Comparison

Hear Boost vs Annotate Audio

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

Head to head
About

Hear Boost

Amplify your hearing and record distant sounds with this app. It allows you to capture conversations and ambient noises at up to 200x your microphone's normal capacity. Features include microphone input selection, voice filtering, and an equalizer for sound adjustment.

Highlights
  • Enhanced hearing and recording
  • Capture distant conversations
  • Up to 200x microphone amplification
  • Selectable microphone input
  • Voice filter switch
  • Adjustable equalizer
  • Background operation
Read full description

Hear Boost gives you enhanced hearing and recording ability to easily capture far away conversations and sounds. Hear the world around you in an enhanced way like you may have never heard it before. Listen and record up to 200x what your microphone normally delivers. Choose from any microphone input. A recording and hearing tool for journalists, students, parents, the curious or anyone who wants to enhance their hearing. Our microphone input and voice filter switch make this app the perfect tool for journalists to record interviews and students to record lectures. Add the equalizer to dial in or reduce certain sounds. Explore ((Spaces)) to hear the world through spacey environments. Hear Boost can work in the background so you can place your device anywhere with the display off while it’s still monitoring or recording. There is no limit to recording. It will keep recording until you stop it or your storage has run out of free space. We suggest you use headphones. Without headphones connected it will feedback on itself and make a very unpleasant sound. Use with any Bluetooth headset. All subscriptions include all features! Subscriptions: Monthly - $4.99 USD 6 Months - $14.99 USD Yearly - $19.99 ALSO BY FUTURE MOMENTS: Jam Recorder You Jam. We Split into Stems Podcast Cleaner Remove Noise from Audio Video Audio Splitter MSV Remix Remix the Audio of Your Video MicSwap Remix AI Audio Stem Separator Audio Cleaner AI Audio Cleanup Magic MAIVE AI Video Generator VideoVerb Add Reverb to Your Videos Hear Boost Get Super Hearing & Recording MicSwap Mic Modeler & Recorder MicSwap MultiTrack Multitrack Mic Modeler & Recorder MicSwap Video Edit Video Audio with Mic Models & FX MicSwap Camera The Best Sounding Video Camera AudioFix Denoise & Clean the Sound of Your Video VideoMaster Instant Audio Post-Production for Videos AudioVerb Add Reverb & Delay to Your Audio AudioMaster Audio Mastering for Podcasts & Music Volume Booster Easily Boost the Sound of Your Audio or Video --- Privacy Policy: https://future-moments.com/termsandprivacy#privacy Terms of Use: https://future-moments.com/termsandprivacy

About

Annotate Audio

Features
Read full description

Teach your iPhone to recognise any sound. Then let it listen for you, recording only when that sound happens. Annotate Audio learns the sounds you care about: your dog barking, a snore, a cough, a baby crying, a doorbell. Leave it listening overnight or while you're out, and come back to clips of exactly what you asked for, sorted into folders. No hours of silence to scroll through. HOW IT WORKS 1. Pick a sound. Each sound gets its own folder. Add a "Not …" folder too, so it learns the difference. 2. Record some reps. Every recording is a rep. Five reps of two sounds is enough to start. 3. Tap Train. Your model is built right on your iPhone in a few minutes. No cloud, no code. 4. Turn on auto record. It listens and saves a clip every time it hears your sound. NEVER MISS THE START Auto record keeps a short rolling buffer, so every clip begins before the sound did. Manual recordings can include the 2 seconds before you tapped record, too. A DOG THAT LEARNS WITH YOU Your pixel pup levels up as you record: Puppy, Learning, Good dog, Top dog. It earns a collar at 5 reps, a tag at 50 and a crown at 100, and tells you what it still needs before it can train. MADE FOR REAL LIFE • Barking or whining while you're away • Snoring, sleep talking and coughing at night • A baby crying in the next room • Doorbells, alarms, appliances and machines • Birds, wildlife and field recordings • Any sound you want to catch, count or collect FEATURES • Train custom sound classifiers on your iPhone • Auto record triggered by the sounds you trained • Detects several sounds at once and files each clip in its own folder • Low, mid and high confidence settings • Pre-buffer so clips start before the sound • Manual recording, open-ended or 5 seconds • Live waveform and clip playback • Move clips between folders to clean up your training data • Switch between several trained models • Keeps listening in the background, and dims the screen when the phone is face down or covered • iCloud sync of recordings and models across your devices • ZIP export of recordings, including a training layout for Create ML on Mac PRIVATE BY DESIGN Training and listening happen on your device. No account. No ads. No tracking. Your recordings stay in your own iCloud. ONE PRICE Pay once. No subscription. FOR MAKERS AND RESEARCHERS Annotate Audio is also a quick way to collect and label audio datasets in the field and train Core ML sound models without writing code: bioacoustics, machine monitoring, smart-home experiments, or checking whether a sound is recognisable before you build.

Screenshots

Hear Boost4 screens
Annotate Audio3 screens

Verdict

The call

The clearest difference is price: Hear Boost at Free against Annotate Audio's $9.99. Hear Boost also leads on device support (3 vs 1). Annotate Audio's advantage is in-app purchases (none vs 18) and update cadence (weekly vs every 3 weeks). On 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

Hear Boost is free to download; Annotate Audio costs $9.99 up front. Hear Boost sells 15 in-app purchases, starting at $2.99 per 7 days. Annotate Audio asks for nothing beyond the download.

UpkeepUpdate frequency

Hear Boost ships an update every 3 weeks, Annotate Audio weekly. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

Scorecard4 real differences · 6 level
Hear Boost versus Annotate Audio: the parameters behind the verdict, then further details
ParameterHear BoostAnnotate Audio
PriceFree — better$9.99
Rating4.2 (12K ratings) — better—
Positive reviews50.1% of reviews—
Number of ratings12K — better—
Update frequencyEvery 3 weeksWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscription—
DevicesiPhone, iPad, Mac — betteriPhone
Requires iOS17.6 — better18.0
Further details — not scored
Size73 MB7 MB
Age rating4+4+
DeveloperFuture MomentsMarco Luthi

Bugs and requests

Hear Boost

Reported bugs

4 issues
  • Recordings not saving properly
  • Equalizer not working as expected
  • Constant feedback/distortion
  • App freezing/crashing on launch

Requested features

5 requests
  • Microphone selection option
  • Noise cancellation feature
  • Bluetooth speaker support
  • Real-time transcription
  • Hearing aid integration

Annotate Audio

Not enough reviews yet to summarise bugs or requests.

In-app purchases

15 purchases

Hear Boost

Subscriptions9
  • Weekly$2.997 Days
  • Weekly$4.997 Days
  • Monthly2 variants$4.991 Month
Show 6 more
  • Monthly1 Month trial2 variants$4.991 Month
  • 6 Months$7.996 Months
  • Trial + Annual3 Days trial2 variants$14.991 Year
  • 6 Months$14.996 Months
  • Annual + Trial3 Days trial$14.991 Year
  • Annual + Trial3 Days trial$19.991 Year
One-time6
  • Transcription up to 1 hour$0.99
  • Unlimited Use Forever$1.99
  • Transcription up to 2 hours$1.99
Show 3 more
  • Transcription up to 3 hours$2.99
  • Custom Equalizer$3.99
  • All Spaces$4.99
None

Annotate Audio

No in-app purchases

Questions

Is Hear Boost free?
Hear Boost is free to download, with in-app purchases available.
Is Annotate Audio free?
Annotate Audio costs $9.99, with no in-app purchases.
Do Hear Boost or Annotate Audio have ads?
Neither Hear Boost nor Annotate Audio shows ads.
Which is updated more often, Hear Boost or Annotate Audio?
Hear Boost ships an update every 3 weeks, and Annotate Audio weekly. Most recently, Hear Boost was updated on October 30, 2026 and Annotate Audio on October 27, 2026.

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