# DetectQR vs Chronograde

The clearest difference is update cadence: Chronograde at every 5 days against DetectQR's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. DetectQR sells 2 in-app purchases, starting at $0.99 per month and Chronograde sells 10 in-app purchases, starting at $19.99 per year. Whichever you choose, the download price is not the number that matters.

DetectQR ships an update monthly, Chronograde every 5 days. The most recent releases landed on September 22, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | DetectQR | Chronograde |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 5 days** |
| Size | 95 MB | 14 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NavDistributor d.o.o.](https://appshunter.io/developer/1896055544) | [Matthew Wong](https://appshunter.io/developer/6774040057) |

## What reviewers say

### DetectQR

[App page](https://appshunter.io/ios/app/detectqr-safe-qr-code-scanner/id6765742571)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Yearly Subscription | $9.99 | per year |


### Chronograde

[App page](https://appshunter.io/ios/app/chronograde-watch-accuracy/id6774091390)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chronograde Pro (Annual) | $19.99 | per year |
| Starter Pack: 10 Crowns | $0.99 | one-time |
| Submariner Blue Theme | $1.99 | one-time |
| Racing Green Theme | $1.99 | one-time |
| Rose Gold Theme | $1.99 | one-time |
| Sunburst Gold Theme | $1.99 | one-time |
| Handful: 22 Crowns | $1.99 | one-time |
| Roll: 36 Crowns | $2.99 | one-time |
| Stack: 66 Crowns | $4.99 | one-time |
| Vault: 150 Crowns | $9.99 | one-time |


## Frequently asked questions

### Is DetectQR free?

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

### Is Chronograde free?

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

### Do DetectQR or Chronograde have ads?

Both DetectQR and Chronograde show ads.

### Which is updated more often, DetectQR or Chronograde?

DetectQR ships an update monthly, and Chronograde every 5 days. Most recently, DetectQR was updated on September 22, 2026 and Chronograde on September 20, 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.*