# Furigana PDF vs Learning Clock Timer

The clearest difference is price: Furigana PDF at Free against Learning Clock Timer's $3.99. Furigana PDF also leads on rating (4.0 vs 3.0) and in-app purchases (none vs 3). Learning Clock Timer's advantage is iOS requirement (15.0 vs 17.0). On ratings volume, ads and device support there is nothing between them.

Furigana PDF is free to download; Learning Clock Timer costs $3.99 up front. Learning Clock Timer sells 3 one-off in-app purchases. Furigana PDF asks for nothing beyond the download.

Furigana PDF holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Furigana PDF ships an update every 5 months, Learning Clock Timer every 24 months. The most recent releases landed on September 25, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Furigana PDF | Learning Clock Timer |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/furigana-pdf/id1516570722/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/learning-clock-timer/id1671797554/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 69.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 24 months |
| Monetization | **Free** | Paid |
| Size | 54 MB | 6 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [telethon k.k.](https://appshunter.io/developer/699508003) | [Keaton.com](https://appshunter.io/developer/464191934) |

## What reviewers say

### Furigana PDF

[App page](https://appshunter.io/ios/app/furigana-pdf/id1516570722)

Easily add furigana reading aids to Japanese PDF documents. This app automatically annotates Kanji characters and allows customization to match your PDF's layout. You can also scan paper documents and add furigana, with all processing done offline for privacy.

**Highlights:** Automatic furigana annotation, Customizable furigana display, Scan and annotate paper documents, Offline processing for privacy, Supports horizontal and vertical text, Export annotated PDFs

**Features:** Vision Pro support

**In-app purchases:** none


### Learning Clock Timer

[App page](https://appshunter.io/ios/app/learning-clock-timer/id1671797554)

This app helps children learn to tell time with interactive analog and digital clocks, customizable alarms, and a visual timer. It's also designed for seniors with its large, easy-to-read display.

**Highlights:** Interactive analog and digital clocks, Customizable alarms with labels and images, Visual circle-shaped timer, Large, easy-to-read display, Multiple color themes and customization options, Accessibility features

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Send money for coffee | $0.99 | one-time |
| Send money for lunch | $2.99 | one-time |
| Send money for books | $7.99 | one-time |


## Frequently asked questions

### Is Furigana PDF free?

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

### Is Learning Clock Timer free?

Learning Clock Timer costs $3.99, and also offers in-app purchases.

### Which has better reviews, Furigana PDF or Learning Clock Timer?

Furigana PDF is rated higher. Furigana PDF averages 4.0 out of 5 from 2 ratings, while Learning Clock Timer averages 3.0 from 1 ratings.

### Do Furigana PDF or Learning Clock Timer have ads?

Neither Furigana PDF nor Learning Clock Timer shows ads.

### Which is updated more often, Furigana PDF or Learning Clock Timer?

Furigana PDF ships an update every 5 months, and Learning Clock Timer every 24 months. Most recently, Furigana PDF was updated on September 25, 2026 and Learning Clock Timer on September 21, 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.*