MochiLog vs Countdown Days
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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)
Countdown Days
An elegant countdown utility with a fluid glass design to track important moments. Features interactive widgets, push notification reminders, and seamless device syncing. Built natively for speed and a stunning user experience.
- Glassmorphic UI elements
- Interactive Lock Screen widgets
- Home Screen widgets
- Push notification reminders
- Cross-device syncing
- Native SwiftUI development
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CountdownDays is an elegant, fluid-glass countdown utility designed to help you track your most meaningful moments. Built 100% natively in SwiftUI for blazing-fast execution, it features stunning glassmorphic UI elements, interactive Lock Screen and Home Screen widgets in multiple sizes, and account-wide push notification reminders. Seamlessly authenticated via Jonapus SSO, your countdowns sync flawlessly across all your devices so you never miss a milestone.
Screenshots
Verdict
The clearest difference is in-app purchases: Countdown Days at none against MochiLog's 3. Countdown Days also leads on update cadence (every 3 days vs fortnightly). MochiLog's advantage is iOS requirement (16.0 vs 26.0). On price, rating, ratings volume and ads 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. Countdown Days asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for MochiLog against 5.0 for Countdown Days. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
MochiLog ships an update fortnightly, Countdown Days every 3 days. The most recent releases landed on October 5, 2026 and October 13, 2026 respectively.
| Parameter | MochiLog | Countdown Days |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Fortnightly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Requires iOS | 16.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 15 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | ryuya watanabe | 卫中 张 |
Customer experience
MochiLog
Countdown Days
In-app purchases
MochiLog
- Buy me a coffee$0.99
- Buy me a lunch$1.99
- Buy me a dinner$4.99
Countdown Days
No in-app purchases









