# ルネLINK vs むくみ予報

The clearest difference is in-app purchases: ルネLINK at none against むくみ予報's 1. ルネLINK also leads on iOS requirement (15.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. むくみ予報 sells 1 one-off in-app purchase. ルネLINK asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on September 21, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | ルネLINK | むくみ予報 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 4.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | Free | — |
| Size | 49 MB | 6 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 17+ | 12+ |
| Developer | [tokyusportsoasis](https://appshunter.io/developer/927334191) | [kazunari aoki](https://appshunter.io/developer/6774180811) |

## What reviewers say

### ルネLINK

[App page](https://appshunter.io/ios/app/link/id974469172)

Track your workouts and daily activity, including steps and calorie burn. Set personal goals to monitor your progress towards becoming your ideal self. Receive store notifications and coupons, and use your phone as a membership card for check-ins and contract information.

**Highlights:** Workout logging with calorie tracking, Daily activity and step tracking, Goal setting and progress management, Store notifications and coupons, Digital membership card for check-in, Contract information access

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

**In-app purchases:** none


### むくみ予報

[App page](https://appshunter.io/ios/app/id6796861479)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Puffiness Forecast Pro | $9.99 | one-time |


## Frequently asked questions

### Is ルネLINK free?

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

### Is むくみ予報 free?

むくみ予報 is free to download, with in-app purchases available.

### Do ルネLINK or むくみ予報 have ads?

Neither ルネLINK nor むくみ予報 shows ads.

### Which is updated more often, ルネLINK or むくみ予報?

ルネLINK ships an update every 5 weeks, and むくみ予報 every 5 weeks. Most recently, ルネLINK was updated on September 21, 2026 and むくみ予報 on September 25, 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.*