# LineRegression vs WingID

The clearest difference is ads: LineRegression at none against WingID's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | LineRegression | WingID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/wingid/id6756098852/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 weeks |
| Monetization | — | Ad-supported |
| Size | 58 MB | 105 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carlos Franca](https://appshunter.io/developer/1842955146) | [WaterfowlAI](https://appshunter.io/developer/1837513107) |

## What reviewers say

### LineRegression

[App page](https://appshunter.io/ios/app/lineregression/id6754206347)

**Features:** macOS Compatibility

**In-app purchases:** none


### WingID

[App page](https://appshunter.io/ios/app/wingid/id6756098852)

Contribute photos of harvested waterfowl wings to scientific research. This tool helps biologists track population health, understand breeding success, and set sustainable harvest limits for conservation.

**Highlights:** Submit waterfowl wing photos for research, Confirm species verification from AI model, Expert verification by wildlife biologists, Track personal contributions and impact, Supports UC Davis and LSU research

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LineRegression free?

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

### Is WingID free?

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

### Do LineRegression or WingID have ads?

WingID shows ads; LineRegression 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.*