# MochiLog vs Countdown Days

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.

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.

## The numbers

| Metric | MochiLog | Countdown Days |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/mochilog/id6756904240/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/countdown-days-jonapus/id6779926012/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 15 MB | 6 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [ryuya watanabe](https://appshunter.io/developer/1863586499) | [卫中 张](https://appshunter.io/developer/6776171165) |

## What reviewers say

### 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 |


### Countdown Days

[App page](https://appshunter.io/ios/app/countdown-days-jonapus/id6779926012)

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.

**Highlights:** Glassmorphic UI elements, Interactive Lock Screen widgets, Home Screen widgets, Push notification reminders, Cross-device syncing, Native SwiftUI development

**Features:** macOS Compatibility, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MochiLog free?

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

### Is Countdown Days free?

Countdown Days is free to download, with no in-app purchases.

### Which has better reviews, MochiLog or Countdown Days?

MochiLog and Countdown Days are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do MochiLog or Countdown Days have ads?

Neither MochiLog nor Countdown Days shows ads.

### Which is updated more often, MochiLog or Countdown Days?

MochiLog ships an update fortnightly, and Countdown Days every 3 days. Most recently, MochiLog was updated on October 5, 2026 and Countdown Days on October 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*