MochiLog

MochiLog

Battery Health & Cycle Tracker

1 ratings
8 reviews
Free
In-App Purchases

Details

  • Released
  • Updated
  • January 6, 2026
  • September 28, 2026

Features

MochiLog screenshot #1 for iPhone
MochiLog screenshot #2 for iPhone
MochiLog screenshot #3 for iPhone
MochiLog screenshot #4 for iPhone
iphone
ipad
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About

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.

✓Real battery capacity (mAh)
✓True cycle count
✓Precise wear level
✓History graph from multiple logs
✓100% on-device processing
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What's New in MochiLog

3.2.2

September 28, 2026

• Fixed a crash when sharing a chart from Log Details. • Fixed a crash in Analysis charts for devices with localized generation names, such as iPad models.

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Subscriptions & In-App Purchases

$1.99

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Coding makes me hungry. Thanks!

User reviews

経過を追えるのが良い

解析自体は某おじさんのショートカットでも可能ですが、ログを残せるのが良いです。
コーヒーをさしあげますのでこれからも良いアプリ作りを期待します☕️

古い機種でも、電池の劣化度合いが定量的に分かる

電池交換や本体買い替えのタイミングを図れます。
ご参考に手持ちのを調べてみました。
----
iPhone12(A14B 2020):○ 80.0% 83.4% 81% [-](3年ほど使用)
iPadmini6(A15B 2021):○ 79.2% 77.4% 79% [-]
iPad Air5(M1 2022):○ 80.% 79.9% 79% [-]
iPhone15plus(A16B 2023):◎ 98.9% 99.7% 100% [100%] (純正で電池交換後6ヵ月)
iPad pro(M5 2025):◎ 89.1% 88.2% 92% [92%](購入後7ヵ月)
数値は、公称容量% 実測容量% 設定上の表示% [iOSの設定-バッテリーの最大容量%]
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自動化希望

解析ログを都度手動で登録するのが手間なので溜まっていくログを自動で取り込んでくれると嬉しいです。アプリにはとても満足してます。

Useful tool

This tool is very helpful if you want to record the history of iphone battery capacity and cycle number. I wish it could provide some explanation of different types of capacities, like nominal, raw, and low rate capacities

使いやすい

使いやすくてめちゃいい感じ

Developer apps

FAQ

What is MochiLog?

MochiLog is a utility app that provides accurate battery health and cycle count information for your iPhone. It analyzes your device's system logs directly on your phone, offering precise metrics without relying on estimates.

How does MochiLog get battery data?

MochiLog extracts real battery data directly from your iPhone’s system logs. This method ensures accuracy as it analyzes raw analytics data rather than estimations.

Is MochiLog safe to use with my data?

Yes, MochiLog prioritizes user privacy with 100% on-device processing. Your battery data is analyzed directly on your iPhone, meaning it is never sent to external servers.

What specific battery metrics does MochiLog show?

MochiLog displays key battery metrics including real battery capacity in mAh, the true cycle count of your battery, and a precise wear level percentage.

Can I see my battery's history with MochiLog?

Yes, MochiLog allows you to view a history graph of your battery's performance by analyzing multiple logs. This helps you track changes and trends over time.

What devices does MochiLog support?

MochiLog is supported on watch, iPhone, and iPad devices. It is designed to work across Apple's ecosystem.

How often is MochiLog updated?

The latest version of MochiLog is 2.2.1, which was last updated on April 27, 2026. Updates typically bring improvements and new features.

Does MochiLog have ads?

No, MochiLog does not contain advertisements. It is a free app with optional in-app purchases.