# AcoustioNary vs My Dictionary

The clearest difference is iOS requirement: AcoustioNary at 17.0 against My Dictionary's 27.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. AcoustioNary sells 4 one-off in-app purchases and My Dictionary sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

AcoustioNary ships an update every 3 days, My Dictionary every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | AcoustioNary | My Dictionary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Size | 11 MB | 11 MB |
| Requires iOS | **17.0** | 27.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Tomonori Kowatari](https://appshunter.io/developer/1895573153) | [KENICHI KAWAGUCHI](https://appshunter.io/developer/6797157795) |

## What reviewers say

### AcoustioNary

[App page](https://appshunter.io/ios/app/acoustionary/id6773378241)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads forever | $1.99 | one-time |
| 応援チップ（小） | $1.99 | one-time |
| 応援チップ（中） | $4.99 | one-time |
| 応援チップ（大） | $9.99 | one-time |


### My Dictionary

[App page](https://appshunter.io/ios/app/my-dictionary/id6797157793)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Eitango Pro 月額プラン | $2.99 | per month |


## Frequently asked questions

### Is AcoustioNary free?

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

### Is My Dictionary free?

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

### Do AcoustioNary or My Dictionary have ads?

Neither AcoustioNary nor My Dictionary shows ads.

### Which is updated more often, AcoustioNary or My Dictionary?

AcoustioNary ships an update every 3 days, and My Dictionary every 2 days. Most recently, AcoustioNary was updated on October 31, 2026 and My Dictionary on October 31, 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.*