# Interval Flow vs Reformd

Interval Flow and Reformd both sit at 4.7 stars, but that hides the real split: 100% of Reformd's written reviews are positive against 48% of Interval Flow's. Reformd also leads on in-app purchases (none vs 10). Interval Flow's advantage is ratings volume (168 vs 5). On price, rating, update cadence and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.7 for Interval Flow against 4.8 for Reformd. That said, the two scores are not equally well evidenced: Interval Flow has 168 ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 48% of Interval Flow's written reviews are positive against 100% of Reformd's.

Interval Flow ships an update fortnightly, Reformd weekly. The most recent releases landed on September 5, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Interval Flow | Reformd |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (168 ratings)](https://appshunter.io/ios/app/interval-flow-wod-timer/id6444124987/reviews) | **[4.8 (5 ratings)](https://appshunter.io/ios/app/reformd-interval-timer/id6474781089/reviews)** |
| Number of ratings | **168** | 5 |
| Positive reviews | 48.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Subscription | **Free** |
| Size | 20 MB | 4 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bence Kaposzta](https://appshunter.io/developer/1650069302) | [Peter Misthos](https://appshunter.io/developer/1674224153) |

## What reviewers say

### 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 |


### Reformd

[App page](https://appshunter.io/ios/app/reformd-interval-timer/id6474781089)

This app helps fitness instructors manage their classes with custom workout builders, precise timers, and instruction cues. Share routines with colleagues and monitor progress with live activity integration.

**Highlights:** Custom workout builder, Professional timer interface, Movement instruction cues, Workout sharing, Live Activities integration, Instructor-focused design

**In-app purchases:** none


## Frequently asked questions

### Is Interval Flow free?

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

### Is Reformd free?

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

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

Reformd is rated higher. Interval Flow averages 4.7 out of 5 from 168 ratings, while Reformd averages 4.8 from 5 ratings.

### Do Interval Flow or Reformd have ads?

Neither Interval Flow nor Reformd shows ads.

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

Interval Flow ships an update fortnightly, and Reformd weekly. Most recently, Interval Flow was updated on September 5, 2026 and Reformd on September 10, 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.*