# kaizen | Adaptive Run Training vs GymJam

The clearest difference is monetization model: GymJam at freemium against kaizen | Adaptive Run Training's subscription. GymJam also leads on rating (5.0 vs 4.7) and device support (3 vs 1). kaizen | Adaptive Run Training's advantage is ratings volume (31 vs 1) and iOS requirement (16.4 vs 18.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. kaizen | Adaptive Run Training sells 15 in-app purchases, starting at $12.99 per month and GymJam sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

GymJam holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: kaizen | Adaptive Run Training has 31 ratings behind it against 1, so its average is the more settled of the two.

kaizen | Adaptive Run Training ships an update every 10 days, GymJam every 11 days. The most recent releases landed on October 27, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | kaizen | Adaptive Run Training | GymJam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (31 ratings)](https://appshunter.io/ios/app/kaizen-adaptive-run-training/id1638679224/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gymjam/id6761364129/reviews)** |
| Number of ratings | **31** | 1 |
| Positive reviews | 58.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 11 days |
| Monetization | Subscription | **Freemium** |
| Size | 97 MB | 17 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 17+ |
| Developer | [Run Kaizen LTD](https://appshunter.io/developer/1638679226) | [Denys Yefremov](https://appshunter.io/developer/1652174646) |

## What reviewers say

### kaizen | Adaptive Run Training

[App page](https://appshunter.io/ios/app/kaizen-adaptive-run-training/id1638679224)

This app uses your running history to calculate your current fitness and set dynamic weekly distance targets. It offers personalized training guidance to help you achieve your running goals, whether for a specific race or general improvement. The app provides race predictions and flexible training plans that adapt to your schedule.

**Highlights:** Data-driven training partner, Dynamic weekly distance targets, Personalized fitness calculations, Race predictions for various distances, Flexible training plans, Build consistency and improve fitness

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

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription | $12.99 | per month |
| Subscription | $12.99 | per month |
| Monthly Subscription | $14.99 | per month |
| Monthly Subscription | $14.99 | per month |
| Subscription | $14.99 | per month |
| Subscription | $19.99 | per 3 months |
| Subscription | $24.99 | per 3 months |
| Quarterly Subscription | $34.99 | per 3 months |
| Quarterly Subscription | $34.99 | per 3 months |
| Subscription | $49.99 | per year |
| Subscription | $69.99 | per year |
| Annual Subscription | $89.99 | per year |
| Annual Subscription | $89.99 | per year |
| Subscription | $89.99 | per year |
| Subscription | $89.99 | per year |

**What reviewers like**

- ✨ Adaptive and flexible training
- 🎯 Accurate race predictions
- 📈 Helps with improvement and progress
- 💡 Simple and effective concept
- 🤝 Good customer support

**What reviewers complain about**

- 🐛 Very buggy and unstable
- 📉 Inaccurate predictions sometimes
- 🤔 Confusing to understand and use
- 💰 Expensive subscription fee
- ⏳ Lacks advanced features

**Reported bugs**

- Setup process crashes or loops
- App crashes frequently
- Mileage calculations are incorrect
- Planned mileage doesn't add up correctly
- App doesn't get past the first step

**Requested features**

- Allow editing of runs
- More personalization in training plans
- Ability to start the training week on different days
- Consider elevation in training calculations
- Add more workout suggestions and paces


### GymJam

[App page](https://appshunter.io/ios/app/gymjam/id6761364129)

This AI-powered fitness companion plans workouts, tracks progress, and offers personalized training based on your goals and equipment. Log every rep, view past performance, and stay motivated with a supportive community. Integrates with Apple Watch for seamless tracking.

**Highlights:** AI-powered workout suggestions, Personalized 7-day training plans, Detailed rep and set tracking, Apple Watch and Live Activities integration, Community features for sharing and motivation, Progress visualization

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GymJam Premium — Monthly | $3.99 | per month |
| GymJam Premium — 3 Months | $9.99 | per 3 months |
| GymJam Premium — Annual | $29.99 | per year |


## Frequently asked questions

### Is kaizen | Adaptive Run Training free?

kaizen | Adaptive Run Training is free to download, with in-app purchases available.

### Is GymJam free?

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

### Which has better reviews, kaizen | Adaptive Run Training or GymJam?

GymJam is rated higher. kaizen | Adaptive Run Training averages 4.7 out of 5 from 31 ratings, while GymJam averages 5.0 from 1 ratings.

### Do kaizen | Adaptive Run Training or GymJam have ads?

Neither kaizen | Adaptive Run Training nor GymJam shows ads.

### Which is updated more often, kaizen | Adaptive Run Training or GymJam?

kaizen | Adaptive Run Training ships an update every 10 days, and GymJam every 11 days. Most recently, kaizen | Adaptive Run Training was updated on October 27, 2026 and GymJam on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*