# Save Trees vs Mad Evolution

The clearest difference is ads: Save Trees at none against Mad Evolution's shown. Save Trees also leads on update cadence (every 2 days vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Save Trees sells 5 one-off in-app purchases and Mad Evolution sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Save Trees ships an update every 2 days, Mad Evolution every 2 weeks. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Save Trees | Mad Evolution |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (43 ratings)](https://appshunter.io/ios/app/mad-evolution-idle-merge/id6742938209/reviews)** |
| Number of ratings | — | **43** |
| Positive reviews | — | 40.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 41 MB | 186 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Saurav Nagpal](https://appshunter.io/developer/1631725055) | [Oleksandr Mykhailov](https://appshunter.io/developer/1036995762) |

## What reviewers say

### Save Trees

[App page](https://appshunter.io/ios/app/save-trees/id1631725053)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tree | $0.29 | one-time |
| Trowel | $0.29 | one-time |
| Chipko Movement | $0.29 | one-time |
| Slow Mo | $0.29 | one-time |
| Big Tree | $0.39 | one-time |


### Mad Evolution

[App page](https://appshunter.io/ios/app/mad-evolution-idle-merge/id6742938209)

Fuse and evolve quirky monsters to create a bizarre empire. Earn coins non-stop, even offline, and unlock strange new worlds. This idle merge game offers simple yet addictive gameplay with absurd boosters for endless progression.

**Highlights:** Fuse and evolve monsters, Earn coins offline, Unlock new worlds, Upgrade creatures and chests, Use powerful boosters, Infinite upgrades

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Pack | $2.99 | one-time |
| Disable Ads | $2.99 | one-time |
| Tanos Finger | $3.99 | one-time |
| Chestplosion | $3.99 | one-time |
| Mergonator | $4.99 | one-time |
| Gold Rush | $4.99 | one-time |
| Handy Stack | $4.99 | one-time |
| Starter Pack | $7.99 | one-time |
| Chaos Bundle | $12.99 | one-time |
| Fat Bundle | $12.99 | one-time |


## Frequently asked questions

### Is Save Trees free?

Save Trees is free to download, with in-app purchases available.

### Is Mad Evolution free?

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

### Do Save Trees or Mad Evolution have ads?

Mad Evolution shows ads; Save Trees does not.

### Which is updated more often, Save Trees or Mad Evolution?

Save Trees ships an update every 2 days, and Mad Evolution every 2 weeks. Most recently, Save Trees was updated on November 7, 2026 and Mad Evolution on November 8, 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.*