# Study Timer & Time Tracker vs みずぬりえ

The clearest difference is in-app purchases: みずぬりえ at none against Study Timer & Time Tracker's 1. みずぬりえ also leads on ads (none vs shown). Study Timer & Time Tracker's advantage is iOS requirement (16.6 vs 18.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Study Timer & Time Tracker sells 1 one-off in-app purchase. みずぬりえ asks for nothing beyond the download.

Study Timer & Time Tracker ships an update every 4 days, みずぬりえ weekly. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Study Timer & Time Tracker | みずぬりえ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (28 ratings)](https://appshunter.io/ios/app/study-timer-and-time-tracker/id1644638467/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | 84.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Ad-supported | — |
| Size | 34 MB | 35 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [WEBDIA INC.](https://appshunter.io/developer/1271616115) | [Shohei Fukui](https://appshunter.io/developer/355665012) |

## What reviewers say

### Study Timer & Time Tracker

[App page](https://appshunter.io/ios/app/study-timer-and-time-tracker/id1644638467)

Easily track your daily study sessions and visualize your progress with detailed history charts. This app helps you identify subjects needing more attention, encouraging balanced learning for improved academic performance.

**Highlights:** Record study time by subject, Register and manage subjects, View study history with graphs, Visualize time spent on weak subjects, Ad-supported free usage

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### みずぬりえ

[App page](https://appshunter.io/ios/app/id6755078637)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Study Timer & Time Tracker free?

Study Timer & Time Tracker is free to download, with in-app purchases available.

### Is みずぬりえ free?

みずぬりえ is free to download, with no in-app purchases.

### Do Study Timer & Time Tracker or みずぬりえ have ads?

Study Timer & Time Tracker shows ads; みずぬりえ does not.

### Which is updated more often, Study Timer & Time Tracker or みずぬりえ?

Study Timer & Time Tracker ships an update every 4 days, and みずぬりえ weekly. Most recently, Study Timer & Time Tracker was updated on October 30, 2026 and みずぬりえ on October 28, 2026.

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