# Sultan Key vs EduBase

The clearest difference is in-app purchases: EduBase at none against Sultan Key's 4. EduBase also leads on iOS requirement (15.0 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sultan Key sells 4 in-app purchases, starting at $4.99 per month. EduBase asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on September 26, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Sultan Key | EduBase |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/edubase-kpss/id6774781891/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | — | Free |
| Size | 32 MB | 2 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TOSTBANG TEKNOLOJI GIDA MAKINA LOJISTIK TURIZM DANISMANLIK VE SARJ ISTASYONLARI ANONIM SIRKETI](https://appshunter.io/developer/1668982688) | [Suleyman DAG](https://appshunter.io/developer/6774781893) |

## What reviewers say

### Sultan Key

[App page](https://appshunter.io/ios/app/sultan-key/id6474119812)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SultanKey Plus | $4.99 | per month |
| SultanKey Premium | $9.99 | per month |
| SultanKey Plus | $49.99 | per year |
| SultanKey Premium | $99.99 | per year |


### EduBase

[App page](https://appshunter.io/ios/app/edubase-kpss/id6774781891)

This comprehensive digital education platform offers extensive KPSS preparation with over 25,000 unique questions and 40,000 active content pieces. It features visual memory techniques, interactive learning modules, and competitive modes to enhance your study experience.

**Highlights:** Extensive question archive (25,000+), Visual memory techniques, Interactive learning modules, Competitive duel mode, Quick review with gamification, Branch-specific practice exams, Professional guidance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sultan Key free?

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

### Is EduBase free?

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

### Do Sultan Key or EduBase have ads?

Neither Sultan Key nor EduBase shows ads.

### Which is updated more often, Sultan Key or EduBase?

Sultan Key ships an update fortnightly, and EduBase fortnightly. Most recently, Sultan Key was updated on September 26, 2026 and EduBase on September 19, 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.*