Comparison

Telegraph vs SoundClass

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

Head to head
About

Telegraph

Learn and practice Morse code through engaging games. Explore various themed scenes to test your knowledge and recall the historical significance of this communication system. A fun way to master the international Morse code alphabet.

Highlights
  • Morse code learning games
  • Themed play scenes
  • International Morse code chart
  • Historical communication practice
  • Fun and engaging gameplay
Features
Read full description

HOW TO MEMORIZE MORSE CODE AND HAVE FUN? EASY ANSWER:BY PLAYING GAMES. LET’S PLAY TELEGRAPH AND RECOLLECT THE GOOD OLD DAYS! YOU CAN CHOOSE DIFFERENT SCENES TO PLAY WITH, AS FOLLOWING: - Mona Lisa's secret smile - Espionage Finger Signaling - Sistine Chapel Ceiling by Michelangelo - The Creation of Adam - Burj Khalifa up in the air - Butterflies Flapping - Bunny Winking - Panda Laid Back - Wartime Propaganda Posters - Uncle Sam - Rosie The Riveter - Ukiyo-E Prints - Chimps Smiling - Signal Lamp - Lightning - Traditional Telegraph-Use in Military - Missile Firing - Oil Lamp - Flower Blooming - Statue of Liberty Holding the Torch INTERNATIONAL MORSE CODE A •ー B ー••• C ー•ー• D ー•• E • F ••ー• G ーー• H •••• I •• J •ーーー K ー•ー L •ー•• M ーー N ー• O ーーー P •ーー• Q ーー•ー R •ー• S ••• T ー U ••ー V •••ー W •ーー X ー••ー Y ー•ーー Z ーー•• Morse code has been in use for more than 160 years, longer than any other electrical coding system. International Morse code today is most popular among amateur radio operators. Morse code has been employed as an assistive technology, helping people with a variety of disabilities to communicate.

About

SoundClass

This app uses AI to detect and record various sounds in your environment, providing real-time alerts. It's particularly useful for nighttime awareness, sleep analysis, and documenting incidents.

Highlights
  • AI sound detection
  • Real-time alerts
  • Sleep quality analysis
  • Sound recording and playback
  • Mosquito and animal sound detection
  • Everyday sound identification
Features
Read full description

Turn your iPhone or iPad into a personal AI sound detector. SoundClass recognizes important sounds around you, keeps a clear detection history, and helps its models adapt to your environment. HOW IT WORKS 1. Choose a category: Animals, Baby, Health, Mosquitoes, or Security. 2. Start detection and select the sensitivity that fits your room. 3. Receive a local notification when SoundClass confirms a sound. 4. Review saved audio detections as correct, incorrect, or another sound. 5. Use those reviews to train improved models for your environment. SOUNDS SOUNDCLASS CAN RECOGNIZE • Cats, dogs, and mice • Baby crying and snoring • Coughing, sneezing, and snoring • Mosquito activity • Door knocks, glass breaking, gunshots, and alarm sirens FEATURES • Live AI sound recognition on your device • Adjustable sensitivity and fine-tuning controls • Detection history with audio clips and confidence details • Audio review and personalized model training • Local notifications for confirmed detections • Optional HomeKit light response • Multiple themes with light and dark appearance Recognition accuracy can vary with distance, background noise, device placement, microphone quality, and the sound itself. SoundClass is an assistive utility and must not be used as an emergency, medical, security, or safety-critical alert system. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ GoldTime Terms and Conditions: https://goldtime.com.ar/terms.html

Screenshots

Telegraph4 screens
SoundClass4 screens

Verdict

The call

The clearest difference is price: SoundClass at Free against Telegraph's $1.99. SoundClass also leads on update cadence (every 10 days vs every 4 months). Telegraph's advantage is in-app purchases (none vs 7) and ads (none vs shown).

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

SoundClass is free to download; Telegraph costs $1.99 up front. SoundClass sells 7 in-app purchases, starting at $4.99 per month. Telegraph asks for nothing beyond the download.

UpkeepUpdate frequency

Telegraph ships an update every 4 months, SoundClass every 10 days. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

Scorecard7 real differences · 3 level
Telegraph versus SoundClass: the parameters behind the verdict, then further details
ParameterTelegraphSoundClass
Price$1.99Free — better
Rating—4.4 (10 ratings) — better
Positive reviews20.0% of reviews—
Number of ratings—10 — better
Update frequencyEvery 4 monthsEvery 10 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad
Requires iOS9.0 — better26.0
Further details — not scored
Size70 MB54 MB
Age rating4+12+
Developer俊 姜Javier Ariel Bargas

Customer experience

Telegraph

Written reviews10 reviews
Positive20.0%
Neutral0.0%
Negative80.0%

SoundClass

All ratings10 ratings
Positive80.0%
Neutral10.0%
Negative10.0%

In-app purchases

None

Telegraph

No in-app purchases

7 purchases

SoundClass

Subscriptions2
  • Gold Monthly$4.991 Month
  • Gold Yearly$44.991 Year
One-time5
  • Battery x 10$0.99
  • 100 Credits$0.99
  • Battery x 40$1.99
Show 2 more
  • 500 Credits$2.99
  • 1000 Credits$4.99

Questions

Is Telegraph free?
Telegraph costs $1.99, with no in-app purchases.
Is SoundClass free?
SoundClass is free to download, with in-app purchases available.
Do Telegraph or SoundClass have ads?
SoundClass shows ads; Telegraph does not.
Which is updated more often, Telegraph or SoundClass?
Telegraph ships an update every 4 months, and SoundClass every 10 days. Most recently, Telegraph was updated on October 8, 2026 and SoundClass on October 6, 2026.

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