# KujiraTimer vs sheetMaker

The clearest difference is update cadence: sheetMaker at weekly against KujiraTimer's every 5 months. sheetMaker also leads on device support (3 vs 1) and iOS requirement (12.0 vs 18.1). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KujiraTimer ships an update every 5 months, sheetMaker weekly. The most recent releases landed on September 7, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | KujiraTimer | sheetMaker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kujiratimer/id1402988661/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 11 MB | 75 MB |
| Requires iOS | 18.1 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takashi Shinyashiki](https://appshunter.io/developer/1235395472) | [Reiji Yamaguchi](https://appshunter.io/developer/1702450605) |

## What reviewers say

### KujiraTimer

[App page](https://appshunter.io/ios/app/kujiratimer/id1402988661)

Effortlessly track your time spent on various activities like learning or exercise. Start a timer with a single tap and log your activity afterward. Review your progress with daily, weekly, monthly, and yearly summary graphs.

**Highlights:** Activity time tracking, Pause timer functionality, Daily/weekly/monthly/yearly summaries, Quick start alarm timer, Simple interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### sheetMaker

[App page](https://appshunter.io/ios/app/sheetmaker-create-marksheet/id6602891274)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KujiraTimer free?

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

### Is sheetMaker free?

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

### Do KujiraTimer or sheetMaker have ads?

Both KujiraTimer and sheetMaker show ads.

### Which is updated more often, KujiraTimer or sheetMaker?

KujiraTimer ships an update every 5 months, and sheetMaker weekly. Most recently, KujiraTimer was updated on September 7, 2026 and sheetMaker on September 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.*