Comparison

MochiLog vs Sauna Clock

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Real battery capacity (mAh)
  • True cycle count
  • Precise wear level
  • History graph from multiple logs
  • 100% on-device processing
Features
Read full description

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)

About

Sauna Clock

Features
Read full description

Sauna Clock recreates the classic 12-minute dial found in saunas. Its hands follow the current time, with one large, clear dial at the center of the screen. Use it to check time in a sauna, or as a calm analog clock for study, work, and short breaks. Place your device on a desk or shelf whenever you want the familiar sauna dial nearby. ■ Features ・Analog 12-minute clock synced to the real time ・Keeps the display awake while the app is open ・Portrait and landscape support ・11 backgrounds, including wood and stone ・Home Screen and Lock Screen widgets ■ Straightforward and private ・No ads ・No account required ・No analytics or tracking ・No in-app purchases or subscriptions One app purchase includes every background and feature. Open it whenever you need a clear 12-minute dial, in the sauna or on your desk.

Screenshots

MochiLog4 screens
Sauna Clock3 screens

Verdict

The call

The clearest difference is price: MochiLog at Free against Sauna Clock's $1.99. MochiLog also leads on device support (3 vs 1). On update cadence, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

MochiLog is free to download; Sauna Clock costs $1.99 up front. MochiLog sells 3 one-off in-app purchases and Sauna Clock sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

MochiLog ships an update every 3 weeks, Sauna Clock monthly. The most recent releases landed on September 18, 2026 and September 21, 2026 respectively.

Scorecard2 real differences · 6 level
MochiLog versus Sauna Clock: the parameters behind the verdict, then further details
ParameterMochiLogSauna Clock
PriceFree — better$1.99
Positive reviews100.0% of reviews—
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS16.0 — better17.0
Further details — not scored
Size12 MB11 MB
Age rating4+4+
Developerryuya watanabeCAEN Co., Ltd.

In-app purchases

3 purchases

MochiLog

One-time3
  • Buy me a coffee$0.99
  • Buy me a lunch$1.99
  • Buy me a dinner$4.99
1 purchases

Sauna Clock

One-time1
  • Pro$0.99

Questions

Is MochiLog free?
MochiLog is free to download, with in-app purchases available.
Is Sauna Clock free?
Sauna Clock costs $1.99, and also offers in-app purchases.
Do MochiLog or Sauna Clock have ads?
Neither MochiLog nor Sauna Clock shows ads.
Which is updated more often, MochiLog or Sauna Clock?
MochiLog ships an update every 3 weeks, and Sauna Clock monthly. Most recently, MochiLog was updated on September 18, 2026 and Sauna Clock on September 21, 2026.

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