# Sudoku Helper vs PanelistDataCollection

The clearest difference is iOS requirement: Sudoku Helper at 13.0 against PanelistDataCollection's 16.0. On price, update cadence, 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.

Sudoku Helper ships an update every 20 months, PanelistDataCollection every 16 months. The most recent releases landed on October 2, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Sudoku Helper | PanelistDataCollection |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 16 months** |
| Size | 3 MB | 80 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Berthold Ernstberger](https://appshunter.io/developer/559325186) | [Kantar Media France SAS](https://appshunter.io/developer/972014153) |

## What reviewers say

### Sudoku Helper

[App page](https://appshunter.io/ios/app/sudoku-helper/id1526144654)

**In-app purchases:** none


### PanelistDataCollection

[App page](https://appshunter.io/ios/app/panelistdatacollection/id6450955799)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku Helper free?

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

### Is PanelistDataCollection free?

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

### Do Sudoku Helper or PanelistDataCollection have ads?

Neither Sudoku Helper nor PanelistDataCollection shows ads.

### Which is updated more often, Sudoku Helper or PanelistDataCollection?

Sudoku Helper ships an update every 20 months, and PanelistDataCollection every 16 months. Most recently, Sudoku Helper was updated on October 2, 2026 and PanelistDataCollection on October 12, 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.*