# StudyGlen vs MasterKi

The clearest difference is update cadence: MasterKi at every 2 days against StudyGlen's every 6 days. MasterKi also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. StudyGlen sells 4 one-off in-app purchases and MasterKi sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

StudyGlen ships an update every 6 days, MasterKi every 2 days. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | StudyGlen | MasterKi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 2 days** |
| Size | 65 MB | 37 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Tuncay Technologies LTD](https://appshunter.io/developer/1896344139) | [Harry O Brien](https://appshunter.io/developer/6809624741) |

## What reviewers say

### StudyGlen

[App page](https://appshunter.io/ios/app/studyglen-ai-flashcard-maker/id6766991962)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mini Pack | $5.99 | one-time |
| Starter Pack | $11.99 | one-time |
| Plus Pack | $29.99 | one-time |
| Pro Pack | $59.99 | one-time |


### MasterKi

[App page](https://appshunter.io/ios/app/masterki/id6812918546)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MasterKi Plus | $4.99 | per month |
| MasterKi Max | $19.99 | per month |
| MasterKi Plus Annual | $29.99 | per year |
| MasterKi Max Annual | $99.99 | per year |


## Frequently asked questions

### Is StudyGlen free?

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

### Is MasterKi free?

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

### Do StudyGlen or MasterKi have ads?

Neither StudyGlen nor MasterKi shows ads.

### Which is updated more often, StudyGlen or MasterKi?

StudyGlen ships an update every 6 days, and MasterKi every 2 days. Most recently, StudyGlen was updated on October 25, 2026 and MasterKi on October 29, 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.*