# Einstein™ Brain Training vs Hidden Through Time 2

The clearest difference is review sentiment: Einstein™ Brain Training at 86% against Hidden Through Time 2's 54%. Einstein™ Brain Training also leads on rating (4.3 vs 3.9) and chart position (#64 vs unranked). On price, ratings volume, update cadence and ads there is nothing between them.

Einstein™ Brain Training costs $2.99 and Hidden Through Time 2 $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Einstein™ Brain Training holds the better App Store score, 4.3 against 3.9. Both are backed by a comparable volume of ratings — 26 and 22 respectively. Written reviews point the same way: 86% of Einstein™ Brain Training's written reviews are positive against 54% of Hidden Through Time 2's.

Einstein™ Brain Training ships an update every 2 months, Hidden Through Time 2 every 3 months. Both last shipped on September 28, 2026.

## The numbers

| Metric | Einstein™ Brain Training | Hidden Through Time 2 |
| --- | --- | --- |
| Price | $2.99 | $2.99 |
| Rating | **[4.3 (26 ratings)](https://appshunter.io/ios/app/einstein-brain-training/id516023543/reviews)** | [3.9 (22 ratings)](https://appshunter.io/ios/app/hidden-through-time-2-magic/id6453763474/reviews) |
| Number of ratings | **26** | 22 |
| Positive reviews | **85.7% of reviews** | 53.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Paid | Paid |
| Best chart rank | **#64** | — |
| Size | 1.0 GB | 509 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BBG Entertainment GmbH](https://appshunter.io/developer/416798604) | [Rogueside NV](https://appshunter.io/developer/413995298) |

## What reviewers say

### Einstein™ Brain Training

[App page](https://appshunter.io/ios/app/einstein-brain-training/id516023543)

**Currently charting:** #64 Top Paid · Trivia (US App Store)

Engage in 30 daily memory, math, and logic games designed to keep your mind sharp. Guided by Albert Einstein, this app offers scientific explanations for each exercise and tracks your progress with detailed statistics.

**Highlights:** 30 cognitive training games, Scientific background for exercises, Daily brain health tests, Dynamic difficulty adjustment, Detailed player statistics, Multiplayer profiles

**In-app purchases:** none

**What reviewers like**

- 🧠 Effective brain training exercises
- 💰 Affordable pricing compared to competitors
- 🎮 Variety of different game types
- 🎨 Colorful and appealing graphics
- 📊 Data-backed training methodology

**What reviewers complain about**

- 🐛 Touch input not registering properly
- ⏱️ Slow interface and loading times
- 📱 Small buttons and text on mobile screens
- 🎯 Screen sliding/navigation issues
- 🎨 Poor color contrast for colorblind users

**Reported bugs**

- Touch input not registering correct button presses
- Screen unintentionally slides left during gameplay
- Robo's Path game unplayable after updates
- Rock, Paper, Scissors game shows incorrect results
- Catch Me If You Can doesn't respond to finger input

**Requested features**

- Larger buttons and text for better usability
- Ability to pause games mid-play
- More frequent updates and new games
- Multiplayer/competitive features with other users
- Better progress analytics and score comparison


### Hidden Through Time 2

[App page](https://appshunter.io/ios/app/hidden-through-time-2-magic/id6453763474)

Embark on an enchanted adventure searching for hidden objects in beautifully hand-drawn worlds. Utilize a unique Reality Shift feature to explore maps in different states, uncovering secrets and advancing through a captivating story mode across four magical eras.

**Highlights:** Hidden object searching, Story mode across magical eras, Reality Shift (Day/Night, Summer/Winter), Unlockable items and worlds, Hand-drawn 2D graphics, Playful and cozy atmosphere

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Einstein™ Brain Training free?

Einstein™ Brain Training costs $2.99, with no in-app purchases.

### Is Hidden Through Time 2 free?

Hidden Through Time 2 costs $2.99, with no in-app purchases.

### Which has better reviews, Einstein™ Brain Training or Hidden Through Time 2?

Einstein™ Brain Training is rated higher. Einstein™ Brain Training averages 4.3 out of 5 from 26 ratings, while Hidden Through Time 2 averages 3.9 from 22 ratings.

### Do Einstein™ Brain Training or Hidden Through Time 2 have ads?

Neither Einstein™ Brain Training nor Hidden Through Time 2 shows ads.

### Which is updated more often, Einstein™ Brain Training or Hidden Through Time 2?

Einstein™ Brain Training ships an update every 2 months, and Hidden Through Time 2 every 3 months. Most recently, Einstein™ Brain Training was updated on September 28, 2026 and Hidden Through Time 2 on September 28, 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.*