# Strike Clock vs Kimura

The clearest difference is review sentiment: Strike Clock at 100% against Kimura's 62%. Strike Clock also leads on rating (5.0 vs 4.5) and in-app purchases (none vs 4). Kimura's advantage is update cadence (fortnightly vs every 3 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Kimura sells 4 in-app purchases, starting at $9.99 per month. Strike Clock asks for nothing beyond the download.

Strike Clock holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 9 and 26 respectively. Written reviews point the same way: 100% of Strike Clock's written reviews are positive against 62% of Kimura's.

Strike Clock ships an update every 3 months, Kimura fortnightly. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Strike Clock | Kimura |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/strike-clock/id1009066519/reviews)** | [4.5 (26 ratings)](https://appshunter.io/ios/app/kimura-bjj-notes-and-sessions/id6736634052/reviews) |
| Number of ratings | 9 | **26** |
| Positive reviews | **100.0% of reviews** | 61.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 14 MB | 102 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Assembly Ltd](https://appshunter.io/developer/1009066518) | [Aurelius Applications Inc.](https://appshunter.io/developer/1769512376) |

## What reviewers say

### Strike Clock

[App page](https://appshunter.io/ios/app/strike-clock/id1009066519)

A round timer designed for use with gloves on, activated by tapping the front camera. It visually indicates round progress with color changes and offers customizable settings for round length, rest, and warnings.

**Highlights:** Glove-activated timer via front camera, Visual color-coded round progress, Configurable round length and rest times, Customizable warning modes, EUG mode for slowed time perception

**Features:** macOS Compatibility

**In-app purchases:** none


### Kimura

[App page](https://appshunter.io/ios/app/kimura-bjj-notes-and-sessions/id6736634052)

Log your Brazilian Jiu Jitsu techniques and training sessions. Organize your moves, connect them into flows, and visualize your game. Access lessons on stoicism and warrior spirit, and save techniques for later practice.

**Highlights:** Track Jiu Jitsu techniques, Record BJJ sessions, Access 100+ lessons, Save techniques for later, Link techniques into flows, Visualize your game, Add technique videos

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| Annual (Free Trial) | $69.99 | per year |
| Annual | $69.99 | per year |
| Lifetime | $69.99 | one-time |


## Frequently asked questions

### Is Strike Clock free?

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

### Is Kimura free?

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

### Which has better reviews, Strike Clock or Kimura?

Strike Clock is rated higher. Strike Clock averages 5.0 out of 5 from 9 ratings, while Kimura averages 4.5 from 26 ratings.

### Do Strike Clock or Kimura have ads?

Neither Strike Clock nor Kimura shows ads.

### Which is updated more often, Strike Clock or Kimura?

Strike Clock ships an update every 3 months, and Kimura fortnightly. Most recently, Strike Clock was updated on October 8, 2026 and Kimura on October 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.*