# Ω SCANNER vs E3/E4 TAG Heuer Connected

The clearest difference is rating: E3/E4 TAG Heuer Connected at 4.9 against Ω SCANNER's 2.3. E3/E4 TAG Heuer Connected also leads on ratings volume (8K vs 31) and update cadence (every 5 weeks vs every 4 months). Ω SCANNER's advantage is monetization model (free vs ad-supported). 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.

E3/E4 TAG Heuer Connected holds the better App Store score, 4.9 against 2.3. That said, the two scores are not equally well evidenced: E3/E4 TAG Heuer Connected has 8K ratings behind it against 31, so its average is the more settled of the two. Written reviews point the same way: 37% of Ω SCANNER's written reviews are positive against 49% of E3/E4 TAG Heuer Connected's.

Ω SCANNER ships an update every 4 months, E3/E4 TAG Heuer Connected every 5 weeks. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Ω SCANNER | E3/E4 TAG Heuer Connected |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (31 ratings)](https://appshunter.io/ios/app/scanner/id1104871235/reviews) | **[4.9 (8K ratings)](https://appshunter.io/ios/app/e3e4-tag-heuer-connected/id1468108049/reviews)** |
| Number of ratings | 31 | **8K** |
| Positive reviews | 36.5% of reviews | **49.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 32 MB | 168 MB |
| Requires iOS | **15.0** | 15.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OMEGA Ltd](https://appshunter.io/developer/386987783) | [TAG Heuer Professional Timing](https://appshunter.io/developer/1287174728) |

## What reviewers say

### Ω SCANNER

[App page](https://appshunter.io/ios/app/scanner/id1104871235)

Scan your Master Chronometer certificate to instantly access your watch's detailed test results. Discover the 8 METAS tests and learn more about the Swiss Federal Institute of Metrology. Connect directly to your MyOMEGA account for comprehensive watch data.

**Highlights:** Scan Master Chronometer Certificates, Access watch test results, Discover 8 METAS tests, Learn about METAS, Connect to MyOMEGA account

**Features:** macOS Compatibility

**In-app purchases:** none


### E3/E4 TAG Heuer Connected

[App page](https://appshunter.io/ios/app/e3e4-tag-heuer-connected/id1468108049)

Customize your TAG Heuer Connected E3 or E4 watch with a variety of mechanical and digital watchfaces. Track your fitness activities like running and cycling, with detailed performance data and seamless syncing to Strava and the Health app.

**Highlights:** Mechanical and digital watchface customization, Strap combination preview, Curated watchface collections, Fitness session summaries, Detailed performance data analysis, Sync with Strava and Health app

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Great watch and app
- 👍 Fantastic customization options
- 🚀 Elegant and premium design
- 🚀 Seamless integration with Apple Health
- 👍 Useful sports and fitness tracking

**What reviewers complain about**

- 🐛 Connectivity issues with app and watch
- 🔋 Poor battery life
- 🐛 Buggy software and frequent crashes
- 🐛 Inconsistent data sync between watch and app
- 🐛 Unreliable GPS and fitness tracking

**Reported bugs**

- App crashes on launch
- Watch faces not loading properly
- Fitness data not syncing correctly
- Connectivity issues with Bluetooth and WiFi
- Inconsistent performance after software updates

**Requested features**

- More high-quality watch faces
- Improved integration with iPhone features
- Guided workout routines
- Better weather information and location tracking
- Audio/voice capabilities like Apple Watch


## Frequently asked questions

### Is Ω SCANNER free?

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

### Is E3/E4 TAG Heuer Connected free?

E3/E4 TAG Heuer Connected is free to download, with no in-app purchases.

### Which has better reviews, Ω SCANNER or E3/E4 TAG Heuer Connected?

E3/E4 TAG Heuer Connected is rated higher. Ω SCANNER averages 2.3 out of 5 from 31 ratings, while E3/E4 TAG Heuer Connected averages 4.9 from 8K ratings.

### Do Ω SCANNER or E3/E4 TAG Heuer Connected have ads?

Neither Ω SCANNER nor E3/E4 TAG Heuer Connected shows ads.

### Which is updated more often, Ω SCANNER or E3/E4 TAG Heuer Connected?

Ω SCANNER ships an update every 4 months, and E3/E4 TAG Heuer Connected every 5 weeks. Most recently, Ω SCANNER was updated on October 9, 2026 and E3/E4 TAG Heuer Connected on October 15, 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.*