# Singularity vs CrossDigits Number Puzzle

The clearest difference is device support: CrossDigits Number Puzzle at 2 against Singularity's —. Singularity's advantage is iOS requirement (15.1 vs 18). On price and in-app purchases there is nothing between them.

Both are free to download. Singularity sells 7 in-app purchases, starting at $2.99 per month and CrossDigits Number Puzzle sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Singularity | CrossDigits Number Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | — | Yes |
| Size | 59 MB | 50 MB |
| Requires iOS | **15.1** | 18 |
| Devices | — | **iPhone, iPad** |
| Age rating | 12+ | 4+ |
| Developer | [CBuddy Private Limited](https://appshunter.io/developer/1737429012) | [Ilker KARAMANLI](https://appshunter.io/developer/1838988018) |

## What reviewers say

### Singularity

[App page](https://appshunter.io/ios/app/singularity-chrono-drift/id6760458429)

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Singularity Pass (Monthly) | $2.99 | per month |
| Chrono Energy x5 | $0.99 | one-time |
| Data Fragments x100 | $0.99 | one-time |
| Chrono Energy x15 | $1.99 | one-time |
| Data Fragments x500 | $3.99 | one-time |
| Chrono Energy x50 | $4.99 | one-time |
| Singularity Pass (Lifetime) | $9.99 | one-time |


### CrossDigits Number Puzzle

[App page](https://appshunter.io/ios/app/crossdigits-number-puzzle/id6760971732)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Coin Pack | $0.99 | one-time |
| Starter Pack | $1.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Medium Coin Pack | $2.99 | one-time |
| Large Coin Pack | $4.99 | one-time |


## Frequently asked questions

### Is Singularity free?

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

### Is CrossDigits Number Puzzle free?

CrossDigits Number Puzzle is free to download, with in-app purchases available.

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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.*