Comparison

AirBolt vs Letterly

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

Head to head
About

AirBolt

Manage smart locks, trackers, and cards for enhanced security and location services. Features include Bluetooth unlocking, access history, and real-time tracking for belongings, pets, or luggage. Receive alerts and share access with trusted individuals.

Highlights
  • Bluetooth smart lock unlocking
  • Real-time GPS location tracking
  • Access history logs
  • Share device access with others
  • Proximity alerts and alarms
  • Find your phone feature
Features
Read full description

The AirBolt App is used to managed your AirBolts. Our Products: *The AirBolt GPS Welcome to the best tracking experience of your life with the AirBolt GPS Tracker. This advanced device raises the bar for navigational technology, providing pinpoint accuracy for your location data at all times. Ideal for personal belongings or business assets, the AirBolt GPS Tracker offers you the most precise, real-time tracking information and an array of useful features. *The Truly Smart Portable Lock: A Bluetooth-Enabled Smart Travel Sized Lock which talks to your phone to unlock. No more keys, no more combinations! It's secure, it can help find your luggage if you lose it and you can share access with friends and family. *The AirBolt Card: A credit card like tracker that is your perfect companion to help locate anything you attach or slip it into. Some App features include: *Easy Travel Lock access: Once the app is downloaded, simply register and pair your AirBolt with your phone. In simple mode, you can just walk up to your AirBolt, press the left button on it, and it will unlock for you – because it knows it is you! You can then explore the advanced unlocking/locking features of the AirBolt including High Security modes. *Find your Phone - AirBolt Card Only Can't find your phone, simply double press your AirBolt Shield to make it ring! *History: The AirBolt tracks access history. You can see who has locked and unlocked your AirBolt – including if it was unlocked by the TSA! *Share with Family & Friends: You can share access to your AirBolt to anyone you like. It’s really simple and you can even select the duration of time they have access for. With the ability to revoke access as well, you’ll always have control over who uses your AirBolt. *Location Tracking No more lost pets, bikes, items and bags etc! With the AirBolt app, you can see the latest location with the GPS or last known location if using the Lock/Card of your AirBolt which can help find your pet/bag (or whatever you have put it on) if you lose it. *Notifications/Alarms and Geo-fencing Get push or email notification on movement, temperature, SOS etc, play sounds to find your AirBolt quicker and even set up Geo-fencing with AirBolt GPS *Proximity Alerts If the AirBolt gets too far away from you, you can also set off an alarm. Stop those nifty thief’s from running away from your items. Furthermore, when in range, use the Proximity bar you can see how far the AirBolt is from you. No more waiting around in the hustle and bustle of the luggage carousel, for your baggage to arrive. Take a seat, relax and when the app shows your AirBolt is in range, grab your stuff and you are good to go! Manage TSA Access - Smart Travel Lock Only Not only can you see when TSA has accessed the AirBolt but now you can even disable their access should you be travelling to a non-TSA region or not need the access capability. *And Much more! The AirBolt’s app is packed full of features, enjoy exploring them all and for more information, do visit www.theairbolt.com Note: Features will vary depending on the product you are using.

About

Letterly

Instantly transform your speech into polished text for notes, messages, social media, and more. Organize with custom tags, use offline, and choose from over 25 rewrite styles. Supports over 90 languages and syncs across all your devices.

Highlights
  • Speech to text transcription
  • Customizable text rewriting
  • Note organization with tags
  • Offline recording
  • Multi-language support
  • Cross-device syncing
  • Audio file upload transcription
Features
Read full description

Turn your speech into brilliant text – instantly. Write anything, anytime. Perfect for notes, messages, emails, meeting summaries, journal entries, social media posts, and much more. Find your own unique use case! HOW IT WORKS This isn’t just a transcription tool. Just record any speech, and get polished, ready-to-use text immediately. USE CASES - Note-taking: ideas, to-dos, shopping lists, plans - Communication: messages, emails, comments - Content creation: social media posts, articles, newsletters, scripts - Journaling: thoughts, emotions, memories, gratitude - Meetings: summaries, minutes, action plans USEFUL FEATURES - Tags: organize notes with custom tags for easy navigation - Offline mode: capture thoughts anytime, even without internet - Any device: iPhone, Web, Mac, or iPad – notes stay synced across all platforms - Rewrite options: choose from 25+ premade rewrite styles or create your own - 90+ languages: speak freely – language is detected automatically - Widget: start recording instantly from your home screen - Translate: convert voice notes to any language in seconds - Quick sharing: send your text anywhere via Share button or integrations like Zapier - Audio upload: transcribe recordings made outside the app - Long recordings: record up to 90 minutes per note with unlimited recordings Download and try it today! We’ve designed the app to be simple, intuitive, and perfect for daily use. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula

Screenshots

AirBolt4 screens
Letterly4 screens

Verdict

The call

The clearest difference is rating: Letterly at 4.7 against AirBolt's 2.8. Letterly also leads on review sentiment (78% vs 45%) and ratings volume (1.1K vs 45). AirBolt's advantage is in-app purchases (none vs 9). On price, update cadence, ads and iOS requirement 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. Letterly sells 9 in-app purchases, starting at $19.99 per month. AirBolt asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Letterly holds the better App Store score, 4.7 against 2.8. That said, the two scores are not equally well evidenced: Letterly has 1.1K ratings behind it against 45, so its average is the more settled of the two. Written reviews point the same way: 45% of AirBolt's written reviews are positive against 78% of Letterly's.

UpkeepUpdate frequency

AirBolt ships an update every 10 days, Letterly every 11 days. The most recent releases landed on November 2, 2026 and November 12, 2026 respectively.

Scorecard6 real differences · 4 level
AirBolt versus Letterly: the parameters behind the verdict, then further details
ParameterAirBoltLetterly
PriceFreeFree
Rating2.8 (45 ratings)4.7 (1.1K ratings) — better
Positive reviews45.1% of reviews78.1% of reviews — better
Number of ratings451.1K — better
Update frequencyEvery 10 days — betterEvery 11 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, Mac, Apple Watch — better
Requires iOS15.0 — better16.0
Further details — not scored
Size53 MB95 MB
Age rating4+4+
DeveloperAirBolt Pty LtdAnton Lebedev

Customer experience

AirBolt

All ratings45 ratings
Positive44.4%
Neutral2.2%
Negative53.3%
Written reviews51 reviews
Positive45.1%
Neutral5.9%
Negative49.0%

Letterly

All ratings1,132 ratings
Positive93.6%
Neutral1.5%
Negative4.9%
Written reviews201 reviews
Positive78.1%
Neutral4.5%
Negative17.4%

User reviews

AirBolt

From 45 App Store ratings

What we love

  • 💡 Innovative tracking feature
  • 👍 Easy to manage multiple locks
  • 🤝 Great customer service (when responsive)
  • 📱 Seamless phone unlocking
  • 🔒 Solid build quality

Room to improve

  • ❌ Lock never works
  • ❌ Bluetooth connection issues
  • ❌ App doesn't connect
  • ❌ Tracking card stopped working
  • ❌ No refunds

Letterly

From 1.1K App Store ratings

What we love

  • 🚀 Quick, easy, and consistent
  • 👍 Fantastic application
  • 👍 Game-changing app
  • 👍 Admissions
  • 👍 My go-to app

Room to improve

  • 🐛 Hopeless info and double charged
  • 🐛 A scam
  • 🐛 Big Promise, Big Fizzle
  • 🐛 NO! NO! NO!
  • 🐛 Formatting

Bugs and requests

AirBolt

Reported bugs

13 issues
  • Lock never works
  • Bluetooth connection issues
  • App doesn't connect
  • Tracking card stopped working
  • Firmware updates fail
Show 8 more
  • App crashes frequently
  • Login issues
  • Payment issues
  • Permission Denied error when sharing tracker
  • App does not open
  • Connection Timeout error
  • Device bricked by updates
  • Document Not Found pop-up alert

Requested features

9 requests
  • Improve app stability
  • Ensure consistent app and web interface
  • Implement MFA for better security
  • Offer more alert tone options
  • Fix Bluetooth connectivity issues
Show 4 more
  • Ensure reliable firmware updates
  • Improve tracking accuracy
  • Provide timely customer support
  • Honor refund requests

Letterly

Reported bugs

3 issues
  • Login screen freezes
  • Incompatible with older devices
  • When I get phone calls, I lose the entire recording

Requested features

3 requests
  • Dark mode option
  • Advanced analytics dashboard
  • Ability to use the artificial intelligence to search through all of my old notes for similar topics or keywords

In-app purchases

None

AirBolt

No in-app purchases

9 purchases

Letterly

Subscriptions7
  • PRO Subscription (1 month)$19.991 Month
  • PRO Subscription (3 months)$44.903 Months
  • PRO Subscription (1 Year)7 Days trial$69.991 Year
Show 4 more
  • PRO Subscription (1 Year)7 Days trial$79.991 Year
  • PRO Subscription (1 Year)7 Days trial$89.991 Year
  • PRO Subscription (12 months)7 Days trial$99.991 Year
  • PRO Subscription (12 months)14 Days trial$99.991 Year
One-time2
  • PRO Subscription (Lifetime)$199.99
  • PRO Subscription (Lifetime)$249.99

Questions

Is AirBolt free?
AirBolt is free to download, with no in-app purchases.
Is Letterly free?
Letterly is free to download, with in-app purchases available.
Which has better reviews, AirBolt or Letterly?
Letterly is rated higher. AirBolt averages 2.8 out of 5 from 45 ratings, while Letterly averages 4.7 from 1.1K ratings.
Do AirBolt or Letterly have ads?
Neither AirBolt nor Letterly shows ads.
Which is updated more often, AirBolt or Letterly?
AirBolt ships an update every 10 days, and Letterly every 11 days. Most recently, AirBolt was updated on November 2, 2026 and Letterly on November 12, 2026.

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