# Planetary Idle vs IMUNO

The clearest difference is in-app purchases: IMUNO at none against Planetary Idle's 3. On price, update cadence, ads and device support there is nothing between them.

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

Planetary Idle ships an update weekly, IMUNO every 5 days. The most recent releases landed on November 3, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Planetary Idle | IMUNO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (81 ratings)](https://appshunter.io/ios/app/planetary-idle/id6450142774/reviews)** | — |
| Number of ratings | **81** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 112 MB | 270 MB |
| Requires iOS | 17 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | +4 |
| Developer | [Roberto Frias Nerio](https://appshunter.io/developer/1692039143) | [Clinica Medica Sampaio e Goncalves LTDA](https://appshunter.io/developer/1861613750) |

## What reviewers say

### 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 |


### IMUNO

[App page](https://appshunter.io/ios/app/imuno-idle-immune-system/id6813722805)

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

**In-app purchases:** none


## Frequently asked questions

### Is Planetary Idle free?

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

### Is IMUNO free?

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

### Do Planetary Idle or IMUNO have ads?

Both Planetary Idle and IMUNO show ads.

### Which is updated more often, Planetary Idle or IMUNO?

Planetary Idle ships an update weekly, and IMUNO every 5 days. Most recently, Planetary Idle was updated on November 3, 2026 and IMUNO on October 26, 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.*