Bluetooth Developer vs Walnut
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bluetooth Developer
Explore and understand Bluetooth devices around you. Discover nearby devices, view their manufacturer data and signal strength, and connect to read out information. Identify device types and potential manufacturers before connecting.
- Find nearby Bluetooth devices
- View manufacturer data and signal strength
- Connect and read device data
- Identify device types
- Read advertisement data
- Analyze services and characteristics
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The Bluetooth Developer App is made to help you developing with Bluetooth devices and understanding how they work. You can: - Find & see nearby devices - View manufacturer data and signal strength - Connect and read out data - See before connecting if a device is possible an apple device - See what kind of device (TV, Headphones, Heartbeat-Sensor, Monitor) a device is before connecting - Read out advertisement data - See information about services and characteristics - Read out characteristic values and parse them Requires permission to use Bluetooth features of your device.
Walnut
This app allows developers to test WKWebView and SFSafariViewController configurations in real-time. It offers built-in DevTools for console, network, storage, and performance analysis, along with JavaScript injection and accessibility auditing.
- Real-time WKWebView configuration testing
- Built-in DevTools (Console, Network, Storage)
- JavaScript injection and execution
- SFSafariViewController testing with content blockers
- Accessibility auditing (axe-core)
- Responsive viewport and device emulation
- Bookmark management
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The ultimate developer tool for testing WKWebView and SFSafariViewController configurations in real-time. KEY FEATURES WKWebView Testing • Real-time configuration testing with 20+ options • Built-in DevTools: Console, Network, Storage, Performance, Sources, Accessibility • JavaScript injection and snippet execution • Custom User-Agent emulation • Viewport and device emulation SFSafariViewController Testing • Native Safari experience with content blockers • Reader mode and responsive size control • Customizable bar colors and dismiss button styles Developer Tools • Console: Capture console.log with %c CSS styling support • Network: Monitor fetch/XHR requests with timing data • Storage: View/edit localStorage, sessionStorage, cookies • Performance: Web Vitals (LCP, FID, CLS) and Navigation Timing • Sources: DOM tree inspection, stylesheets, scripts • Accessibility: axe-core based accessibility auditing Additional Features • Bookmark management for quick URL access • Responsive viewport resizing (iPhone, iPad, Desktop presets) • Screenshot capture • API capability detection • Dark mode support Perfect for iOS developers who need to test web content rendering, debug JavaScript, analyze network requests, and ensure accessibility compliance.
Screenshots
Verdict
The clearest difference is rating: Walnut at 5.0 against Bluetooth Developer's 4.0. Walnut also leads on update cadence (every 4 days vs every 3 months) and review sentiment (100% vs 71%). Bluetooth Developer's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, device support and iOS requirement 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. Walnut sells 1 one-off in-app purchase. Bluetooth Developer asks for nothing beyond the download.
Walnut holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Bluetooth Developer has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 71% of Bluetooth Developer's written reviews are positive against 100% of Walnut's.
Bluetooth Developer ships an update every 3 months, Walnut every 4 days. The most recent releases landed on October 15, 2026 and October 18, 2026 respectively.
| Parameter | Bluetooth Developer | Walnut |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (7 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 71.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 7 — better | 1 |
| Update frequency | Every 3 months | Every 4 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 — better | 18.4 |
| Further details — not scored | ||
| Size | 3 MB | 28 MB |
| Age rating | 4+ | 17+ |
| Developer | Matthias Zarzecki | Jiwon Park |
Customer experience
Bluetooth Developer
Walnut
In-app purchases
Bluetooth Developer
No in-app purchases
Walnut
- Remove Ads$3.99
Questions
Is Bluetooth Developer free?
Is Walnut free?
Which has better reviews, Bluetooth Developer or Walnut?
Do Bluetooth Developer or Walnut have ads?
Which is updated more often, Bluetooth Developer or Walnut?
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