# Idle Space Farmer Manager vs Alien Observer

The clearest difference is iOS requirement: Idle Space Farmer Manager at 13.0 against Alien Observer's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Idle Space Farmer Manager sells 12 one-off in-app purchases and Alien Observer sells 10 in-app purchases, starting at $29.99 per year. Whichever you choose, the download price is not the number that matters.

Idle Space Farmer Manager ships an update monthly, Alien Observer every 3 weeks. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Idle Space Farmer Manager | Alien Observer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (2.9K ratings)](https://appshunter.io/ios/app/idle-space-farmer-manager/id1545923550/reviews)** | — |
| Number of ratings | **2.9K** | — |
| Positive reviews | 66.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 319 MB | 640 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [Anxious Otter Games Ltd.](https://appshunter.io/developer/1382116966) | [Solebo LTD](https://appshunter.io/developer/1788368371) |

## What reviewers say

### Idle Space Farmer Manager

[App page](https://appshunter.io/ios/app/idle-space-farmer-manager/id1545923550)

Manage a space farm, collect anime-style agents (waifus), and earn idle profit. Upgrade your agents and farm to build a space empire and defeat monsters. Play offline or online to become a tycoon.

**Highlights:** Assign tasks to waifus, Upgrade agents for idle income, Earn money offline, Use unique agent skills, Prestige and explore planets, Farm different monsters, Collect new waifus via gacha

**Features:** macOS Compatibility

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Welcome Pack | $0.99 | one-time |
| New Player Bundle | $1.99 | one-time |
| Super Speed Offer | $2.99 | one-time |
| Investigation Survival Pack | $2.99 | one-time |
| Double Idle Cash | $4.99 | one-time |
| Ameteur Investigator Pack | $4.99 | one-time |
| Double Cash & Idle Cash | $6.99 | one-time |
| Legendary Chest Bundle | $6.99 | one-time |
| Starter Offer | $9.99 | one-time |
| Farm Boosting Offer | $14.99 | one-time |
| Small Chest of Super Cash | $19.99 | one-time |
| Farm Upgrade Offer | $19.99 | one-time |

**What reviewers like**

- 👍 Enjoyable gameplay
- 💎 Attractive character designs
- 🕹️ Fun idle mechanics
- 🎨 Good visual quality

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 💰 Expensive in-app purchases
- 📤 Cloud save issues
- 🚫 Stolen character designs

**Reported bugs**

- Game crashes on launch
- Cloud save not working
- Prestige reset not functioning
- Ads causing game to freeze

**Requested features**

- Add 3D character animations
- Implement a reset/restart option
- Improve the ad system
- Enhance the character gacha system


### Alien Observer

[App page](https://appshunter.io/ios/app/alien-observer/id6768049383)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Season Pass | $29.99 | per year |
| Full Reactor Refill | $1.99 | one-time |
| Data Storage License | $1.99 | one-time |
| Pet: Laika | $3.99 | one-time |
| DLC Pet: Ham | $3.99 | one-time |
| Pet: Cow | $3.99 | one-time |
| Pet: HAL9000 | $3.99 | one-time |
| Advanced Autopilot | $4.99 | one-time |
| DLC Pets Pack | $9.99 | one-time |
| Chapter 2 License | $19.99 | one-time |


## Frequently asked questions

### Is Idle Space Farmer Manager free?

Idle Space Farmer Manager is free to download, with in-app purchases available.

### Is Alien Observer free?

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

### Do Idle Space Farmer Manager or Alien Observer have ads?

Both Idle Space Farmer Manager and Alien Observer show ads.

### Which is updated more often, Idle Space Farmer Manager or Alien Observer?

Idle Space Farmer Manager ships an update monthly, and Alien Observer every 3 weeks. Most recently, Idle Space Farmer Manager was updated on October 27, 2026 and Alien Observer on October 28, 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.*