Call Checker vs QR reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Call Checker
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.
- Track contact local times
- Avoid bad calling hours
- Check contact availability
- Initiate calls directly (iPhone)
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In a global world it becomes more and more difficult to keep track of the local times of all your important contacts. If you want to avoid to call them at a bad time this application is for you. A quick check tells you whether it's the right time to call or not and who is available at the moment. If you enter the phone number a simple tap on the name is enough to initiate the call (iPhone only).
QR reader
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QR reader is fast and reliable QR and barcode scanner app that can copy the read code to the clipboard as plain text so it can be pasted anywhere else or to open the code in internet browser. If the scanned QR code is a web address it will be opened in browser directly - if not or it is other barcode type it will be opened in search. QR reader features: - Copy code to clipboard - Open code in browser - supports: QR, EAN13, EAN8, UPCA, UPCE, Code39, Code128, Interleaved 2 of 5 - no ads The app is made using Scangine SDK for scanning QR and barcodes. The app is limited to 5 Copy / Paste operations per day and that limit can be removed with one time in-app purchase.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Call Checker | QR reader |
|---|---|---|
| Price | $0.99 | $0.99 |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Every 23 months — better | Every 38 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 10.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Piet Jonas | Aleksandar Mlazev |
In-app purchases
Call Checker
No in-app purchases
QR reader
- QR reader - unlock$1.99
Questions
Is Call Checker free?
Is QR reader free?
Do Call Checker or QR reader have ads?
Which is updated more often, Call Checker or QR reader?
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