Comparison

Bluetooth Developer vs Walnut

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

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.

Highlights
  • 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
Features
Read full description

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

Bluetooth Developer4 screens
Walnut4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Walnut sells 1 one-off in-app purchase. Bluetooth Developer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard7 real differences · 3 level
Bluetooth Developer versus Walnut: the parameters behind the verdict, then further details
ParameterBluetooth DeveloperWalnut
PriceFreeFree
Rating4.0 (7 ratings)5.0 (1 ratings) — better
Positive reviews71.4% of reviews100.0% of reviews — better
Number of ratings7 — better1
Update frequencyEvery 3 monthsEvery 4 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhoneiPhone, iPad — better
Requires iOS17.0 — better18.4
Further details — not scored
Size3 MB28 MB
Age rating4+17+
DeveloperMatthias ZarzeckiJiwon Park

Customer experience

Bluetooth Developer

All ratings7 ratings
Positive71.4%
Neutral0.0%
Negative28.6%
Written reviews7 reviews
Positive71.4%
Neutral14.3%
Negative14.3%

Walnut

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Bluetooth Developer

No in-app purchases

1 purchases

Walnut

One-time1
  • Remove Ads$3.99

Questions

Is Bluetooth Developer free?
Bluetooth Developer is free to download, with no in-app purchases.
Is Walnut free?
Walnut is free to download, with in-app purchases available.
Which has better reviews, Bluetooth Developer or Walnut?
Walnut is rated higher. Bluetooth Developer averages 4.0 out of 5 from 7 ratings, while Walnut averages 5.0 from 1 ratings.
Do Bluetooth Developer or Walnut have ads?
Walnut shows ads; Bluetooth Developer does not.
Which is updated more often, Bluetooth Developer or Walnut?
Bluetooth Developer ships an update every 3 months, and Walnut every 4 days. Most recently, Bluetooth Developer was updated on October 15, 2026 and Walnut on October 18, 2026.

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