# Chronometer vs QR Code

The clearest difference is price: QR Code at Free against Chronometer's $2.99. QR Code also leads on rating (4.5 vs 3.1) and review sentiment (33% vs 0%). Chronometer's advantage is in-app purchases (none vs 7). On ads and device support there is nothing between them.

QR Code is free to download; Chronometer costs $2.99 up front. QR Code sells 7 in-app purchases, starting at $2.99 per 7 days. Chronometer asks for nothing beyond the download.

QR Code holds the better App Store score, 4.5 against 3.1. That said, the two scores are not equally well evidenced: QR Code has 13K ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 0% of Chronometer's written reviews are positive against 33% of QR Code's.

Chronometer ships an update every 5 months, QR Code every 9 days. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Chronometer | QR Code |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [3.1 (8 ratings)](https://appshunter.io/ios/app/chronometer/id1562013733/reviews) | **[4.5 (13K ratings)](https://appshunter.io/ios/app/qr-code-reader-and-generator/id1602955453/reviews)** |
| Number of ratings | 8 | **13K** |
| Positive reviews | 0.0% of reviews | **32.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 9 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 3 MB | 204 MB |
| Requires iOS | 18.6 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kilian Eisenegger](https://appshunter.io/developer/1333678887) | [Ruslan Kucheriavyi](https://appshunter.io/developer/1780776110) |

## What reviewers say

### Chronometer

[App page](https://appshunter.io/ios/app/chronometer/id1562013733)

Easily track your watch's accuracy against atomic time. Simply set your watch to atomic time, take a photo of the dial within the app, and record the difference. Analyze daily deviations over 15 days to assess your watch's performance.

**Highlights:** Track daily watch accuracy, Compare against atomic time, Photo capture for time reading, Altitude recording, Save data in CSV format, Analyze 15-day data trends

**In-app purchases:** none


### QR Code

[App page](https://appshunter.io/ios/app/qr-code-reader-and-generator/id1602955453)

Scan any QR code or barcode instantly with your phone's camera. Generate custom QR codes for various purposes like opening URLs, accessing Wi-Fi, or sharing contact information. Personalize your generated codes with colors and social media icons.

**Highlights:** Scan QR codes and barcodes, Generate custom QR codes, Create Wi-Fi, Email, URL, Phone QRs, Customize QR code design, Scan from media library, Share and print QR codes

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Discount Premium access | $2.99 | per 7 days |
| weekly premium access | $6.99 | per 7 days |
| Weekly Pro Access | $6.99 | per 7 days |
| Monthly premium access | $14.99 | per month |
| Year premium access | $29.99 | per year |
| Year premium access | $39.99 | per year |
| Lifetime Premium Access | $49.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Quick and efficient
- 💡 Useful QR code features
- 🤝 Helpful customer service

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 💰 Expensive premium version
- 📢 Intrusive ads and upsells
- 🔒 Lack of transparency around subscriptions

**Reported bugs**

- Login/registration issues
- QR code scanning not working as expected
- Compatibility problems with older devices
- Unexpected charges and billing problems

**Requested features**

- Ability to cancel subscriptions easily
- More affordable pricing options
- Improved stability and reliability
- Better customer support channels


## Frequently asked questions

### Is Chronometer free?

Chronometer costs $2.99, with no in-app purchases.

### Is QR Code free?

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

### Which has better reviews, Chronometer or QR Code?

QR Code is rated higher. Chronometer averages 3.1 out of 5 from 8 ratings, while QR Code averages 4.5 from 13K ratings.

### Do Chronometer or QR Code have ads?

Neither Chronometer nor QR Code shows ads.

### Which is updated more often, Chronometer or QR Code?

Chronometer ships an update every 5 months, and QR Code every 9 days. Most recently, Chronometer was updated on October 8, 2026 and QR Code on October 13, 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.*