# Idle Pet vs BIG FISH! Idle Evolution

The clearest difference is ads: BIG FISH! Idle Evolution at none against Idle Pet's shown. BIG FISH! Idle Evolution also leads on update cadence (daily vs every 8 days). Idle Pet's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price and in-app purchases there is nothing between them.

Both are free to download. Idle Pet sells 10 one-off in-app purchases and BIG FISH! Idle Evolution sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Idle Pet ships an update every 8 days, BIG FISH! Idle Evolution daily. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Idle Pet | BIG FISH! Idle Evolution |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (372 ratings)](https://appshunter.io/ios/app/idle-pet-create-cell-by-cell/id1499958806/reviews)** | — |
| Number of ratings | **372** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 days | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 238 MB | 188 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [AA2G1 LTD](https://appshunter.io/developer/1435150054) | [Sergey Li](https://appshunter.io/developer/1602450113) |

## What reviewers say

### Idle Pet

[App page](https://appshunter.io/ios/app/idle-pet-create-cell-by-cell/id1499958806)

Build and evolve virtual pets from their skeletal structure. Grow organs from stem cells and unlock new animal creations. Experience a unique idle tycoon game focused on biological creation.

**Highlights:** Cell-by-cell pet creation, Organ growth from stem cells, Skeleton construction, Pet evolution simulator, Idle tycoon gameplay, Cute animal creator

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Open Human | $0.99 | one-time |
| 60 Crystals | $1.99 | one-time |
| Open Girl | $1.99 | one-time |
| Disable Ads | $2.99 | one-time |
| 120 Crystals | $2.99 | one-time |
| 300 Crystals | $4.99 | one-time |
| Open Unicorn | $4.99 | one-time |
| Open Elephant | $4.99 | one-time |
| 700 Crystals | $8.99 | one-time |
| 2000 Crystals | $23.99 | one-time |

**What reviewers like**

- 📚 Educational content about animal anatomy
- 🎮 Fun and addictive gameplay mechanics
- 🦁 Diverse animal selection to unlock
- 🎨 Good graphics and visual design
- 👶 Suitable for children learning biology

**What reviewers complain about**

- 📺 Excessive and intrusive advertisements
- 💰 Aggressive monetization strategy
- ⚠️ Forced ads even when declining rewards
- 🐛 Game crashes and won't load
- ⏳ Extremely slow progression without ads

**Reported bugs**

- Game stuck on loading screen or title screen
- Game won't load after reinstalling
- Black screen on startup
- Game crashes at 90% loading bar
- Clicking 'no ads' option still shows ads

**Requested features**

- Add lion to the game
- Add frog, raccoon, snake, and fox animals
- Add tortoise and rabbit
- Add capybara
- Replace unicorn with horse or narwhal


### BIG FISH! Idle Evolution

[App page](https://appshunter.io/ios/app/big-fish-idle-evolution/id6820312714)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Gems | $0.99 | one-time |
| Starter Bundle | $2.99 | one-time |
| 550 Gems | $4.99 | one-time |
| 1,200 Gems | $9.99 | one-time |
| 2,600 Gems | $19.99 | one-time |


## Frequently asked questions

### Is Idle Pet free?

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

### Is BIG FISH! Idle Evolution free?

BIG FISH! Idle Evolution is free to download, with in-app purchases available.

### Do Idle Pet or BIG FISH! Idle Evolution have ads?

Idle Pet shows ads; BIG FISH! Idle Evolution does not.

### Which is updated more often, Idle Pet or BIG FISH! Idle Evolution?

Idle Pet ships an update every 8 days, and BIG FISH! Idle Evolution daily. Most recently, Idle Pet was updated on November 3, 2026 and BIG FISH! Idle Evolution on October 31, 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.*