# GridUnfold vs TraceNum

The clearest difference is in-app purchases: GridUnfold at none against TraceNum's 1. GridUnfold also leads on ads (none vs shown). TraceNum's advantage is iOS requirement (15.1 vs 17.6). On price and device support there is nothing between them.

Both are free to download. TraceNum sells 1 one-off in-app purchase. GridUnfold asks for nothing beyond the download.

## The numbers

| Metric | GridUnfold | TraceNum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 days |
| Size | 7 MB | 88 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Agostino  Lecci](https://appshunter.io/developer/1461660623) | [ISAO NAGATA](https://appshunter.io/developer/1883691211) |

## What reviewers say

### GridUnfold

[App page](https://appshunter.io/ios/app/gridunfold/id6758383846)

**Features:** macOS Compatibility

**In-app purchases:** none


### TraceNum

[App page](https://appshunter.io/ios/app/tracenum/id6760296584)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Stages | $0.99 | one-time |


## Frequently asked questions

### Is GridUnfold free?

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

### Is TraceNum free?

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

### Do GridUnfold or TraceNum have ads?

TraceNum shows ads; GridUnfold does not.

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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.*