# MobAlerm vs MochiLog

The clearest difference is price: MochiLog at Free against MobAlerm's $0.49. MobAlerm's advantage is in-app purchases (none vs 3) and iOS requirement (13.0 vs 16.0). On update cadence, ads and device support there is nothing between them.

MochiLog is free to download; MobAlerm costs $0.49 up front. MochiLog sells 3 one-off in-app purchases. MobAlerm asks for nothing beyond the download.

MobAlerm ships an update every 10 days, MochiLog fortnightly. The most recent releases landed on September 24, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | MobAlerm | MochiLog |
| --- | --- | --- |
| Price | $0.49 | **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 | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 15 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Kengo Tate](https://appshunter.io/developer/1458012620) | [ryuya watanabe](https://appshunter.io/developer/1863586499) |

## What reviewers say

### MobAlerm

[App page](https://appshunter.io/ios/app/mobalerm/id6737408995)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is MobAlerm free?

MobAlerm costs $0.49, with no in-app purchases.

### Is MochiLog free?

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

### Do MobAlerm or MochiLog have ads?

Neither MobAlerm nor MochiLog shows ads.

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

MobAlerm ships an update every 10 days, and MochiLog fortnightly. Most recently, MobAlerm was updated on September 24, 2026 and MochiLog on October 5, 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.*