# RoboKET vs Hidden History Project

The clearest difference is in-app purchases: Hidden History Project at none against RoboKET's 3. Hidden History Project also leads on update cadence (every 9 days vs every 3 weeks) and iOS requirement (13.0 vs 15.0.0). On price, ads and device support there is nothing between them.

Both are free to download. RoboKET sells 3 in-app purchases, starting at $6.99 per 7 days. Hidden History Project asks for nothing beyond the download.

RoboKET ships an update every 3 weeks, Hidden History Project every 9 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | RoboKET | Hidden History Project |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/roboket-ket-tests-lithuania/id6479808767/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 53 MB | 24 MB |
| Requires iOS | 15.0.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Robo code MB](https://appshunter.io/developer/1374553017) | [Ying Chen113492257131](https://appshunter.io/developer/6777512335) |

## What reviewers say

### RoboKET

[App page](https://appshunter.io/ios/app/roboket-ket-tests-lithuania/id6479808767)

Prepare for your driving theory exam with personalized study plans and over 1700 practice questions. Master traffic rules using flashcards and track your progress with detailed statistics. The app covers all driving categories and aligns with official exam standards.

**Highlights:** Personalized study plans, 1700+ practice questions, Flashcards for rules, Progress tracking, Covers all driving categories, Official exam alignment

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 savaitės prenumerata | $6.99 | per 7 days |
| 1 mėnesio prenumerata | $24.99 | per month |
| 3 mėnesių prenumerata | $34.99 | per 3 months |


### Hidden History Project

[App page](https://appshunter.io/ios/app/hidden-history-project/id6777512333)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RoboKET free?

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

### Is Hidden History Project free?

Hidden History Project is free to download, with no in-app purchases.

### Do RoboKET or Hidden History Project have ads?

Neither RoboKET nor Hidden History Project shows ads.

### Which is updated more often, RoboKET or Hidden History Project?

RoboKET ships an update every 3 weeks, and Hidden History Project every 9 days. Most recently, RoboKET was updated on November 5, 2026 and Hidden History Project on November 5, 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.*