# Pocketbook Appendix Lite vs 助数詞辞典

The clearest difference is review sentiment: Pocketbook Appendix Lite at 45% against 助数詞辞典's 0%. Pocketbook Appendix Lite also leads on price (Free vs $0.99) and update cadence (every 6 months vs every 39 months). 助数詞辞典's advantage is ads (none vs shown) and chart position (#194 vs unranked). On in-app purchases, device support and iOS requirement there is nothing between them.

Pocketbook Appendix Lite is free to download; 助数詞辞典 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Pocketbook Appendix Lite ships an update every 6 months, 助数詞辞典 every 39 months. The most recent releases landed on October 23, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Pocketbook Appendix Lite | 助数詞辞典 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | **45.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 6 months** | Every 39 months |
| Monetization | Ad-supported | — |
| Best chart rank | — | **#194** |
| Size | 7 MB | 3 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [TECHNO SQUARE Inc.](https://appshunter.io/developer/416751392) | [Li Guo](https://appshunter.io/developer/393107253) |

## What reviewers say

### Pocketbook Appendix Lite

[App page](https://appshunter.io/ios/app/pocketbook-appendix-lite/id417002893)

This app provides a comprehensive collection of Japanese reference data, including postal charges, holidays, age tables, and conversion charts. It is regularly updated with new information and bug fixes to ensure accuracy and usability.

**Highlights:** Age table, Conversion table, Postal charges, Emergency numbers, Japanese holidays, Calendar, Solar system information

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

**In-app purchases:** none


### 助数詞辞典

[App page](https://appshunter.io/ios/app/id428414865)

**Currently charting:** #194 Top Paid · Reference (US App Store)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pocketbook Appendix Lite free?

Pocketbook Appendix Lite is free to download, with no in-app purchases.

### Is 助数詞辞典 free?

助数詞辞典 costs $0.99, with no in-app purchases.

### Do Pocketbook Appendix Lite or 助数詞辞典 have ads?

Pocketbook Appendix Lite shows ads; 助数詞辞典 does not.

### Which is updated more often, Pocketbook Appendix Lite or 助数詞辞典?

Pocketbook Appendix Lite ships an update every 6 months, and 助数詞辞典 every 39 months. Most recently, Pocketbook Appendix Lite was updated on October 23, 2026 and 助数詞辞典 on October 7, 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.*