# Back in Time vs Univerzoom 3D

The clearest difference is price: Univerzoom 3D at $2.99 against Back in Time's $7.99. Univerzoom 3D also leads on update cadence (every 2 months vs every 7 months) and review sentiment (97% vs 84%). On rating, ads, in-app purchases and iOS requirement there is nothing between them.

Back in Time costs $7.99 and Univerzoom 3D $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Univerzoom 3D holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Univerzoom 3D has 289 ratings behind it against 25, so its average is the more settled of the two. Written reviews point the same way: 84% of Back in Time's written reviews are positive against 97% of Univerzoom 3D's.

Back in Time ships an update every 7 months, Univerzoom 3D every 2 months. The most recent releases landed on October 7, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Back in Time | Univerzoom 3D |
| --- | --- | --- |
| Price | $7.99 | **$2.99** |
| Rating | [4.6 (25 ratings)](https://appshunter.io/ios/app/back-in-time/id450345693/reviews) | **[4.8 (289 ratings)](https://appshunter.io/ios/app/univerzoom-3d-explore-scale/id1552648156/reviews)** |
| Number of ratings | 25 | **289** |
| Positive reviews | 83.7% of reviews | **97.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 836 MB | 255 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Landka](https://appshunter.io/developer/450345696) | [Linda Schnetzinger](https://appshunter.io/developer/1479825448) |

## 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


### Univerzoom 3D

[App page](https://appshunter.io/ios/app/univerzoom-3d-explore-scale/id1552648156)

Explore the vastness of the universe and the intricacies of the microcosmos with intuitive touch controls. Compare celestial bodies, everyday objects, and subatomic particles to grasp their true scale. Discover fascinating facts and learn about the cosmos and beyond.

**Highlights:** Intuitive gesture-based scaling, Explore universe to atomic levels, Compare sizes of diverse objects, Learn facts about celestial bodies, Text-to-Speech for facts, External resource links

**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 Univerzoom 3D free?

Univerzoom 3D costs $2.99, with no in-app purchases.

### Which has better reviews, Back in Time or Univerzoom 3D?

Univerzoom 3D is rated higher. Back in Time averages 4.6 out of 5 from 25 ratings, while Univerzoom 3D averages 4.8 from 289 ratings.

### Do Back in Time or Univerzoom 3D have ads?

Neither Back in Time nor Univerzoom 3D shows ads.

### Which is updated more often, Back in Time or Univerzoom 3D?

Back in Time ships an update every 7 months, and Univerzoom 3D every 2 months. Most recently, Back in Time was updated on October 7, 2026 and Univerzoom 3D on October 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*