# Call Checker vs QR reader

The clearest difference is in-app purchases: Call Checker at none against QR reader's 1. QR reader's advantage is iOS requirement (10.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Call Checker costs $0.99 and QR reader $0.99 up front. QR reader sells 1 one-off in-app purchase. Call Checker asks for nothing beyond the download.

Call Checker ships an update every 23 months, QR reader every 38 months. The most recent releases landed on October 9, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Call Checker | QR reader |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 23 months** | Every 38 months |
| Monetization | Paid | — |
| Size | 2 MB | 10 MB |
| Requires iOS | 15.6 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [Aleksandar Mlazev](https://appshunter.io/developer/1093798140) |

## What reviewers say

### Call Checker

[App page](https://appshunter.io/ios/app/call-checker/id292434428)

Easily track the local times of your international contacts to avoid calling at inconvenient hours. Quickly see who is available and initiate calls directly from the app.

**Highlights:** Track contact local times, Avoid bad calling hours, Check contact availability, Initiate calls directly (iPhone)

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

**In-app purchases:** none


### QR reader

[App page](https://appshunter.io/ios/app/qr-reader-qr-code-scanner/id1479664955)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QR reader - unlock | $1.99 | one-time |


## Frequently asked questions

### Is Call Checker free?

Call Checker costs $0.99, with no in-app purchases.

### Is QR reader free?

QR reader costs $0.99, and also offers in-app purchases.

### Do Call Checker or QR reader have ads?

Neither Call Checker nor QR reader shows ads.

### Which is updated more often, Call Checker or QR reader?

Call Checker ships an update every 23 months, and QR reader every 38 months. Most recently, Call Checker was updated on October 9, 2026 and QR reader on October 1, 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.*