# MindKoi vs Deckify

The clearest difference is in-app purchases: Deckify at none against MindKoi's 2. Deckify also leads on update cadence (every 3 days vs every 10 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MindKoi sells 2 in-app purchases, starting at $9.99 per month. Deckify asks for nothing beyond the download.

MindKoi ships an update every 10 days, Deckify every 3 days. The most recent releases landed on September 6, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | MindKoi | Deckify |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 3 days** |
| Size | 18 MB | 37 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Pavel Kazlou](https://appshunter.io/developer/1462519810) | [SealSyncAI Inc.](https://appshunter.io/developer/1883991816) |

## 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 | $59.99 | per year |


### Deckify

[App page](https://appshunter.io/ios/app/deckify/id6760344100)

**In-app purchases:** none


## Frequently asked questions

### Is MindKoi free?

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

### Is Deckify free?

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

### Do MindKoi or Deckify have ads?

Neither MindKoi nor Deckify shows ads.

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

MindKoi ships an update every 10 days, and Deckify every 3 days. Most recently, MindKoi was updated on September 6, 2026 and Deckify on September 9, 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.*