Comparison

LiveTranslator vs CairnOS

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

Head to head
About

LiveTranslator

Facilitates real-time, face-to-face conversations between two people speaking different languages. It automatically detects spoken languages and provides on-screen text or spoken translations for seamless communication.

Highlights
  • Two-way voice translation
  • Automatic language direction
  • On-screen text and translations
  • Spoken translations and audio replay
  • Text copying functionality
Features
Read full description

Speak your language. Understand each other. LiveTranslator uses AI to help two people have a face-to-face conversation in different languages. Choose your two conversation languages and start speaking. The app identifies which of the selected languages is being spoken and automatically chooses the translation direction. Read the original text and translation, or listen to the translated speech as the conversation unfolds. Key features - Two-way voice translation for face-to-face conversations. - Automatic translation direction without switching after each speaker. - Original text and translations on screen to follow the conversation. - Spoken translations, audio replay and text copying when you need them. Use it while traveling, ordering food, asking for directions, meeting in person or chatting day to day. Select two supported languages and allow microphone access to get started. Voice translation requires an internet connection. Subscriptions If you purchase an auto-renewing subscription, the available benefits, duration and price are shown on the in-app purchase screen. Payment is charged to your Apple Account when you confirm the purchase. Your subscription renews automatically unless canceled at least 24 hours before the current period ends. Your account is charged for renewal within the 24 hours before the end of that period. Manage or cancel your subscription in your Apple Account settings. Deleting the app does not cancel your subscription. Privacy Policy: http://privacy.buidcar.cn/tscy/privacy-en.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

CairnOS

Communicate and share information without internet or cell service using a community-built mesh network. This app connects to compatible radios to enable direct messaging, channel participation, and location tracking.

Highlights
  • Off-grid LoRa mesh messaging
  • Direct messages, channels, and room servers
  • On-device message translation
  • Radio dashboard with status at a glance
  • Spectrum analysis and visualization
  • Mesh map with live traffic layer
  • Firmware updates for compatible radios
Features
Read full description

CAIRN is a companion app for MeshCore LoRa mesh radios. Pair your radio over Bluetooth or WiFi and send messages through a community-built network of radios and repeaters, with no cell service, no internet and no account. MESSAGING - Direct messages, channels and room servers in one inbox, with filters and favorites on top - Public, private and hashtag channels; share or join a channel by QR code - Delivery status, with retry for failed sends - Emoji reactions, @mentions, forwarding, search and text selection - Every hop of a message's path, on a list and a map - On-device translation of incoming messages - Chats kept on a Cairn touch radio come over to the app when you pair - Block contacts or channel senders, filter keywords and mute conversations - Sign and verify messages with your radio's identity - Optional link previews, with a warning for known malware links DASHBOARD - Battery, chats, nodes nearby, GPS, radio and network at a glance; tap a card for its settings - Your channel live on the Traffic card, in the chart style you pick, with the latest packet under it - Every tool behind one Tools button: Scan & Traffic, Send Advert, Trace Path and more - Sunrise, sunset, uptime and the radio's temperature sensor SETTINGS - One Settings page behind the gear, with search and your radio at the top - Radio presets by region, or set frequency, bandwidth, spreading factor, coding rate and TX power yourself - Front-End LNA and Boosted RX Gain on radios that have them - Firmware updates for nRF52 Cairn radios over Bluetooth, with a log if anything stops NODES & REPEATERS - Saved and heard nodes, with favorites on top, search, sort, filters and a card or list layout - A page for every node, with a map, readings and quick actions - Log in to your repeaters and room servers for status, telemetry, neighbors and an SNR map, and change their settings or use the remote CLI - Send commands to your own companion radios over the mesh (MeshCore 1.18 firmware) - Repeaters and room servers keep time: their clock is set from the phone after an admin login - Telemetry history charts, contact groups, QR sharing and a manual path editor SPECTRUM - Live noise floor, packet traffic, signal margin and airtime on your frequency, moving at the screen's pace - Five chart styles: Modern, Radio Screen, Analyzer, Waterfall and Line Chart, the same on every radio - Full screen like a radio's front panel, readouts along the top and bottom, a swipe between styles - Tap any plot for a marker with that moment's level, height over the floor and age - With a Cairn radio: its own channel history, with trace, heat map and 24-hour noise floor MAPS & GPS - Mesh map with standard, satellite and topographic layers, and offline regions - Live traffic layer that draws each packet across the map - Radio and phone GPS side by side, with a compass and a HUD that points to any node TOOLS - Scan & Traffic: each scan lists the nodes your radio hears directly, with Check Link for repeaters, while the map draws packets moving through the mesh - Nodes on Map: pin the scan's nodes, every node you've heard, your contacts or all of them; tap a pin for its page - Wardrive: repeat scans on the move and map where each node was heard - Network Health, Trace Path, Line of Sight with terrain and Fresnel zone, the RX Log and a CLI terminal IN THE CAR & AROUND iOS - CarPlay: Dashboard, Nodes and Chats, with GPS, Spectrum and Scan for Nodes; hear and answer messages with Siri - Siri and Shortcuts: check radio status, send a message or send an advert - Live Activity and Dynamic Island with connection, battery and unread count - An alert if Cairn may have stopped receiving in the background - Multiple windows on iPad MAKE IT YOURS - A color, gradient or photo background with glass cards over it - A photo or a color for any node - Backup and restore, plus CSV and GPX export

Screenshots

LiveTranslator4 screens
CairnOS4 screens

Verdict

The call

The clearest difference is in-app purchases: CairnOS at none against LiveTranslator's 2. LiveTranslator's advantage is iOS requirement (15.0 vs 18.0). On price, update cadence, ads and device support 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. LiveTranslator sells 2 in-app purchases, starting at $6.99 per 7 days. CairnOS asks for nothing beyond the download.

UpkeepUpdate frequency

LiveTranslator ships an update every 8 days, CairnOS every 5 days. The most recent releases landed on November 8, 2026 and November 12, 2026 respectively.

Scorecard3 real differences · 7 level
LiveTranslator versus CairnOS: the parameters behind the verdict, then further details
ParameterLiveTranslatorCairnOS
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews—100.0% of reviews
Number of ratings1 — better—
Update frequencyEvery 8 daysEvery 5 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better18.0
Further details — not scored
Size39 MB59 MB
Age rating4+4+
DeveloperWDMChristopher Van Hoose

Customer experience

LiveTranslator

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

CairnOS

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

LiveTranslator

Subscriptions2
  • Pro Weekly3 Days trial$6.997 Days
  • Pro Annual$69.991 Year
None

CairnOS

No in-app purchases

Questions

Is LiveTranslator free?
LiveTranslator is free to download, with in-app purchases available.
Is CairnOS free?
CairnOS is free to download, with no in-app purchases.
Do LiveTranslator or CairnOS have ads?
Neither LiveTranslator nor CairnOS shows ads.
Which is updated more often, LiveTranslator or CairnOS?
LiveTranslator ships an update every 8 days, and CairnOS every 5 days. Most recently, LiveTranslator was updated on November 8, 2026 and CairnOS on November 12, 2026.

Other comparisons