Comparison

DevTutor vs Just Toolbox

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

Head to head
About

DevTutor

Learn to build apps with SwiftUI using replicable code samples and real-time UI previews. Access official Swift documentation offline in English and Chinese, and explore third-party packages.

Highlights
  • Replicable code samples
  • Real-time UI previews
  • Offline Swift documentation (EN/ZH)
  • Third-party package exploration
  • SwiftUI learning resources
Features
Read full description

"DevTutor" is an application designed to assist developers in creating exceptional apps using SwiftUI. It offers replicable code samples and corresponding UI previews to streamline your coding process. Additionally, it includes local offline access to the official Swift Programming Language documentation in both Chinese and English. ——————————— ◈ Main Features ◈ ——————————— ■ Provide sample code that can be used directly in your project ■ View in real time how your code affects the appearance of the application ■ Provide official bilingual Chinese and English Swift programming language documentation for offline use ■ Explore a collection of third-party packages ■ And more features... ——————————— ◈ Policies & Terms ◈ ——————————— For Privacy Policy, please visit: https://wangchujiang.com/devtutor/privacy-policy.html For Terms of Service, please visit: https://wangchujiang.com/devtutor/terms-of-service.html ——————————— ◈ Contact Me ◈ ——————————— Contact us at kennyiseeyou@gmail.com if you have any problems or questions.

About

Just Toolbox

A comprehensive suite of utilities designed to streamline iOS development. It offers tools for server monitoring, certificate management, device information, and various text and data conversions. The app supports multiple Apple platforms and provides open-source code for learning.

Highlights
  • Server status monitoring
  • SSL certificate management
  • Device information retrieval
  • QR code generation
  • Text hashing and encoding
  • Date and time format conversion
  • Integer base conversion
  • URL parsing
Features
Read full description

Welcome to Just Toolbox – the ultimate toolkit every iOS developer needs! Packed with essential utilities, our app makes your development journey smoother and more enjoyable. Just Toolbox is built with SwiftUI and work across iPhone, iPad, Apple Watch, Mac and Vision Pro. * Supports iOS, iPadOS, macOS, watchOS, visionOS * Core code is open-sourced, with tutorial articles to easily learn how to implement it PRO FEATURE * Monitor server status, check CPU/Memory usage * Manage SSL certificates, never forget to renew FREE FEATURE * Check Xcode releases and get notifications when a new version is released * Check device info like RAM, CPU, GPU, battery, etc. * Powerful QR code generator * Hash text with MD5/SHA1/SHA256/SHA224/SHA512/SHA384/SHA3/RIPEMD160 * Create tokens effortlessly whenever you need them * Convert Date and Time formats to ISO8601/ISO9075/RFC3339/RFC7231/Unix Timestamp/UTC/MongoDB ObjectID/Excel, etc. * Convert integer base between binary, octal, decimal, and hexadecimal * Base64 encode and decode * Generate random port numbers * chmod calculator * URL parser: parse a URL into its separate constituent parts (protocol, origin, params, port, username-password, etc.) * Convert colors between different formats (hex, rgb, hsl, and CSS name) * Slugify: Make a string URL, filename, and ID safe * ULID generator * UUID generator * Lorem Ipsum generator * Extract Color Palette from Image * More tools and open-source articles coming soon… If you like this app, please don't forget to support us with 5 stars rating. More features are coming soon… Term of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula Privacy Policy: https://just-apps.super.site/privacy-policy

Screenshots

DevTutor4 screens
Just Toolbox4 screens

Verdict

The call

The clearest difference is rating: DevTutor at 5.0 against Just Toolbox's 4.4. Just Toolbox's advantage is update cadence (every 3 days vs every 2 weeks) and device support (5 vs 3). On price, ratings volume, ads and in-app purchases 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. DevTutor sells 3 in-app purchases, starting at $1.99 per month and Just Toolbox sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

DevTutor holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 2 and 5 respectively.

UpkeepUpdate frequency

DevTutor ships an update every 2 weeks, Just Toolbox every 3 days. The most recent releases landed on September 15, 2026 and September 7, 2026 respectively.

Scorecard3 real differences · 7 level
DevTutor versus Just Toolbox: the parameters behind the verdict, then further details
ParameterDevTutorJust Toolbox
PriceFreeFree
Rating5.0 (2 ratings) — better4.4 (5 ratings)
Positive reviews87.5% of reviews—
Number of ratings25 — better
Update frequencyEvery 2 weeksEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad, MaciPhone, iPad, Mac, Apple Watch, Vision Pro — better
Requires iOS17.016.0 — better
Further details — not scored
Size147 MB33 MB
Age rating4+4+
Developer楚江 王哲 严

Customer experience

DevTutor

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews8 reviews
Positive87.5%
Neutral12.5%
Negative0.0%

Just Toolbox

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%

In-app purchases

3 purchases

DevTutor

Subscriptions2
  • All Access Monthly$1.991 Month
  • All Access Annually$9.991 Year
One-time1
  • All Access Lifetime$49.99
3 purchases

Just Toolbox

Subscriptions2
  • All Access (1 Month)7 Days trial$0.991 Month
  • All Access (1 Year)1 Month trial$4.991 Year
One-time1
  • Pro Lifetime$9.99

Questions

Is DevTutor free?
DevTutor is free to download, with in-app purchases available.
Is Just Toolbox free?
Just Toolbox is free to download, with in-app purchases available.
Which has better reviews, DevTutor or Just Toolbox?
DevTutor is rated higher. DevTutor averages 5.0 out of 5 from 2 ratings, while Just Toolbox averages 4.4 from 5 ratings.
Do DevTutor or Just Toolbox have ads?
Neither DevTutor nor Just Toolbox shows ads.
Which is updated more often, DevTutor or Just Toolbox?
DevTutor ships an update every 2 weeks, and Just Toolbox every 3 days. Most recently, DevTutor was updated on September 15, 2026 and Just Toolbox on September 7, 2026.

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