# SunfitLink vs RaphAI

The clearest difference is in-app purchases: SunfitLink at none against RaphAI's 10. SunfitLink also leads on iOS requirement (11.0 vs 16.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. RaphAI sells 9 one-off in-app purchases. SunfitLink asks for nothing beyond the download.

SunfitLink ships an update every 3 weeks, RaphAI every 4 weeks. The most recent releases landed on September 8, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | SunfitLink | RaphAI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 21 MB | 301 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Bokai Sunlight (Beijing) Technology Ltd.](https://appshunter.io/developer/1272740597) | [广州市金匮医学科技有限公司](https://appshunter.io/developer/1726129772) |

## What reviewers say

### SunfitLink

[App page](https://appshunter.io/ios/app/sunfitlink/id1272740598)

**Features:** macOS Compatibility

**In-app purchases:** none


### RaphAI

[App page](https://appshunter.io/ios/app/raphai/id6476177574)

Access prescribed exercise therapy programs at home with real-time AI-powered movement monitoring and guidance. Track your progress and share performance data with your therapist for personalized treatment adjustments.

**Highlights:** Prescribed exercise programs, AI movement monitoring, Real-time guidance, Progress tracking, Therapist data sharing

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| vip会员1个月 | $29.99 | one-time |
| vip会员3个月 | $34.99 | one-time |
| vip会员1个月 | $39.99 | one-time |
| vip会员2个月 | $49.99 | one-time |
| vip会员6个月 | $59.99 | one-time |
| vip会员3个月 | $69.99 | one-time |
| vip会员2个月 | $69.99 | one-time |
| vip会员6个月 | $99.99 | one-time |
| vip会员6个月 | $179.99 | one-time |


## Frequently asked questions

### Is SunfitLink free?

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

### Is RaphAI free?

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

### Do SunfitLink or RaphAI have ads?

Neither SunfitLink nor RaphAI shows ads.

### Which is updated more often, SunfitLink or RaphAI?

SunfitLink ships an update every 3 weeks, and RaphAI every 4 weeks. Most recently, SunfitLink was updated on September 8, 2026 and RaphAI on September 13, 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.*