Number of ratings | **534** | 168 |
| Positive reviews | **76.8% of reviews** | 48.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Fortnightly** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 15 MB | 20 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Peiter Buick](https://appshunter.io/developer/505848683) | [Bence Kaposzta](https://appshunter.io/developer/1650069302) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-bit-timer/id505848680)

This app provides a simple and intuitive interval timer for workouts like HIIT, EMOM, and CrossFit. It features quick setup, guiding tones and colors, and background functionality to keep you focused on your training.

**Highlights:** Instant interval setup, Guiding tones and colors, HealthKit integration, Background functionality, Save and sync favorite timers, Preparation countdown, Pause and resume workouts

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bit Timer Pro | $1.99 | per month |
| Bit Timer Pro | $4.99 | per year |
| Bit Timer Pro | $9.99 | per year |
| Bit Timer Pro Lifetime | $17.99 | one-time |

**What reviewers like**

- 🚀 Simple and easy to use
- 👍 Elegant and intuitive design
- ✨ Effective for interval training
- 💯 Works great for the basics

**What reviewers complain about**

- 🔒 Paid app now requires subscription
- 💰 Asking users to pay again after initial purchase
- 🔇 Audio cues too quiet
- ⏱️ Limited to 4 minutes of work time

**Reported bugs**

- Timer continues counting down even after app is closed
- Issues with music volume reduction while app is in use

**Requested features**

- Ability to save and load custom workout routines
- Option to increase work interval duration beyond 4 minutes
- Apple Watch app integration
- More sound effect options


### 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 Interval Timer free?

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

### Is Interval Flow free?

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

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

Interval Timer is rated higher. Interval Timer averages 4.7 out of 5 from 534 ratings, while Interval Flow averages 4.7 from 168 ratings.

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

Neither Interval Timer nor Interval Flow shows ads.

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

Interval Timer ships an update every 4 weeks, and Interval Flow fortnightly. Most recently, Interval Timer was updated on September 17, 2026 and Interval Flow on September 5, 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.*