# Universal Library vs Rewind Survivor

The clearest difference is device support: Rewind Survivor at 3 against Universal Library's 1. Universal Library's advantage is iOS requirement (12.0 vs 15.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Universal Library | Rewind Survivor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (10 ratings)](https://appshunter.io/ios/app/rewind-survivor/id6759512488/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 40 months | — |
| Monetization | — | Free |
| Size | 180 MB | 4 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Jonathan Millen](https://appshunter.io/developer/1252268308) | [Campbell Dalen](https://appshunter.io/developer/1879174514) |

## What reviewers say

### Universal Library

[App page](https://appshunter.io/ios/app/universal-library/id1503995339)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rewind Survivor

[App page](https://appshunter.io/ios/app/rewind-survivor/id6759512488)

In this wave survival game, death is a strategic advantage. Each time you fall, time rewinds and your past self becomes a ghost fighting alongside you. Face increasingly dangerous enemies and unlock powerful upgrades to survive.

**Highlights:** Unique rewind death mechanic, Past selves fight as ghosts, 9 enemy types with distinct AI, 9 power-ups with upgrade tiers, 4 super power-ups, Handcrafted pixel art, Cosmetic skins and trails

**In-app purchases:** none


## Frequently asked questions

### Is Universal Library free?

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

### Is Rewind Survivor free?

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

### Do Universal Library or Rewind Survivor have ads?

Neither Universal Library nor Rewind Survivor shows ads.

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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.*