BTワットチェッカー vs MochiLog
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BTワットチェッカー
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【1】 アプリケーション概要 ラトックシステムのワットチェッカーRS-BTWATTCH2で計測された消費電力など各種データの表示と電源ON・OFF操作をするアプリケーションです。 【2】 特徴 ● 消費電力・電流・電圧をリアルタイム表示 ● 消費電力量を電気料金・CO2排出量に換算表示 ● 1時間・１日・1ヶ月・1年単位で棒グラフ表示 ● 計測データをCSVファイル保存 ● 電源ON/OFF操作
MochiLog
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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MochiLog extracts real battery data directly from your iPhone’s system logs — no computer required. Unlike other apps that rely on estimates, MochiLog analyzes raw analytics data to show accurate battery metrics. 【Key Features】 ・Real Battery Capacity (mAh) ・True Cycle Count ・Precise Wear Level ・History Graph from Multiple Logs ・100% On-Device Processing (Privacy Safe)
Screenshots
Verdict
The clearest difference is in-app purchases: BTワットチェッカー at none against MochiLog's 3. MochiLog's advantage is update cadence (fortnightly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. MochiLog sells 3 one-off in-app purchases. BTワットチェッカー asks for nothing beyond the download.
BTワットチェッカー ships an update every 3 months, MochiLog fortnightly. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.
| Parameter | BTワットチェッカー | MochiLog |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 15.6 — better | 16.0 |
| Further details — not scored | ||
| Size | 3 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | RATOC Systems, Inc. | ryuya watanabe |
In-app purchases
BTワットチェッカー
No in-app purchases
MochiLog
- Buy me a coffee$0.99
- Buy me a lunch$1.99
- Buy me a dinner$4.99
