# TimedTrainer vs Interval Flow

The clearest difference is monetization model: TimedTrainer at free with in-app purchases against Interval Flow's subscription. TimedTrainer also leads on review sentiment (80% vs 48%) and iOS requirement (16.0 vs 18.6). Interval Flow's advantage is ads (none vs shown) and ratings volume (168 vs 22). On price, rating, update cadence and in-app purchases there is nothing between them.

Both are free to download. TimedTrainer sells 1 one-off in-app purchase 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 — 4.6 for TimedTrainer against 4.7 for Interval Flow. That said, the two scores are not equally well evidenced: Interval Flow has 168 ratings behind it against 22, so its average is the more settled of the two. Written reviews are what separate them: 80% of TimedTrainer's written reviews are positive against 48% of Interval Flow's.

TimedTrainer ships an update every 3 weeks, Interval Flow fortnightly. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | TimedTrainer | Interval Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (22 ratings)](https://appshunter.io/ios/app/timedtrainer-interval-timer/id662462651/reviews) | **[4.7 (168 ratings)](https://appshunter.io/ios/app/interval-flow-wod-timer/id6444124987/reviews)** |
| Number of ratings | 22 | **168** |
| Positive reviews | **80.0% of reviews** | 48.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 8 MB | 20 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KSI Technology, LLC](https://appshunter.io/developer/599217211) | [Bence Kaposzta](https://appshunter.io/developer/1650069302) |

## What reviewers say

### TimedTrainer

[App page](https://appshunter.io/ios/app/timedtrainer-interval-timer/id662462651)

This app provides a simple and flexible timer for various workout types, including HIIT, Crossfit, and Tabata. Easily create custom routines with intervals and rest periods, and receive notifications even when the app is locked or music is playing. Focus on your training without distractions.

**Highlights:** Customizable workout creation, Interval and rest period timers, Unlimited rounds and loops, Background operation, Simple and flexible interface, Workout notifications

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Banner | $0.99 | one-time |


### 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 |

**What reviewers like**

- 👍 Nicely designed with good features
- 👍 Unique and brilliantly for keeping fit
- 👍 Simplicity gets it done

**What reviewers complain about**

- 🐛 App crashes on launch
- 🐛 App doesn't remember interval settings
- 🐛 App rearranges workout order
- 🐛 Cannot see questionnaire properly
- 🐛 Robot voice with no visual instructions

**Reported bugs**

- Programs deleted after update
- App crashes when adding a program
- Show/Hide Instructions adds time to interval
- App defaults to unused workout
- Cannot permanently skip to end of timed activity

**Requested features**

- Increase repetitions to 20
- Streamline adding intervals
- Make it possible to hide unused workouts
- Add music integration or option
- Provide visual instructions for moves


## Frequently asked questions

### Is TimedTrainer free?

TimedTrainer 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, TimedTrainer or Interval Flow?

Interval Flow is rated higher. TimedTrainer averages 4.6 out of 5 from 22 ratings, while Interval Flow averages 4.7 from 168 ratings.

### Do TimedTrainer or Interval Flow have ads?

TimedTrainer shows ads; Interval Flow does not.

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

TimedTrainer ships an update every 3 weeks, and Interval Flow fortnightly. Most recently, TimedTrainer was updated on October 3, 2026 and Interval Flow on October 2, 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.*