ESP vs QR Code
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ESP
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AirLink is a Wi-Fi provisioning tool designed for electronics enthusiasts and developers working with the ESP series. Any ESP32 device that supports Wi-Fi and Bluetooth can be quickly scanned, connected, and configured using AirLink, making development and debugging more efficient. It can also be paired with small ESP-IDF components to quickly implement Bluetooth functionality. Features: • Automatic ESP Device Discovery: Instantly detect nearby ESP devices without manually entering device information. • Quick Wi-Fi Provisioning: Easily configure your ESP device’s Wi-Fi network without complicated commands. • Bluetooth Connectivity: Connect to ESP devices via Bluetooth for remote configuration and control. • Real-Time Device Monitoring: View device connection status, signal strength, and Wi-Fi status at a glance. • Multi-Language Support: Interface and prompts are available in multiple languages for intuitive operation. Why choose AirLink? • Simple, fast, and visual operation • Designed for developers and hardware enthusiasts • Completely free and easy to get started With AirLink, your ESP development and configuration experience becomes smoother and more efficient. Download now to quickly connect and manage your ESP devices!
QR Code
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Qrater is a smart QR code & barcode scanner designed to help you organize, remember, and discover QR codes .effortlessly. Scan QR codes instantly and keep everything structured in one place. Every scanned QR code and barcode is stored securely on your device, allowing you to create folders, rename them, move QR code links between folders, or delete individual items or entire folders whenever you want. Key Features Fast and reliable QR code and barcode scanning On-device scan history storage Create, rename, and manage folders Move QR codes between folders Delete individual QR codes or entire folders Scan. Organize. Discover. Qrater turns QR codes into a smarter experience. This app uses Apple’s Standard Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is iOS requirement: ESP at 16.0 against QR Code's 26.0. 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. ESP sells 1 one-off in-app purchase and QR Code sells 2 in-app purchases, starting at $1.49 per 7 days. Whichever you choose, the download price is not the number that matters.
| Parameter | ESP | QR Code |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 5 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Wuhan FireFrog Technology Co., Ltd. | Onur Uca |
In-app purchases
ESP
- a cup of coffee$0.99
QR Code
- Weekly Subscription$1.497 Days
- Monthly Subscription3 Days trial$4.991 Month
