# Product Checker vs centid

The clearest difference is update cadence: centid at every 3 months against Product Checker's every 15 months. Product Checker's advantage is iOS requirement (7.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Product Checker ships an update every 15 months, centid every 3 months. The most recent releases landed on November 1, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Product Checker | centid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/product-checker/id538115571/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 4 MB | 71 MB |
| Requires iOS | **7.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Armia Systems, Inc](https://appshunter.io/developer/538115574) | [Centrategy LLC](https://appshunter.io/developer/552782946) |

## What reviewers say

### Product Checker

[App page](https://appshunter.io/ios/app/product-checker/id538115571)

Scan product barcodes to check in and share your preferences on social media. Earn points, samples, and free items from your favorite brands.

**Highlights:** Barcode scanning, Social media sharing, Product preference tracking, Earn points and samples, Brand engagement

**In-app purchases:** none


### centid

[App page](https://appshunter.io/ios/app/centid/id1227310081)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Product Checker free?

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

### Is centid free?

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

### Do Product Checker or centid have ads?

Neither Product Checker nor centid shows ads.

### Which is updated more often, Product Checker or centid?

Product Checker ships an update every 15 months, and centid every 3 months. Most recently, Product Checker was updated on November 1, 2026 and centid on October 26, 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.*