Shrimp.io vs Planetary Idle
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Shrimp.io
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.
- Consume microplastics
- Destroy fish and creatures
- Upgrade your shrimp
- Multiple enemy types
- Multiple maps
- Ad revenue donation to charity
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over 2.7 million combinations of items 60 enemies, including 12 mini-bosses right now 2 maps right now. play as a shrimp destroy all the fishys and Creatures, collect their microplastics and upgrade your shrimp. made in 2 weeks, by an unexperienced game developer, so don't be sad please. and currently 5% of ad revenue will be donated at the end of each month to an ocean plastic cleanup charity on my choice.
Planetary Idle
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.
- 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
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Discover planets with a retro sci-fi idle theme with Planetary Idle! • Hire Scientists - Generate steady passive income and scale your operation. • Tap to Boost - Tap for extra cash when you’re active. • Research Expeditions - Spend money and brave scientists on one-way missions for discoveries and income bonuses! • Prestige - Reset, keep permanent upgrades, blast past your previous best. • QBits & Upgrades - Earn rare QBits and unlock powerful perks. • Play Your Pace - Short bursts or long idles; progress for 6 hours when offline. • Game Center - Many achievements to unlock!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Shrimp.io | Planetary Idle |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (21 ratings) | 4.8 (77 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 21 | 77 — better |
| Update frequency | Every 4 days — better | Weekly |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17 |
| Further details — not scored | ||
| Size | 63 MB | 112 MB |
| Age rating | 4+ | 4+ |
| Developer | Jaxon Gallegos Garcia | Roberto Frias Nerio |
Customer experience
Shrimp.io
Planetary Idle
In-app purchases
Shrimp.io
No in-app purchases
Planetary Idle
- Booster Pack$0.99
- Research Pack$2.99
- Quantum Pack$6.99
