# Preserve™ vs SudoEarth

The clearest difference is ads: SudoEarth at none against Preserve™'s shown. Preserve™'s advantage is update cadence (daily vs weekly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Preserve™ sells 5 one-off in-app purchases and SudoEarth sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Preserve™ ships an update daily, SudoEarth weekly. The most recent releases landed on October 18, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Preserve™ | SudoEarth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.1K ratings)](https://appshunter.io/ios/app/preserve/id6739257316/reviews)** | — |
| Number of ratings | **1.1K** | — |
| Positive reviews | 70.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 789 MB | 30 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Plug In Digital](https://appshunter.io/developer/608306412) | [月 胡](https://appshunter.io/developer/1601604273) |

## What reviewers say

### Preserve™

[App page](https://appshunter.io/ios/app/preserve/id6739257316)

A peaceful puzzle game where you build vibrant ecosystems by strategically placing flora and fauna cards. Explore different biomes, unlock natural wonders, and enjoy a relaxing gameplay experience with a soothing soundtrack and charming visuals.

**Highlights:** Build living biomes, Match flora and fauna synergies, Multiple gameplay modes, Unlock natural wonders, Discover secret patterns, Soothing visuals and soundtrack

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Jurassic Biome | $2.99 | one-time |
| Marine Biome | $2.99 | one-time |
| Savanna Biome | $2.99 | one-time |
| Iceage Biome | $2.99 | one-time |
| Bundle 3 biomes | $6.99 | one-time |

**What reviewers like**

- 👍 Peaceful and pretty
- 👍 Relaxing gameplay
- 👍 Great game

**What reviewers complain about**

- 💰 Paid levels after first free stage
- 🐛 Crashes on level 1
- 🔍 Hard to see details on small screens

**Reported bugs**

- Crashes on level 1
- Crashes on startup

**Requested features**

- Graphics upgrades
- Tablet support


### SudoEarth

[App page](https://appshunter.io/ios/app/sudoearth/id6765543717)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SudoEarth Premium · Monthly | $2.99 | per month |
| SudoEarth Premium · Yearly | $19.99 | per year |


## Frequently asked questions

### Is Preserve™ free?

Preserve™ is free to download, with in-app purchases available.

### Is SudoEarth free?

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

### Do Preserve™ or SudoEarth have ads?

Preserve™ shows ads; SudoEarth does not.

### Which is updated more often, Preserve™ or SudoEarth?

Preserve™ ships an update daily, and SudoEarth weekly. Most recently, Preserve™ was updated on October 18, 2026 and SudoEarth on October 19, 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.*