Comparison

audiOS Terminal Keyboard vs HackUDC OS

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

Head to head
About

audiOS Terminal Keyboard

This voice-to-text keyboard transcribes speech into text in near real-time, working across all iOS apps. It offers features like a safety switch for accidental sends and quick access shortcuts for terminal users. Enjoy a unique hardware-inspired aesthetic with haptic feedback and sound effects.

Highlights
  • Real-time speech transcription
  • Works in any iOS app
  • Safety switch for accidental sends
  • Terminal shortcuts
  • Live Activity status
  • Hardware-inspired aesthetic
Read full description

Voice-to-text keyboard that turns speech into text faster than you can type. audiOS sits in your keyboard tray and transcribes speech in near-real-time using Groq's Whisper API. Speak naturally. WORKS EVERYWHERE • iMessage, WhatsApp, Slack, Notes, Mail, social media — anywhere the iOS keyboard works • ARM/DISARM safety switch — armed mode submits text with a newline, disarmed mode inserts only. No accidental sends. • Built-in TMUX / Claude Code shortcut pages for terminal power users HOW IT WORKS 1. Open the audiOS app and tap START to activate the background audio service 2. Switch to any app and select the audiOS keyboard 3. Tap REC to record — speak naturally 4. Watch your transcript appear in real-time on the keyboard display 5. Tap INSERT to paste text POWER FEATURES: • LIFT - Cut the text before your cursor into a stack, INSERT to paste it anywhere else • ARM - **Claude Code only** ARM-up: INSERT adds a newline, ARM-down: INSERT submits the prompt • AUTO - **Claude Code only** Automatically press INSERT every 1 second LIVE ACTIVITY Recording status appears on your Lock Screen and Dynamic Island so you always know when the mic is hot. FINE-TUNE YOUR EXPERIENCE • Groq timeout slider — choose how long to wait for cloud transcription (5–60 seconds) before falling back to on-device dictation • Idle shutdown control — keep the audio service alive from 5 minutes to 4 hours depending on your workflow HARDWARE AESTHETIC Inspired by legendary field recorders. Convex mechanical buttons with haptic feedback and tape-deck sound effects. An OLED-style display. It's a real device. 14-DAY FREE TRIAL Try audiOS free for 14 days. $4.99 one-time purchase after trial. Audio is sent to Groq's Whisper API via our proxy server for transcription. No audio is stored on our servers. See our privacy policy for details. Requires iOS 17.0+. Keyboard extension requires Full Access enabled in Settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

HackUDC OS

Features
Read full description

hackOS is the official app for the HackUDC hackathon. It serves both participants and event staff through a single adaptive interface. For Participants: - View the event schedule with day-by-day timeline, and configure per-session reminders - Track your team's judging queue position, ETA, and room assignment in real time - Access your entrance ticket and badge QR codes, and add them to Apple Wallet - Receive push notifications for queue calls, schedule changes, and announcements - Manage your account and notification preferences For Staff/Operators: - Scan QR codes for event accreditation (check-in), badge assignment, and badge replacement - Track attendee presence with door in/out scanning - Scan meals and recordable activities with first-serving/repeat detection - Manage judging queues: call teams, and review and configure presentation teams - View a searchable roster of all attendees with real-time status

Screenshots

audiOS Terminal Keyboard4 screens
HackUDC OS4 screens

Verdict

The call

The clearest difference is in-app purchases: HackUDC OS at none against audiOS Terminal Keyboard's 2. HackUDC OS also leads on update cadence (fortnightly vs every 6 weeks) and iOS requirement (16.4 vs 26.0). On price, 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. audiOS Terminal Keyboard sells 2 in-app purchases, starting at $4.99 per month. HackUDC OS asks for nothing beyond the download.

UpkeepUpdate frequency

audiOS Terminal Keyboard ships an update every 6 weeks, HackUDC OS fortnightly. The most recent releases landed on October 8, 2026 and October 20, 2026 respectively.

Scorecard3 real differences · 6 level
audiOS Terminal Keyboard versus HackUDC OS: the parameters behind the verdict, then further details
ParameteraudiOS Terminal KeyboardHackUDC OS
PriceFreeFree
Rating5.0 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 6 weeksFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad — better
Requires iOS26.016.4 — better
Further details — not scored
Size28 MB49 MB
Age rating4+4+
DeveloperLuis GutierrezGPUL

In-app purchases

2 purchases

audiOS Terminal Keyboard

Subscriptions1
  • audiOS Pro$4.991 Month
One-time1
  • Lifetime Unlock$24.99
None

HackUDC OS

No in-app purchases

Questions

Is audiOS Terminal Keyboard free?
audiOS Terminal Keyboard is free to download, with in-app purchases available.
Is HackUDC OS free?
HackUDC OS is free to download, with no in-app purchases.
Do audiOS Terminal Keyboard or HackUDC OS have ads?
Neither audiOS Terminal Keyboard nor HackUDC OS shows ads.
Which is updated more often, audiOS Terminal Keyboard or HackUDC OS?
audiOS Terminal Keyboard ships an update every 6 weeks, and HackUDC OS fortnightly. Most recently, audiOS Terminal Keyboard was updated on October 8, 2026 and HackUDC OS on October 20, 2026.

Other comparisons