# kaizen | Adaptive Run Training vs Gym Rank

The clearest difference is monetization model: Gym Rank at free with in-app purchases against kaizen | Adaptive Run Training's subscription. Gym Rank also leads on review sentiment (84% vs 58%) and ratings volume (171 vs 31). On price, rating, update cadence and ads 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 Gym Rank sells 8 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for kaizen | Adaptive Run Training against 4.8 for Gym Rank. That said, the two scores are not equally well evidenced: Gym Rank has 171 ratings behind it against 31, so its average is the more settled of the two. Written reviews are what separate them: 58% of kaizen | Adaptive Run Training's written reviews are positive against 84% of Gym Rank's.

kaizen | Adaptive Run Training ships an update every 10 days, Gym Rank every 2 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | kaizen | Adaptive Run Training | Gym Rank |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (31 ratings)](https://appshunter.io/ios/app/kaizen-adaptive-run-training/id1638679224/reviews) | **[4.8 (171 ratings)](https://appshunter.io/ios/app/gym-rank-workout-tracker-log/id6504728721/reviews)** |
| Number of ratings | 31 | **171** |
| Positive reviews | 58.0% of reviews | **83.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 97 MB | 230 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Run Kaizen LTD](https://appshunter.io/developer/1638679226) | [Kaizen Software Development](https://appshunter.io/developer/1696684467) |

## 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


### Gym Rank

[App page](https://appshunter.io/ios/app/gym-rank-workout-tracker-log/id6504728721)

This AI-powered fitness app helps users track workouts, set personal records, and improve strength. It offers daily challenges, a unique ranking system, and AI-driven progress insights. Users can access a large exercise library with demo GIFs and create custom workout programs.

**Highlights:** Track workouts and personal records, Join daily fitness challenges, AI-based progress insights, 1400+ exercises with demo GIFs, Create and share workout programs, Offline mode

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gym Rank Subscription Weekly | $3.99 | per 7 days |
| Premium User Monthly | $3.99 | per month |
| Gym Rank Premium | $4.99 | per month |
| Pro Users Monthly | $8.99 | per month |
| Gym Rank Premium | $22.99 | per year |
| Premium User Yearly | $29.99 | per year |
| Pro Users Yearly | $39.99 | per year |
| Life Time Gym Rank | $79.99 | one-time |

**What reviewers like**

- 💡 Gamification based on Solo Leveling
- 👍 Motivating and engaging workout experience
- 👍 Provides different workout options to prevent boredom
- 👍 Straightforward and helpful app
- 🚀 Continuously improving and adding new features

**What reviewers complain about**

- 🐛 Toxic community on Discord with arguments and threats
- 💡 Needs more ways to level up and progress


## Frequently asked questions

### Is kaizen | Adaptive Run Training free?

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

### Is Gym Rank free?

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

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

Gym Rank is rated higher. kaizen | Adaptive Run Training averages 4.7 out of 5 from 31 ratings, while Gym Rank averages 4.8 from 171 ratings.

### Do kaizen | Adaptive Run Training or Gym Rank have ads?

Neither kaizen | Adaptive Run Training nor Gym Rank shows ads.

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

kaizen | Adaptive Run Training ships an update every 10 days, and Gym Rank every 2 weeks. Most recently, kaizen | Adaptive Run Training was updated on October 27, 2026 and Gym Rank on October 25, 2026.

---

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