Developer Tools vs BoltKit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Developer Tools
This app consolidates over 30 essential developer utilities into a single, offline application. It provides tools for formatting, encoding, decoding, generating data, and testing code snippets without needing an internet connection. Enjoy a privacy-first approach with a one-time purchase and extensive customization options.
- Over 30 offline developer tools
- JSON formatter and converter
- Base64 encoder/decoder
- Fake data generator
- Regular expression evaluator
- REST API client
- Customizable themes and highlighting
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Exabox puts over 30 essential developer utilities in a single offline app. Stop searching for random websites every time you need to format JSON, decode Base64, generate dummy data, or test a regular expression. AVAILABLE TOOLS: • Backslash Escaper/Unescaper • Base64 Encoder/Decoder • Color Formats Converter • Cookie Builder • Cookie Parser • Date & Time Parser • Fake Data Generator • Hash Generator • Hexadecimal Encoder/Decoder • HTML Escaper/Unescaper • JSON Formatter • JSON/YAML/TOML/GSON Converter • JWT Token Parser • Math Expression Evaluator • Number Base Converter • QR Code Generator • Regular Expression Evaluator • REST API Client • Text Comparator • Text Inspector • Text Transformer • Timezone Comparator • URL Builder • URL Encoder/Decoder • URL Parser • UUID Parser & Generator BENEFITS: • Works 100% offline - your data stays on your device • Privacy-first approach with no data collection • One-time purchase, no subscriptions • 60+ app themes and 90+ code highlighting options • Instant tool search functionality Get all your dev tools in one secure, professional workspace.
BoltKit
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BoltKit puts 10 essential developer tools in one beautifully crafted app — right on your iPhone and iPad. Everything is completely free. ALL 10 TOOLS — FREE • ChmodCalc — Unix file permissions calculator with interactive checkbox grid, octal and symbolic output, and common presets. • CronBuilder — Build cron expressions visually with field editors, quick presets, human-readable descriptions, and next-run previews. • EpochTime — Convert between Unix timestamps and human-readable dates with a live ticker, bidirectional conversion, and timezone picker. • Base64Lab — Encode and decode Base64 with support for URL-safe variants and automatic input detection. • SubnetCalc — IP subnet calculator with CIDR slider, network/broadcast addresses, usable host range, and binary view. • DNSLookup — Query DNS records via DNS-over-HTTPS using Cloudflare or Google resolvers. Supports A, AAAA, MX, CNAME, TXT, and more. • HTTPCodes — Searchable HTTP status code reference grouped by category — 1xx through 5xx with descriptions and usage notes. • JSONPretty — Format, validate, and minify JSON with syntax highlighting and a collapsible tree view. • RegexLab — Test regex patterns with live matching, capture group extraction, flag toggles, and a library of common examples. • JWTInspect — Decode and inspect JWT tokens — view header, payload, signature, algorithm, and expiry status at a glance. Every tool includes unlimited saves, full history, and export/share — no limits, no paywalls, no in-app purchases. PRIVACY FIRST BoltKit runs entirely on your device. No accounts, no tracking, no analytics, no data collection. Your data never leaves your iPhone or iPad. Built with Apple's Liquid Glass design for iOS 26. Zero third-party dependencies. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://boltkit.app/privacy-policy.html Terms of Service: https://boltkit.app/terms-of-service.html
Screenshots
Verdict
The clearest difference is device support: Developer Tools at 4 against BoltKit's 2. Developer Tools also leads on iOS requirement (13.0 vs 26.0). On price, update cadence, 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
Both are free to download. Developer Tools sells 1 one-off in-app purchase and BoltKit sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Developer Tools ships an update every 6 weeks, BoltKit every 3 weeks. The most recent releases landed on October 6, 2026 and October 28, 2026 respectively.
| Parameter | Developer Tools | BoltKit |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 102 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Alberto Malagoli | PAUL SNYMAN |
In-app purchases
Developer Tools
- Lifetime$4.99
BoltKit
- BoltKit Pro$8.99









