# Space Academy Idle vs INTEREST.EXE

The clearest difference is in-app purchases: INTEREST.EXE at none against Space Academy Idle's 4. INTEREST.EXE also leads on update cadence (every 6 days vs every 3 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Space Academy Idle sells 4 one-off in-app purchases. INTEREST.EXE asks for nothing beyond the download.

Space Academy Idle ships an update every 3 weeks, INTEREST.EXE every 6 days. The most recent releases landed on October 25, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Space Academy Idle | INTEREST.EXE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (9 ratings)](https://appshunter.io/ios/app/space-academy-idle/id6755444449/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 111 MB | 12 MB |
| Requires iOS | 17 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Roberto Frias Nerio](https://appshunter.io/developer/1692039143) | [Local Marketing Group Pty Ltd](https://appshunter.io/developer/1626781254) |

## What reviewers say

### Space Academy Idle

[App page](https://appshunter.io/ios/app/space-academy-idle/id6755444449)

Construct and expand a futuristic space academy, recruiting students and training them in various disciplines. Watch your academy grow and unlock new opportunities as graduates increase its value. Prestige to earn permanent progression and climb leaderboards.

**Highlights:** Build and upgrade a futuristic space academy, Unlock new buildings and optimize campus, Train students across multiple knowledge disciplines, Recruit gifted students with unique bonuses, Collect daily rewards and special gifts, Prestige with Endowments for permanent progression, Grow academy even while offline

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Box | $1.99 | one-time |
| Medium Box | $3.99 | one-time |
| Shipment | $6.99 | one-time |
| XL Shipment | $12.99 | one-time |


### INTEREST.EXE

[App page](https://appshunter.io/ios/app/interestexe/id6806879540)

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

**In-app purchases:** none


## Frequently asked questions

### Is Space Academy Idle free?

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

### Is INTEREST.EXE free?

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

### Do Space Academy Idle or INTEREST.EXE have ads?

Both Space Academy Idle and INTEREST.EXE show ads.

### Which is updated more often, Space Academy Idle or INTEREST.EXE?

Space Academy Idle ships an update every 3 weeks, and INTEREST.EXE every 6 days. Most recently, Space Academy Idle was updated on October 25, 2026 and INTEREST.EXE on October 18, 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.*