# kaizen | Adaptive Run Training vs Shape

kaizen | Adaptive Run Training and Shape are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. kaizen | Adaptive Run Training sells 15 in-app purchases, starting at $12.99 per month and Shape sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

kaizen | Adaptive Run Training ships an update every 10 days, Shape weekly. The most recent releases landed on October 18, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | kaizen | Adaptive Run Training | Shape |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (28 ratings)](https://appshunter.io/ios/app/kaizen-adaptive-run-training/id1638679224/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | 58.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | Subscription | — |
| Size | 81 MB | 49 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Run Kaizen LTD](https://appshunter.io/developer/1638679226) | [Samuel Christoffer Kraft](https://appshunter.io/developer/1826569823) |

## 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


### Shape

[App page](https://appshunter.io/ios/app/shape-training-planner/id6748612810)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Shape Pro Monthly | $4.99 | per month |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is kaizen | Adaptive Run Training free?

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

### Is Shape free?

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

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

Neither kaizen | Adaptive Run Training nor Shape shows ads.

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

kaizen | Adaptive Run Training ships an update every 10 days, and Shape weekly. Most recently, kaizen | Adaptive Run Training was updated on October 18, 2026 and Shape on October 19, 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.*