# Sloth Evolution vs HeadPop!

The clearest difference is in-app purchases: HeadPop! at none against Sloth Evolution's 15. HeadPop! also leads on rating (5.0 vs 4.8) and update cadence (every 3 weeks vs every 6 weeks). Sloth Evolution's advantage is ratings volume (141 vs 4). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sloth Evolution sells 15 one-off in-app purchases. HeadPop! asks for nothing beyond the download.

HeadPop! holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Sloth Evolution has 141 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 91% of Sloth Evolution's written reviews are positive against 100% of HeadPop!'s.

Sloth Evolution ships an update every 6 weeks, HeadPop! every 3 weeks. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Sloth Evolution | HeadPop! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (141 ratings)](https://appshunter.io/ios/app/sloth-evolution-merge-game/id1304363501/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/headpop/id6740884132/reviews)** |
| Number of ratings | **141** | 4 |
| Positive reviews | 90.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 156 MB | 64 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TPG TECNOLOGIA DA INFORMACAO LTDA](https://appshunter.io/developer/444343830) | [Jordan Feldstein LLC](https://appshunter.io/developer/1724417912) |

## What reviewers say

### Sloth Evolution

[App page](https://appshunter.io/ios/app/sloth-evolution-merge-game/id1304363501)

Combine mutant sloth species to discover new breeds and unlock their hidden potential. This idle evolution game features a unique story, doodle-like illustrations, and open-ended gameplay.

**Highlights:** Combine mutant sloth species, Discover new sloth breeds, Unlock hidden potential, Idle clicker gameplay, Unique story with twists, Doodle-like illustrations

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

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Alien Currency Pack 1 | $1.99 | one-time |
| Hard Currency Pack Offer | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Hard Currency Pack 1 | $1.99 | one-time |
| Promo Bundles Very High | $2.99 | one-time |
| Shop Bundle 1 | $2.99 | one-time |
| Hard Currency Pack 2 | $4.99 | one-time |
| Alien Currency Pack 2 | $5.99 | one-time |
| Shop Bundle 2 | $5.99 | one-time |
| Promo Bundles High | $5.99 | one-time |
| Trinket | $6.99 | one-time |
| Hard Currency Pack 3 | $9.99 | one-time |
| Starter Bundle Discount | $9.99 | one-time |
| Promo Bundles Full | $11.99 | one-time |
| Hard Currency Pack 4 | $19.99 | one-time |


### HeadPop!

[App page](https://appshunter.io/ios/app/headpop/id6740884132)

A fast-paced, fun game that uses only your head to play. Prop up your phone and jump into the action for solo or multiplayer challenges. Simple to learn and endlessly entertaining for any occasion.

**Highlights:** Head-controlled gameplay, Fast-paced action, Solo play mode, Multiplayer challenges, Simple controls, Endlessly entertaining

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sloth Evolution free?

Sloth Evolution is free to download, with in-app purchases available.

### Is HeadPop! free?

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

### Which has better reviews, Sloth Evolution or HeadPop!?

HeadPop! is rated higher. Sloth Evolution averages 4.8 out of 5 from 141 ratings, while HeadPop! averages 5.0 from 4 ratings.

### Do Sloth Evolution or HeadPop! have ads?

Both Sloth Evolution and HeadPop! show ads.

### Which is updated more often, Sloth Evolution or HeadPop!?

Sloth Evolution ships an update every 6 weeks, and HeadPop! every 3 weeks. Most recently, Sloth Evolution was updated on October 13, 2026 and HeadPop! on October 2, 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.*