CDN vs QualiT Check
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CDN
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The Smart Probe™ Thermometer is a wireless thermometer used for cooking. The Smart Probe™ Thermometer App is connected to the thermometer to show temperature readings and used to set desired cooking temperatures. The App shows real time temperature monitoring and recording.
QualiT Check
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The Qualit Check app enables easy checking of error codes, mileage, and VINs. Developed by Carly the app offers precise diagnostic features and insights into vehicle status to identify and resolve potential issues early.
Screenshots
Verdict
The clearest difference is update cadence: QualiT Check at weekly against CDN's every 2 months. CDN's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CDN ships an update every 2 months, QualiT Check weekly. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.
| Parameter | CDN | QualiT Check |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 36 MB | 62 MB |
| Age rating | 4+ | +4 |
| Developer | Component Design Northwest, Inc. | Carly Solutions GmbH Co KG |
In-app purchases
CDN
No in-app purchases
QualiT Check
No in-app purchases
