# Back in Time vs The Solar System

The clearest difference is price: The Solar System at $1.99 against Back in Time's $7.99. The Solar System also leads on iOS requirement (12.0 vs 16.0). Back in Time's advantage is update cadence (every 7 months vs every 29 months). On ads, in-app purchases and device support there is nothing between them.

Back in Time costs $7.99 and The Solar System $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Back in Time ships an update every 7 months, The Solar System every 29 months. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Back in Time | The Solar System |
| --- | --- | --- |
| Price | $7.99 | **$1.99** |
| Rating | **[4.7 (27 ratings)](https://appshunter.io/ios/app/back-in-time/id450345693/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 83.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 29 months |
| Monetization | Paid | — |
| Size | 836 MB | 112 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Landka](https://appshunter.io/developer/450345696) | [Ventura Educational Systems](https://appshunter.io/developer/371324172) |

## 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


### The Solar System

[App page](https://appshunter.io/ios/app/the-solar-system-ar/id1322087991)

**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 The Solar System free?

The Solar System costs $1.99, with no in-app purchases.

### Do Back in Time or The Solar System have ads?

Neither Back in Time nor The Solar System shows ads.

### Which is updated more often, Back in Time or The Solar System?

Back in Time ships an update every 7 months, and The Solar System every 29 months. Most recently, Back in Time was updated on October 24, 2026 and The Solar System on October 14, 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.*