# Back in Time vs eMathMind

The clearest difference is price: eMathMind at Free against Back in Time's $7.99. eMathMind also leads on update cadence (every 3 weeks vs every 7 months) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

eMathMind is free to download; Back in Time costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Back in Time ships an update every 7 months, eMathMind every 3 weeks. The most recent releases landed on November 6, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Back in Time | eMathMind |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[4.7 (27 ratings)](https://appshunter.io/ios/app/back-in-time/id450345693/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 75.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 836 MB | 35 MB |
| Requires iOS | 16.0 | **10.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Landka](https://appshunter.io/developer/450345696) | [Patrick Michael Grimes](https://appshunter.io/developer/1736711608) |

## What reviewers say

### Back in Time

[App page](https://appshunter.io/ios/app/back-in-time/id450345693)

Explore the history of the Universe, Earth, Life, and Civilization through an immersive, interactive journey. This app uses custom animations, timelines, and interesting facts to bring historical events to life. It's designed to help users understand the connections between events and see the bigger picture.

**Highlights:** Interactive timeline of events, Custom animations and videos, Over 350 remarkable images, Little-known interesting facts, Offline access, Multilingual support

**Features:** macOS Compatibility

**In-app purchases:** none


### eMathMind

[App page](https://appshunter.io/ios/app/emathmind/id1660211786)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Back in Time free?

Back in Time costs $7.99, with no in-app purchases.

### Is eMathMind free?

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

### Do Back in Time or eMathMind have ads?

Neither Back in Time nor eMathMind shows ads.

### Which is updated more often, Back in Time or eMathMind?

Back in Time ships an update every 7 months, and eMathMind every 3 weeks. Most recently, Back in Time was updated on November 6, 2026 and eMathMind on October 27, 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.*