# Chronometer vs QR Code Reader

The clearest difference is review sentiment: QR Code Reader at 100% against Chronometer's 0%. QR Code Reader also leads on price (Free vs $2.99) and rating (5.0 vs 3.1). Chronometer's advantage is in-app purchases (none vs 10). On update cadence, ads, device support and iOS requirement there is nothing between them.

QR Code Reader is free to download; Chronometer costs $2.99 up front. QR Code Reader sells 10 in-app purchases, starting at $6.99 per 7 days. Chronometer asks for nothing beyond the download.

QR Code Reader holds the better App Store score, 5.0 against 3.1. Both are backed by a comparable volume of ratings — 8 and 30 respectively. Written reviews point the same way: 0% of Chronometer's written reviews are positive against 100% of QR Code Reader's.

Chronometer ships an update every 5 months, QR Code Reader every 6 months. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Chronometer | QR Code Reader |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [3.1 (8 ratings)](https://appshunter.io/ios/app/chronometer/id1562013733/reviews) | **[5.0 (30 ratings)](https://appshunter.io/ios/app/qr-code-reader-batch-scanner/id6477870103/reviews)** |
| Number of ratings | 8 | **30** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 6 months |
| Monetization | **Paid** | Subscription |
| Size | 3 MB | 28 MB |
| Requires iOS | 18.6 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kilian Eisenegger](https://appshunter.io/developer/1333678887) | [Kathleen Ramos](https://appshunter.io/developer/1730941152) |

## 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 Reader

[App page](https://appshunter.io/ios/app/qr-code-reader-batch-scanner/id6477870103)

Instantly decode QR codes and barcodes to access websites, contact info, and more. Generate custom codes and scan them securely in a protected environment. Features include a history log and advanced analytics.

**Highlights:** Instant QR code and barcode scanning, Custom QR code generation, Secure sandbox scanning, Automatic history log, Advanced history analytics, Batch code processing

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advanced QR Scanner Weekly | $6.99 | per 7 days |
| Ultra QR Scanner Weekly | $9.99 | per 7 days |
| QR Code - Plus | $11.49 | per 7 days |
| QR Code Scanner • Code Creator | $14.99 | per 7 days |
| Generate QR | $14.99 | per 7 days |
| Qr Code - Location | $14.99 | per 7 days |
| Qr Contact | $14.99 | per 7 days |
| QR Event | $14.99 | per 7 days |
| QR Call | $14.99 | per 7 days |
| VIP QR Scanner Yearly | $49.99 | per year |


## Frequently asked questions

### Is Chronometer free?

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

### Is QR Code Reader free?

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

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

QR Code Reader is rated higher. Chronometer averages 3.1 out of 5 from 8 ratings, while QR Code Reader averages 5.0 from 30 ratings.

### Do Chronometer or QR Code Reader have ads?

Neither Chronometer nor QR Code Reader shows ads.

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

Chronometer ships an update every 5 months, and QR Code Reader every 6 months. Most recently, Chronometer was updated on October 8, 2026 and QR Code Reader on October 6, 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.*