# Contribute vs Karrette

The clearest difference is in-app purchases: Karrette at none against Contribute's 2. Karrette also leads on update cadence (every 4 days vs every 3 months). Contribute's advantage is device support (3 vs 1) and iOS requirement (9.0 vs 16.0). On price and ads there is nothing between them.

Both are free to download. Contribute sells 2 one-off in-app purchases. Karrette asks for nothing beyond the download.

Contribute ships an update every 3 months, Karrette every 4 days. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Contribute | Karrette |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/contribute/id1206612069/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 79 MB | 2 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [IDScan.net, Inc.](https://appshunter.io/developer/1200071343) | [Cary Dill](https://appshunter.io/developer/6808718277) |

## What reviewers say

### Contribute

[App page](https://appshunter.io/ios/app/contribute/id1206612069)

This app scans US and Canadian IDs, collecting customer information for business analytics. It helps manage premises, understand customers through data, and generate reports for various industries like event marketing and visitor management.

**Highlights:** Scans US/Canadian IDs, Customer data collection, Online dashboard analytics, Visitor management, Age verification, Customizable alerts, Group management (VIP, Blacklist)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Enable Offline Groups records | Free | one-time |
| Unlimited Camera Scans | $39.99 | one-time |


### Karrette

[App page](https://appshunter.io/ios/app/karrette/id6808718275)

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

**In-app purchases:** none


## Frequently asked questions

### Is Contribute free?

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

### Is Karrette free?

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

### Do Contribute or Karrette have ads?

Neither Contribute nor Karrette shows ads.

### Which is updated more often, Contribute or Karrette?

Contribute ships an update every 3 months, and Karrette every 4 days. Most recently, Contribute was updated on October 14, 2026 and Karrette on October 9, 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.*