Comparison

compilerFish vs Walnut

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

Head to head
About

compilerFish

Features
Read full description

Flutter made easy Build faster. Customize with ease — save your team hundreds of hours. * Includes pre-built Business Logic and Persistence/Storage. Crafted with care by Flutter enthusiasts, compilerFish delivers stunning widgets, ready-to-use pages, and adaptable templates to streamline your app development. Everything is customizable and adaptable to your app's unique vision, giving you complete control without sacrificing speed or quality.

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

compilerFish4 screens
Walnut4 screens

Verdict

The call

The clearest difference is in-app purchases: compilerFish at none against Walnut's 1. compilerFish also leads on ads (none vs shown) and iOS requirement (15.5.0 vs 18.4). Walnut's advantage is update cadence (every 4 days vs every 6 weeks). On price 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

compilerFish ships an update every 6 weeks, Walnut every 4 days. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

Scorecard4 real differences · 6 level
compilerFish versus Walnut: the parameters behind the verdict, then further details
ParametercompilerFishWalnut
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 6 weeksEvery 4 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.5.0 — better18.4
Further details — not scored
Size109 MB28 MB
Age rating4+17+
DeveloperTatenda Caston HoveJiwon Park

In-app purchases

None

compilerFish

No in-app purchases

1 purchases

Walnut

One-time1
  • Remove Ads$3.99

Questions

Is compilerFish free?
compilerFish is free to download, with no in-app purchases.
Is Walnut free?
Walnut is free to download, with in-app purchases available.
Do compilerFish or Walnut have ads?
Walnut shows ads; compilerFish does not.
Which is updated more often, compilerFish or Walnut?
compilerFish ships an update every 6 weeks, and Walnut every 4 days. Most recently, compilerFish was updated on September 24, 2026 and Walnut on September 22, 2026.

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