appand pre vs Dev Tool box
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
appand pre
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Build your branded mobile app ā fast, beautiful, and commission-free. Customers convert more on mobile apps than websites. Launch your own native app in hours with no code, no theme or feature add-on fees, and zero sales commission. appand gives you everything you need to grow: unlimited push notifications, automated event marketing, membership perks, sleek design, fast performance, and flexible pricing. Boost repeat purchases, increase loyalty, and own your mobile experience ā all with appand.
Dev Tool box
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DevToolbox is an essential collection of developer utilities designed to streamline your coding workflow. Whether you're debugging APIs, encoding data, or formatting JSON, DevToolbox provides the tools you need in a clean, native interface. KEY FEATURES: ⢠JSON Formatter & Validator Format, validate, and beautify JSON with syntax highlighting. Tree view visualization for better structure understanding. Built-in search functionality to find text within large JSON files. ⢠URL Encoder/Decoder Quickly encode or decode URLs for API testing and web development. RFC 3986 compliant encoding for maximum compatibility. ⢠Base64 Encoder/Decoder Convert text to Base64 and vice versa. Supports URL-safe Base64 and auto-padding. Perfect for encoding credentials, tokens, and data URIs. ⢠JWT Decoder Decode and inspect JSON Web Tokens without external services. View header, payload, and signature details instantly. Automatically handles "Bearer " prefix. ⢠Text Case Converter Transform text between various cases: camelCase, PascalCase, snake_case, kebab-case, SCREAMING_SNAKE_CASE, dot.case, UPPERCASE, lowercase, and Title Case. Smart parsing for any input format. ⢠Hash Generator Generate secure hashes using MD5, SHA-1, SHA-256, and SHA-512 algorithms. Essential for checksum verification and security testing. ⢠Unix Timestamp Converter Convert between Unix timestamps and human-readable dates. Supports seconds and milliseconds. Multiple output formats including ISO 8601, UTC, and local time. ⢠Number Base Converter Convert between Decimal, Binary, Octal, and Hexadecimal. Auto-detects input format with 0x, 0b, 0o prefix support. ⢠String Escape/Unescape Escape special characters for JSON strings or unescape encoded text. Handles \n, \t, \", \\ and more. ⢠Color Converter Convert HEX colors to RGB and HSL with live preview. Generates ready-to-use SwiftUI, UIKit, and CSS code snippets. WHY DEVTOOLBOX? ⢠Native Performance: Built with SwiftUI for blazing-fast performance ⢠Privacy First: All processing happens locally on your device ⢠Universal App: Works seamlessly on iPhone, iPad, and Mac ⢠Dark Mode Support: Easy on the eyes during late-night coding sessions ⢠No Ads, No Tracking: Just pure functionality ⢠Offline Ready: No internet connection required Perfect for mobile developers, web developers, API developers, QA engineers, security professionals, and students learning to code. DevToolbox is your pocket-sized development companion. Stop switching between websites and online tools - get everything you need in one native app.
Screenshots
Verdict
The clearest difference is ads: appand pre at none against Dev Tool box's shown. appand pre also leads on update cadence (every 6 days vs every 3 weeks) and iOS requirement (15.0 vs 18.0). On price, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
appand pre ships an update every 6 days, Dev Tool box every 3 weeks. The most recent releases landed on September 20, 2026 and September 17, 2026 respectively.
| Parameter | appand pre | Dev Tool box |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 days ā better | Every 3 weeks |
| Ads | No ā better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, Mac ā better |
| Requires iOS | 15.0 ā better | 18.0 |
| Further details ā not scored | ||
| Size | 155 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Kulucky Rangers Inc. | Seonggon Sim |
In-app purchases
appand pre
No in-app purchases
Dev Tool box
No in-app purchases









