# RomajiConvert vs Kanji Lock

The clearest difference is in-app purchases: RomajiConvert at none against Kanji Lock's 1. RomajiConvert also leads on iOS requirement (16.4 vs 26.4). Kanji Lock's advantage is update cadence (weekly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Kanji Lock sells 1 in-app purchase, starting at $1.99 per month. RomajiConvert asks for nothing beyond the download.

RomajiConvert ships an update every 2 months, Kanji Lock weekly. The most recent releases landed on October 13, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | RomajiConvert | Kanji Lock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 36 MB | 33 MB |
| Requires iOS | **16.4** | 26.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ashen Ishanka Costha](https://appshunter.io/developer/1566497857) | [AYA FUNAKI](https://appshunter.io/developer/6804565359) |

## What reviewers say

### RomajiConvert

[App page](https://appshunter.io/ios/app/romajiconvert/id6456984714)

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

**In-app purchases:** none


### Kanji Lock

[App page](https://appshunter.io/ios/app/kanji-lock/id6813785839)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | per month |


## Frequently asked questions

### Is RomajiConvert free?

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

### Is Kanji Lock free?

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

### Do RomajiConvert or Kanji Lock have ads?

Neither RomajiConvert nor Kanji Lock shows ads.

### Which is updated more often, RomajiConvert or Kanji Lock?

RomajiConvert ships an update every 2 months, and Kanji Lock weekly. Most recently, RomajiConvert was updated on October 13, 2026 and Kanji Lock on October 22, 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.*