SOSLight vs MorseFlash
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
SOSLight
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Turn your phone into a Morse code beacon. SOSLight blinks your flashlight (or full-screen white light) in international Morse code so rescuers, hikers, and sailors can spot your signal in the dark. When the power is out, when you are off-grid, or when you simply need to be seen β tap a preset and let the light do the talking. KEY FEATURES β’ Plain flashlight mode β one tap for instant, steady light β’ Built-in emergency presets β SOS, HELP, FIRE, MAYDAY, CQD, SOS-PAN, recognized worldwide β’ Custom messages β type any phrase and it is converted to Morse automatically β’ Infinite loop playback β keeps signaling until rescuers arrive β’ Automatic fallback β uses the screen as a beacon on devices without a torch β’ 100% on-device β no network, no account, no ads, no tracking WHO IT IS FOR β’ Hikers, climbers, sailors, and night cyclists who need a visible distress signal β’ Anyone preparing for power outages, earthquakes, or natural disasters β’ Students and hobbyists learning Morse code β’ Outdoor enthusiasts who want a dependable signal light PRIVACY SOSLight does not access your camera images, photos, location, or network. The only permission it requests is flashlight (torch) control, and nothing is collected, stored, or transmitted off the device. Emergencies do not announce themselves. Keep SOSLight on your home screen and call for help with light when seconds matter.
MorseFlash
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MorseFlash turns your iPhone into a two-way Morse code light signaling device. TRANSMIT Type a message and MorseFlash blinks it out as Morse code using your flashlight β perfect for line-of-sight signaling, learning, or just having fun. Loop a message to send it continuously. RECEIVE Point your camera at a flashing light source and MorseFlash decodes the Morse signal back into text in real time. FEATURES β’ Send Morse code via your device's flashlight (torch) β’ Receive and decode Morse light signals with the camera β’ Real-time light detection β’ Works completely offline β no account, no internet required β’ Clean, simple, dark interface Whether you're a hobbyist, a scout, learning Morse code, or preparing for the unexpected, MorseFlash makes light-based signaling easy.
Screenshots
Verdict
The clearest difference is iOS requirement: MorseFlash at 17.0 against SOSLight's 26.0. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | SOSLight | MorseFlash |
|---|---|---|
| Price | Free | Free |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone | iPhone |
| Requires iOS | 26.0 | 17.0 β better |
| Further details β not scored | ||
| Size | 2 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | heewook shin | YIPING TAN |
In-app purchases
SOSLight
No in-app purchases
MorseFlash
No in-app purchases





