# Clock Worksheet Maker vs Ruidaichan

The clearest difference is ads: Ruidaichan at none against Clock Worksheet Maker's shown. Ruidaichan also leads on update cadence (every 5 days vs every 2 weeks) and iOS requirement (16.6 vs 18.2). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Clock Worksheet Maker sells 3 in-app purchases, starting at $2.99 per month and Ruidaichan sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Clock Worksheet Maker ships an update every 2 weeks, Ruidaichan every 5 days. The most recent releases landed on September 2, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Clock Worksheet Maker | Ruidaichan |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 18 MB |
| Requires iOS | 18.2 | **16.6** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fumihiro Kawasaki](https://appshunter.io/developer/1246668885) | [Naoki Ohashi](https://appshunter.io/developer/1880818831) |

## What reviewers say

### Clock Worksheet Maker

[App page](https://appshunter.io/ios/app/clock-worksheet-maker/id6757356964)

Instantly generate practice worksheets for telling time and elapsed time. Offers various problem formats from beginner to advanced, with options to adjust difficulty and export as PDF. Ideal for home study, tutoring, and classroom use.

**Highlights:** Generate analog and digital clock reading practice, Elapsed time and time word problem formats, Adjustable problem count, columns, and types, Export and print worksheets as PDF, Answer sheet generation, Unlimited practice with Pro subscription

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro版(月払い) | $2.99 | per month |
| Pro版(年払い) | $24.99 | per year |
| 全機能を解放（買い切り） | $5.99 | one-time |


### Ruidaichan

[App page](https://appshunter.io/ios/app/ruidaichan-extra-math-practice/id6759811359)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Light Plan | $1.99 | per month |
| Premium Plan | $4.99 | per month |


## Frequently asked questions

### Is Clock Worksheet Maker free?

Clock Worksheet Maker is free to download, with in-app purchases available.

### Is Ruidaichan free?

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

### Do Clock Worksheet Maker or Ruidaichan have ads?

Clock Worksheet Maker shows ads; Ruidaichan does not.

### Which is updated more often, Clock Worksheet Maker or Ruidaichan?

Clock Worksheet Maker ships an update every 2 weeks, and Ruidaichan every 5 days. Most recently, Clock Worksheet Maker was updated on September 2, 2026 and Ruidaichan on September 15, 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.*