# Back in Time for iPhone vs Go Perform Skills

The clearest difference is price: Go Perform Skills at Free against Back in Time for iPhone's $4.99. Go Perform Skills also leads on update cadence (every 3 weeks vs every 8 months) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

Go Perform Skills is free to download; Back in Time for iPhone costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Back in Time for iPhone ships an update every 8 months, Go Perform Skills every 3 weeks. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Back in Time for iPhone | Go Perform Skills |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[3.8 (16 ratings)](https://appshunter.io/ios/app/back-in-time-for-iphone/id483148811/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 71.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 625 MB | 63 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Landka](https://appshunter.io/developer/450345696) | [Go Sell](https://appshunter.io/developer/1549453338) |

## What reviewers say

### Back in Time for iPhone

[App page](https://appshunter.io/ios/app/back-in-time-for-iphone/id483148811)

Explore the history of the universe, Earth, life, and civilization through interactive timelines, stunning visuals, and custom animations. This app offers an immersive learning experience with social and historical context for key events.

**Highlights:** Interactive timelines, Over 350 images, 60+ animations and videos, 200+ interesting facts, Offline access, Multilingual support

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

**In-app purchases:** none


### Go Perform Skills

[App page](https://appshunter.io/ios/app/go-perform-skills/id6738701411)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Back in Time for iPhone free?

Back in Time for iPhone costs $4.99, with no in-app purchases.

### Is Go Perform Skills free?

Go Perform Skills is free to download, with no in-app purchases.

### Do Back in Time for iPhone or Go Perform Skills have ads?

Neither Back in Time for iPhone nor Go Perform Skills shows ads.

### Which is updated more often, Back in Time for iPhone or Go Perform Skills?

Back in Time for iPhone ships an update every 8 months, and Go Perform Skills every 3 weeks. Most recently, Back in Time for iPhone was updated on October 23, 2026 and Go Perform Skills on October 25, 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.*