BoltKit vs Murmur BLE Shell
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
BoltKit
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BoltKit puts 10 essential developer tools in one beautifully crafted app โ right on your iPhone and iPad. Everything is completely free. ALL 10 TOOLS โ FREE โข ChmodCalc โ Unix file permissions calculator with interactive checkbox grid, octal and symbolic output, and common presets. โข CronBuilder โ Build cron expressions visually with field editors, quick presets, human-readable descriptions, and next-run previews. โข EpochTime โ Convert between Unix timestamps and human-readable dates with a live ticker, bidirectional conversion, and timezone picker. โข Base64Lab โ Encode and decode Base64 with support for URL-safe variants and automatic input detection. โข SubnetCalc โ IP subnet calculator with CIDR slider, network/broadcast addresses, usable host range, and binary view. โข DNSLookup โ Query DNS records via DNS-over-HTTPS using Cloudflare or Google resolvers. Supports A, AAAA, MX, CNAME, TXT, and more. โข HTTPCodes โ Searchable HTTP status code reference grouped by category โ 1xx through 5xx with descriptions and usage notes. โข JSONPretty โ Format, validate, and minify JSON with syntax highlighting and a collapsible tree view. โข RegexLab โ Test regex patterns with live matching, capture group extraction, flag toggles, and a library of common examples. โข JWTInspect โ Decode and inspect JWT tokens โ view header, payload, signature, algorithm, and expiry status at a glance. Every tool includes unlimited saves, full history, and export/share โ 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
Murmur BLE Shell
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murmur turns your phone into a remote control for a Raspberry Pi โ no Wi-Fi, no network setup, no port forwarding. Just Bluetooth Low Energy (BLE), directly between your phone and the Pi. HOW IT WORKS Install the open-source murmur daemon on any Raspberry Pi running Linux, pair your phone with it over Bluetooth, and you get: โข Shell mode โ a real interactive terminal on the Pi, right from your phone. โข Agent mode โ describe what you want in plain English ("what's eating my disk space?", "set up a static IP") and an AI agent plans and runs the shell commands for you, showing every command and its output as it goes. BRING YOUR OWN API KEY Agent mode is powered by your own Anthropic Claude, OpenAI, or Google Gemini API key โ entered once in Settings, stored only in your phone's secure keychain. murmur has no backend server and no account system. The only network calls it makes are the LLM requests you trigger yourself, using your own key. WORKS OFFLINE ON THE PI SIDE The Raspberry Pi never needs an internet connection. It just needs Bluetooth and the murmur daemon running. Good for headless boxes, home labs, and devices you'd rather not put on a network at all. PRIVACY BY DESIGN Everything murmur stores โ the Bluetooth pairing key, your API key, an optional per-device sudo password, and saved agent conversations โ stays on your phone in the OS-level secure store. One tap in Settings wipes it all. OPEN SOURCE Both the daemon and the app are open source: github.com/nekonihq/murmur
Screenshots
Verdict
The clearest difference is in-app purchases: Murmur BLE Shell at none against BoltKit's 1. Murmur BLE Shell also leads on update cadence (weekly vs every 3 weeks) and iOS requirement (15.1 vs 26.0). On price, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. BoltKit sells 1 one-off in-app purchase. Murmur BLE Shell asks for nothing beyond the download.
BoltKit ships an update every 3 weeks, Murmur BLE Shell weekly. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.
| Parameter | BoltKit | Murmur BLE Shell |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Weekly โ better |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 26.0 | 15.1 โ better |
| Further details โ not scored | ||
| Size | 1 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | PAUL SNYMAN | DENYS MALYKHIN |
In-app purchases
BoltKit
- BoltKit Pro$8.99
Murmur BLE Shell
No in-app purchases









