# MindKoi vs Dictionary

The clearest difference is update cadence: MindKoi at every 10 days against Dictionary's every 3 weeks. MindKoi also leads on iOS requirement (16.0 vs 18). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. MindKoi sells 2 in-app purchases, starting at $9.99 per month and Dictionary sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

MindKoi ships an update every 10 days, Dictionary every 3 weeks. The most recent releases landed on October 5, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | MindKoi | Dictionary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Size | 18 MB | 31 MB |
| Requires iOS | **16.0** | 18 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pavel Kazlou](https://appshunter.io/developer/1462519810) | [Vladyslav Khorovodnykov](https://appshunter.io/developer/1895967312) |

## What reviewers say

### MindKoi

[App page](https://appshunter.io/ios/app/mindkoi-study-smarter-and-learn/id6751173393)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plus | $9.99 | per month |
| Annual Plus | $44.99 | per year |


### Dictionary

[App page](https://appshunter.io/ios/app/dictionary-learn-and-repeat/id6765874788)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Say Thanks | $0.99 | one-time |
| Real Appreciation | $4.99 | one-time |


## Frequently asked questions

### Is MindKoi free?

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

### Is Dictionary free?

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

### Do MindKoi or Dictionary have ads?

Neither MindKoi nor Dictionary shows ads.

### Which is updated more often, MindKoi or Dictionary?

MindKoi ships an update every 10 days, and Dictionary every 3 weeks. Most recently, MindKoi was updated on October 5, 2026 and Dictionary on September 18, 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.*