# Shrimp.io vs Planetary Idle

Shrimp.io and Planetary Idle both sit at 4.7 stars, but that hides the real split: 100% of Shrimp.io's written reviews are positive against 50% of Planetary Idle's. Shrimp.io also leads on in-app purchases (none vs 3) and iOS requirement (12.0 vs 17). Planetary Idle's advantage is ratings volume (77 vs 21). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Planetary Idle sells 3 one-off in-app purchases. Shrimp.io asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Shrimp.io against 4.8 for Planetary Idle. Both are backed by a comparable volume of ratings — 21 and 77 respectively. Written reviews are what separate them: 100% of Shrimp.io's written reviews are positive against 50% of Planetary Idle's.

Shrimp.io ships an update every 4 days, Planetary Idle weekly. The most recent releases landed on August 15, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Shrimp.io | Planetary Idle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (21 ratings)](https://appshunter.io/ios/app/shrimpio/id6443960828/reviews) | **[4.8 (77 ratings)](https://appshunter.io/ios/app/planetary-idle/id6450142774/reviews)** |
| Number of ratings | 21 | **77** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 63 MB | 112 MB |
| Requires iOS | **12.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jaxon Gallegos Garcia](https://appshunter.io/developer/1628171818) | [Roberto Frias Nerio](https://appshunter.io/developer/1692039143) |

## What reviewers say

### Shrimp.io

[App page](https://appshunter.io/ios/app/shrimpio/id6443960828)

Play as a shrimp, consuming microplastics and destroying fish. Upgrade your shrimp with collected resources. A portion of ad revenue is donated to ocean cleanup charities.

**Highlights:** Consume microplastics, Destroy fish and creatures, Upgrade your shrimp, Multiple enemy types, Multiple maps, Ad revenue donation to charity

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

**In-app purchases:** none


### Planetary Idle

[App page](https://appshunter.io/ios/app/planetary-idle/id6450142774)

Explore planets with a retro sci-fi idle theme. Hire scientists for passive income, tap for boosts, and research expeditions for discoveries. Prestige to reset with permanent upgrades and unlock perks with rare QBits.

**Highlights:** Hire Scientists for passive income, Tap to boost active income, Research expeditions for discoveries, Prestige system with permanent upgrades, Earn QBits for powerful perks, Offline progress for 6 hours

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Booster Pack | $0.99 | one-time |
| Research Pack | $2.99 | one-time |
| Quantum Pack | $6.99 | one-time |


## Frequently asked questions

### Is Shrimp.io free?

Shrimp.io is free to download, with no in-app purchases.

### Is Planetary Idle free?

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

### Which has better reviews, Shrimp.io or Planetary Idle?

Planetary Idle is rated higher. Shrimp.io averages 4.7 out of 5 from 21 ratings, while Planetary Idle averages 4.8 from 77 ratings.

### Do Shrimp.io or Planetary Idle have ads?

Both Shrimp.io and Planetary Idle show ads.

### Which is updated more often, Shrimp.io or Planetary Idle?

Shrimp.io ships an update every 4 days, and Planetary Idle weekly. Most recently, Shrimp.io was updated on August 15, 2026 and Planetary Idle on September 12, 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.*