# iSpy™ vs Four Square

The clearest difference is rating: Four Square at 5.0 against iSpy™'s 2.1. Four Square also leads on update cadence (daily vs every 9 months). iSpy™'s advantage is device support (3 vs 1) and iOS requirement (6.0 vs 16.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Four Square holds the better App Store score, 5.0 against 2.1. Both are backed by a comparable volume of ratings — 11 and 4 respectively.

iSpy™ ships an update every 9 months, Four Square daily. The most recent releases landed on October 9, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | iSpy™ | Four Square |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (11 ratings)](https://appshunter.io/ios/app/ispy/id1029609207/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/four-square-reaction-game/id6484319772/reviews)** |
| Number of ratings | **11** | 4 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Daily** |
| Monetization | Free | Free |
| Size | 114 MB | 15 MB |
| Requires iOS | **6.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Poptacular Ltd](https://appshunter.io/developer/652945713) | [Elo Book LLC](https://appshunter.io/developer/1724284871) |

## What reviewers say

### iSpy™

[App page](https://appshunter.io/ios/app/ispy/id1029609207)

Engage in a classic "I spy" game with friends or players worldwide. Snap photos, hide objects, and challenge others to guess. Earn coins, climb leaderboards, and participate in daily and global challenges.

**Highlights:** Play "I spy" with friends, Guess hidden objects, Snap a pic and hide objects, Challenge friends via SMS, email, social media, Friend leaderboards, Global player-generated levels, Daily challenges and prizes

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

**In-app purchases:** none


### Four Square

[App page](https://appshunter.io/ios/app/four-square-reaction-game/id6484319772)

Test your reflexes in this quick-reaction game. Tap solid squares and avoid blank ones within a 15-second time limit. It's a simple yet challenging test of speed and accuracy.

**Highlights:** Tap solid squares, Avoid blank squares, 15-second time limit, Simple controls, Reaction test

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iSpy™ free?

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

### Is Four Square free?

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

### Which has better reviews, iSpy™ or Four Square?

Four Square is rated higher. iSpy™ averages 2.1 out of 5 from 11 ratings, while Four Square averages 5.0 from 4 ratings.

### Do iSpy™ or Four Square have ads?

Neither iSpy™ nor Four Square shows ads.

### Which is updated more often, iSpy™ or Four Square?

iSpy™ ships an update every 9 months, and Four Square daily. Most recently, iSpy™ was updated on October 9, 2026 and Four Square on October 3, 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.*