# MochiLog vs ROOOM

The clearest difference is in-app purchases: ROOOM at none against MochiLog's 3. ROOOM also leads on update cadence (every 6 days vs fortnightly). MochiLog's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. MochiLog sells 3 one-off in-app purchases. ROOOM asks for nothing beyond the download.

MochiLog ships an update fortnightly, ROOOM every 6 days. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | MochiLog | ROOOM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mochilog/id6756904240/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 90 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ryuya watanabe](https://appshunter.io/developer/1863586499) | [UncommonProduction Inc.,](https://appshunter.io/developer/1847252418) |

## What reviewers say

### MochiLog

[App page](https://appshunter.io/ios/app/mochilog/id6756904240)

This app provides accurate battery health information by analyzing your device's system logs. It offers detailed metrics like real capacity, cycle count, and wear level without needing a computer. All processing is done on-device for enhanced privacy.

**Highlights:** Real battery capacity (mAh), True cycle count, Precise wear level, History graph from multiple logs, 100% on-device processing

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $0.99 | one-time |
| Buy me a lunch | $1.99 | one-time |
| Buy me a dinner | $4.99 | one-time |


### ROOOM

[App page](https://appshunter.io/ios/app/rooom/id6787261836)

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

**In-app purchases:** none


## Frequently asked questions

### Is MochiLog free?

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

### Is ROOOM free?

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

### Do MochiLog or ROOOM have ads?

Neither MochiLog nor ROOOM shows ads.

### Which is updated more often, MochiLog or ROOOM?

MochiLog ships an update fortnightly, and ROOOM every 6 days. Most recently, MochiLog was updated on October 5, 2026 and ROOOM on October 10, 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.*