# RepSpeed vs KO Interval Timer

The clearest difference is device support: RepSpeed at 3 against KO Interval Timer's 1. RepSpeed also leads on iOS requirement (14.0 vs 16.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. RepSpeed sells 1 in-app purchase, starting at $0.99 per month and KO Interval Timer sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | RepSpeed | KO Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (17 ratings)](https://appshunter.io/ios/app/repspeed/id1584279988/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Freemium | — |
| Size | 56 MB | 74 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sreyas Rangaraju](https://appshunter.io/developer/1570083962) | [VAVIVA](https://appshunter.io/developer/6807737098) |

## What reviewers say

### RepSpeed

[App page](https://appshunter.io/ios/app/repspeed/id1584279988)

This app uses your phone's camera to analyze barbell lifts, providing detailed metrics like bar path, velocity, and power. Optimize your training, improve form, and get stronger faster with advanced analytics.

**Highlights:** Automatic barbell detection, Barbell path visualization, Velocity and power metrics, Video recording and upload, Repetition tracking, Workout notes

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RepSpeed Premium | $0.99 | per month |


### KO Interval Timer

[App page](https://appshunter.io/ios/app/ko-interval-timer/id6807770200)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| English | $3.99 | per month |
| English | $29.99 | per year |


## Frequently asked questions

### Is RepSpeed free?

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

### Is KO Interval Timer free?

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

### Do RepSpeed or KO Interval Timer have ads?

Neither RepSpeed nor KO Interval Timer shows ads.

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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.*