# TimeCrystal vs Hebrew Mastery

The clearest difference is ads: TimeCrystal at none against Hebrew Mastery's shown. Hebrew Mastery's advantage is update cadence (every 3 days vs fortnightly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TimeCrystal ships an update fortnightly, Hebrew Mastery every 3 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | TimeCrystal | Hebrew Mastery |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (9 ratings)](https://appshunter.io/ios/app/timecrystal-ai-time-machine/id6449464951/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 107 MB | 36 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Pulsar Innovations LLC](https://appshunter.io/developer/1689227458) | [Volodymyr Garnovskyi](https://appshunter.io/developer/1879746840) |

## What reviewers say

### TimeCrystal

[App page](https://appshunter.io/ios/app/timecrystal-ai-time-machine/id6449464951)

Explore history through AI-powered virtual time travel. Engage with historical figures, uncover major events, and learn about daily life, art, culture, and technology from different eras. Your journey through time is personalized and saved for easy access.

**Highlights:** AI-powered time travel, Explore historical events, Engage with historical figures, Discover art and culture, Learn about daily life, Track technological advancements, Personalized journey history

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

**In-app purchases:** none


### Hebrew Mastery

[App page](https://appshunter.io/ios/app/hebrew-mastery/id6759601617)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TimeCrystal free?

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

### Is Hebrew Mastery free?

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

### Do TimeCrystal or Hebrew Mastery have ads?

Hebrew Mastery shows ads; TimeCrystal does not.

### Which is updated more often, TimeCrystal or Hebrew Mastery?

TimeCrystal ships an update fortnightly, and Hebrew Mastery every 3 days. Most recently, TimeCrystal was updated on November 3, 2026 and Hebrew Mastery on October 31, 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.*