Comparison

Walnut vs Chmod Toolkit

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

Head to head
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.

About

Chmod Toolkit

Master Unix file permissions with this comprehensive learning tool. Practice exam simulations, spaced repetition, and detailed progress tracking to prepare for Linux certifications or server hardening. Supports iPhone, iPad, and Mac with iCloud sync.

Highlights
  • Unix permissions mastery
  • Certification exam simulation
  • Spaced repetition learning
  • Domain-specific study
  • Progress tracking dashboard
  • Multi-device support with iCloud sync
Features
Read full description

The most comprehensive Unix permissions learning tool available on any platform. Master chmod, chown, umask, ACLs, SELinux, and everything in between — then prove you know it under real exam conditions. Whether you're preparing for a Linux certification exam, hardening production servers, or learning Unix for the first time, Chmod Toolkit gives you the knowledge, the practice, and the proof. SIMULATE REAL CERTIFICATION EXAMS Three cert-specific exam modes that match actual exam methodology. Linux+ simulation: 90 questions, 90-minute timer, scaled scoring to 720/900. LPIC-1: 60 questions with fill-in-the-blank, 90 minutes, scored to 500/800. RHCSA: 18 hands-on tasks, 3 hours, reference materials available — just like the real exam. Skip, flag, and return to any question. Domain-by-domain results tell you exactly where to improve. MASTER PERMISSIONS, NOT JUST MEMORIZE THEM Spaced repetition tracks what you actually know — not what you crammed yesterday. Reviews are scheduled based on your accuracy, spending time where it matters most. Eight question types keep you sharp: multiple choice, type the octal, symbolic conversion, true/false, scenarios, fill-in-the-blank, typed commands, and multi-step task planning. PREPARE BY EXAM DOMAIN Study by exam domain for CompTIA Linux+, LPIC-1, and RHCSA. Every question maps to specific exam objectives so you know exactly what you're covering. Domain-by-domain progress tracking tells you when you're ready to test — and where to focus when you're not. SEE YOUR GROWTH A full stats dashboard with interactive charts shows your accuracy trends, category strengths, question type breakdown, difficulty performance, and certification readiness. Triple progress rings, daily challenge streaks, and engagement metrics give you the complete picture. A COMPLETE MASTERY SYSTEM Learn the concepts with structured study topics. Practice with quizzes and daily challenges. Reinforce with flashcards that surface questions you've already attempted. Track your readiness with the stats dashboard. Prove it with exam simulation. Calculate permissions instantly, scan for security issues, and diagnose errors — all on-device. Every feature serves one goal: mastery. BUILT FOR EVERY APPLE DEVICE iPhone with haptic feedback and sound effects. iPad with full-screen layouts and split view. Mac with native sidebar navigation, keyboard shortcuts, and drag-and-drop folder scanning. iCloud syncs your progress across all your devices automatically. One purchase. No subscription. Every future update included. No account required. No data leaves your device. Your progress, your privacy.

Screenshots

Walnut4 screens
Chmod Toolkit4 screens

Verdict

The call

The clearest difference is ads: Chmod Toolkit at none against Walnut's shown. Chmod Toolkit also leads on monetization model (free vs free with in-app purchases) and ratings volume (4 vs 1). On price, rating, review sentiment and update cadence 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 and Chmod Toolkit sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Walnut against 5.0 for Chmod Toolkit. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Walnut ships an update every 4 days, Chmod Toolkit every 5 days. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.

Scorecard3 real differences · 7 level
Walnut versus Chmod Toolkit: the parameters behind the verdict, then further details
ParameterWalnutChmod Toolkit
PriceFreeFree
Rating5.0 (1 ratings)5.0 (4 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings14 — better
Update frequencyEvery 4 days — betterEvery 5 days
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS18.417.0 — better
Further details — not scored
Size28 MB31 MB
Age rating17+4+
DeveloperJiwon ParkRobert Frederique

Customer experience

Walnut

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

Chmod Toolkit

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Walnut

One-time1
  • Remove Ads$3.99
1 purchases

Chmod Toolkit

One-time1
  • Pro Features$24.99

Questions

Is Walnut free?
Walnut is free to download, with in-app purchases available.
Is Chmod Toolkit free?
Chmod Toolkit is free to download, with in-app purchases available.
Which has better reviews, Walnut or Chmod Toolkit?
Walnut and Chmod Toolkit are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.
Do Walnut or Chmod Toolkit have ads?
Walnut shows ads; Chmod Toolkit does not.
Which is updated more often, Walnut or Chmod Toolkit?
Walnut ships an update every 4 days, and Chmod Toolkit every 5 days. Most recently, Walnut was updated on October 9, 2026 and Chmod Toolkit on October 6, 2026.

Other comparisons