# Check GMO vs WISEcode UPF Detector

The clearest difference is review sentiment: WISEcode UPF Detector at 84% against Check GMO's 32%. WISEcode UPF Detector also leads on rating (4.7 vs 1.8) and ratings volume (1.8K vs 10). Check GMO's advantage is iOS requirement (7.1 vs 17.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

WISEcode UPF Detector holds the better App Store score, 4.7 against 1.8. That said, the two scores are not equally well evidenced: WISEcode UPF Detector has 1.8K ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 32% of Check GMO's written reviews are positive against 84% of WISEcode UPF Detector's.

Check GMO ships an update every 3 weeks, WISEcode UPF Detector every 11 days. The most recent releases landed on September 17, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Check GMO | WISEcode UPF Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (10 ratings)](https://appshunter.io/ios/app/check-gmo/id727308886/reviews) | **[4.7 (1.8K ratings)](https://appshunter.io/ios/app/wisecode-upf-detector/id6479329206/reviews)** |
| Number of ratings | 10 | **1.8K** |
| Positive reviews | 32.3% of reviews | **83.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 2 MB | 185 MB |
| Requires iOS | **7.1** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Direct Connect LLC](https://appshunter.io/developer/640142371) | [WISEcode](https://appshunter.io/developer/1716471061) |

## What reviewers say

### Check GMO

[App page](https://appshunter.io/ios/app/check-gmo/id727308886)

Scan UPC barcodes on food and skincare items to instantly determine if they contain GMOs. Receive clear results: GMO Free, GMO, or Unverified. Submit unverified items for research by staff.

**Highlights:** UPC barcode scanner, GMO detection, GMO Free, GMO, Unverified results, Submit unverified items for research, Pro version with unlimited submits, Shareable shopping lists

**Features:** macOS Compatibility

**In-app purchases:** none


### WISEcode UPF Detector

[App page](https://appshunter.io/ios/app/wisecode-upf-detector/id6479329206)

Instantly determine if packaged food is ultra-processed by scanning its barcode. This app provides a clear, science-backed UPF rating and ingredient breakdown, powered by an extensive food intelligence platform. Make informed choices about what you eat with detailed ingredient analysis.

**Highlights:** Scan food barcodes, UPF rating and ingredient breakdown, Ingredient-level processing analysis, Science-backed results, Extensive food intelligence platform, Fast and clear information

**In-app purchases:** none

**What reviewers like**

- 💡 Informative about food processing
- 👍 Easy to use and navigate
- 🚀 Quick scanning and results
- ✅ Helps make informed food choices
- 💡 Great for understanding ingredients

**What reviewers complain about**

- 🐛 Scanner not working
- 🐛 App crashes or freezes
- 🐛 Products not in database
- 🐛 Scan button finicky
- 🐛 Annoying review requests

**Reported bugs**

- Can’t scan first item
- Scanner not working
- Scan button gets finicky
- Product not in database
- Won’t stop asking to do a review

**Requested features**

- Search food without scanning barcode
- Wise score directly under food rating
- Manual input for food items without barcodes
- Way to clear history
- Turn on flashlight when scanning labels


## Frequently asked questions

### Is Check GMO free?

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

### Is WISEcode UPF Detector free?

WISEcode UPF Detector is free to download, with no in-app purchases.

### Which has better reviews, Check GMO or WISEcode UPF Detector?

WISEcode UPF Detector is rated higher. Check GMO averages 1.8 out of 5 from 10 ratings, while WISEcode UPF Detector averages 4.7 from 1.8K ratings.

### Do Check GMO or WISEcode UPF Detector have ads?

Neither Check GMO nor WISEcode UPF Detector shows ads.

### Which is updated more often, Check GMO or WISEcode UPF Detector?

Check GMO ships an update every 3 weeks, and WISEcode UPF Detector every 11 days. Most recently, Check GMO was updated on September 17, 2026 and WISEcode UPF Detector on September 22, 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.*