Comparison

SendBySound vs Morse Field Signal

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

Head to head
About

SendBySound

Features
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SendBySound transforms your text into sound waves, letting you share messages with nearby devices using nothing but audio. No internet connection, no Bluetooth pairing, no accounts โ€” just pure sound. HOW IT WORKS Type your message, tap Send, and your device plays an encoded audio signal. Any nearby device running SendBySound (or listening at SendBySound.com) can instantly decode and display your message. It's like a modern-day morse code, but automatic and instant. PERFECT FOR - Sharing Wi-Fi passwords, contact info, or quick notes - Sending messages when internet is unavailable - Transferring text between devices without pairing - Tech demos and educational purposes - Situations where privacy and offline capability matter KEY FEATURES โ—† No Internet Required Works completely offline. Your messages travel through sound, not servers. โ—† No Accounts or Sign-up Open the app and start sending. No registration, no personal data collected. โ—† Cross-Platform Compatible Send messages between iPhone, iPad, and any web browser at SendBySound.com. โ—† Private by Design Messages are transmitted directly between devices via sound waves. Nothing is stored in the cloud. โ—† Multiple Sound Modes Choose between audible tones or near-ultrasonic frequencies for quieter transmission. โ—† Simple & Fast Just type, tap, and transmit. Receiving is equally easy โ€” tap Listen and hold your device near the sender. TIPS FOR BEST RESULTS - Keep devices within a few feet of each other - Minimize background noise for clearer transmission - Use audible mode for maximum reliability - Works great for messages up to 133 characters Whether you're sharing a quick note in a meeting, sending info to a friend's phone, or just exploring a clever new way to communicate โ€” SendBySound makes it simple, private, and fun. Download now and experience the magic of data over sound!

About

Morse Field Signal

Read full description

Morse Field Signal is a free, offline Morse code tool for iPhone. โ€ข Encode โ€” type text and get Morse you can copy or send. โ€ข Decode โ€” paste or type Morse and read the message. โ€ข Signal โ€” transmit with your camera's flash or an audible tone. โ€ข Listener โ€” record Morse from the mic and decode the full clip; save recordings to replay or re-deode later. โ€ข Settings โ€” unit length, tone frequency, and optional tips to support development. The app is completely free. All features are included. Optional tips in Settings are voluntary and unlock nothing. Built for learning and practice. No accounts. No analytics. No tracking. Core features run entirely on your device. For education and entertainment, not for emergency or life-safety use. Privacy Policy: https://www.keremcal.dev/apps/morse-field-signal/privacy Terms of Use: https://www.keremcal.dev/apps/morse-field-signal/terms

Screenshots

SendBySound1 screens
Morse Field Signal4 screens

Verdict

The call

The clearest difference is in-app purchases: SendBySound at none against Morse Field Signal's 3. Morse Field Signal's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Morse Field Signal sells 3 in-app purchases, starting at $1.99 per 7 days. SendBySound asks for nothing beyond the download.

Scorecard2 real differences ยท 4 level
SendBySound versus Morse Field Signal: the parameters behind the verdict, then further details
ParameterSendBySoundMorse Field Signal
PriceFreeFree
Update frequencyโ€”Weekly
AdsYesNo โ€” better
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad โ€” betteriPhone
Requires iOS16.0 โ€” better17.0
Further details โ€” not scored
Size3 MB2 MB
Age rating4+4+
DeveloperWill JacksonKerem CAL

In-app purchases

None

SendBySound

No in-app purchases

3 purchases

Morse Field Signal

Subscriptions3
  • Weekly3 Days trial$1.997 Days
  • Monthly3 Days trial$4.991 Month
  • Yearly3 Days trial$19.991 Year

Questions

Is SendBySound free?
SendBySound is free to download, with no in-app purchases.
Is Morse Field Signal free?
Morse Field Signal is free to download, with in-app purchases available.
Do SendBySound or Morse Field Signal have ads?
SendBySound shows ads; Morse Field Signal does not.

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