# Keep vs KUMI Ultra

The clearest difference is in-app purchases: KUMI Ultra at none against Keep's 5. KUMI Ultra also leads on ads (none vs shown) and iOS requirement (12.0 vs 14.0). Keep's advantage is update cadence (weekly vs monthly) and device support (4 vs 2). On price there is nothing between them.

Both are free to download. Keep sells 5 in-app purchases, starting at $2.99 per month. KUMI Ultra asks for nothing beyond the download.

Keep ships an update weekly, KUMI Ultra monthly. The most recent releases landed on November 8, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Keep | KUMI Ultra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (17K ratings)](https://appshunter.io/ios/app/keep-ai/id952694580/reviews)** | — |
| Number of ratings | **17K** | — |
| Positive reviews | 52.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 471 MB | 130 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Keep](https://appshunter.io/developer/952694579) | [KUMI CORPORATION LIMITED](https://appshunter.io/developer/1594330775) |

## What reviewers say

### Keep

[App page](https://appshunter.io/ios/app/keep-ai/id952694580)

This app offers a comprehensive AI-powered fitness coaching experience with a vast library of courses, personalized training plans, and detailed data analysis. It tracks workouts, running, diet, and sleep to provide insights into your body's status and guide you towards your health goals.

**Highlights:** AI-powered coaching, Extensive course library, Personalized training plans, Workout and running tracking, Diet and sleep data analysis, Body status insights, AI voice running companion

**Features:** macOS Compatibility, Siri integration, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月会员 | $2.99 | per month |
| Keep VIP 自动订阅 1 个月 | $2.99 | per month |
| Keep 连续包月会员 | $2.99 | per month |
| 连续包月会员 | $2.99 | per month |
| 连续包季会员 | $7.99 | per 3 months |

**What reviewers like**

- 🚀 Love it
- 👍 Great app
- 👍 Excellent app
- 👍 Plenty of free courses
- 👍 Motivating community

**What reviewers complain about**

- 🐛 Crashes and freezes
- 🐛 Slow loading and connectivity issues
- 🐛 Inaccurate calorie/workout tracking
- 🐛 Buggy updates
- 🔒 Privacy concerns

**Reported bugs**

- Sudden app crashes
- Workout data not syncing
- Inability to complete body assessments
- GPS not working for running
- Forced location sharing

**Requested features**

- Add English language support
- Improve Apple Watch integration
- Allow offline workout downloads
- Customize workout playlists
- Expand exercise library


### KUMI Ultra

[App page](https://appshunter.io/ios/app/kumi-ultra/id6642687582)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Keep free?

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

### Is KUMI Ultra free?

KUMI Ultra is free to download, with no in-app purchases.

### Do Keep or KUMI Ultra have ads?

Keep shows ads; KUMI Ultra does not.

### Which is updated more often, Keep or KUMI Ultra?

Keep ships an update weekly, and KUMI Ultra monthly. Most recently, Keep was updated on November 8, 2026 and KUMI Ultra on November 4, 2026.

---

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