# GrindCare® app vs SleepLog+ 睡眠記録・いびきメモ

The clearest difference is in-app purchases: GrindCare® app at none against SleepLog+ 睡眠記録・いびきメモ's 3. GrindCare® app also leads on iOS requirement (11.0 vs 17.0). SleepLog+ 睡眠記録・いびきメモ's advantage is update cadence (every 8 days vs every 24 months). On price, ads and device support there is nothing between them.

Both are free to download. SleepLog+ 睡眠記録・いびきメモ sells 3 one-off in-app purchases. GrindCare® app asks for nothing beyond the download.

GrindCare® app ships an update every 24 months, SleepLog+ 睡眠記録・いびきメモ every 8 days. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | GrindCare® app | SleepLog+ 睡眠記録・いびきメモ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 8 days** |
| Size | 14 MB | 2 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Sunstar Suisse SA](https://appshunter.io/developer/1118348956) | [HIDEKI YAMADA](https://appshunter.io/developer/6783597896) |

## What reviewers say

### GrindCare® app

[App page](https://appshunter.io/ios/app/grindcare-app/id1118348957)

**Features:** macOS Compatibility

**In-app purchases:** none


### SleepLog+ 睡眠記録・いびきメモ

[App page](https://appshunter.io/ios/app/sleeplog-plus/id6784555533)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| スターライト コスメ | $1.99 | one-time |
| ギャラクシー コスメ | $1.99 | one-time |
| サポーターパック | $3.99 | one-time |


## Frequently asked questions

### Is GrindCare® app free?

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

### Is SleepLog+ 睡眠記録・いびきメモ free?

SleepLog+ 睡眠記録・いびきメモ is free to download, with in-app purchases available.

### Do GrindCare® app or SleepLog+ 睡眠記録・いびきメモ have ads?

Neither GrindCare® app nor SleepLog+ 睡眠記録・いびきメモ shows ads.

### Which is updated more often, GrindCare® app or SleepLog+ 睡眠記録・いびきメモ?

GrindCare® app ships an update every 24 months, and SleepLog+ 睡眠記録・いびきメモ every 8 days. Most recently, GrindCare® app was updated on October 7, 2026 and SleepLog+ 睡眠記録・いびきメモ on October 8, 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.*