# Hidden Numbers vs 6 Differences

The clearest difference is in-app purchases: 6 Differences at none against Hidden Numbers's 10. 6 Differences also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Hidden Numbers sells 10 one-off in-app purchases. 6 Differences asks for nothing beyond the download.

Hidden Numbers ships an update every 81 months, 6 Differences every 43 months. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Hidden Numbers | 6 Differences |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/hidden-numbers-hidden-objects/id1227396653/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 81 months | **Every 43 months** |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 131 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Hiren Patel](https://appshunter.io/developer/914022084) | [Hieu Hoang](https://appshunter.io/developer/1108291419) |

## What reviewers say

### Hidden Numbers

[App page](https://appshunter.io/ios/app/hidden-numbers-hidden-objects/id1227396653)

Engage in a visual challenge to find hidden numbers within beautiful scenes. Test your observation skills by spotting differences and racing against the clock. Unlock new packs and levels with in-app purchases.

**Highlights:** Find 10 hidden numbers, Spot differences in pictures, 30 beautiful background scenes, Use hints for assistance, Challenge other players, Share scores on social media

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| buy pack-1 | $0.99 | one-time |
| buy pack-2 | $0.99 | one-time |
| buy pack-3 | $0.99 | one-time |
| buy 10 hints | $0.99 | one-time |
| remove Ads | $1.99 | one-time |
| buy 30 hints | $1.99 | one-time |
| buy 50 hints | $2.99 | one-time |
| Full Version (all packs + remove Ads + 300 hints) | $3.99 | one-time |
| buy 100 hints | $3.99 | one-time |
| buy 200 hints | $4.99 | one-time |


### 6 Differences

[App page](https://appshunter.io/ios/app/6-differences-spot-them/id1628381817)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hidden Numbers free?

Hidden Numbers is free to download, with in-app purchases available.

### Is 6 Differences free?

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

### Do Hidden Numbers or 6 Differences have ads?

Hidden Numbers shows ads; 6 Differences does not.

### Which is updated more often, Hidden Numbers or 6 Differences?

Hidden Numbers ships an update every 81 months, and 6 Differences every 43 months. Most recently, Hidden Numbers was updated on November 2, 2026 and 6 Differences on November 7, 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.*