TR vs SOS Beam
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
TR
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TR-48DSP is an automotive audio processor tuning app that allows users to adjust various sound quality effects to suit their personal listening preferences.
SOS Beam
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Turn your phone into a Morse code signal light. SOS Beam sends real, correctly timed Morse code using your camera flash or your full screen. Tap once for SOS, or type any message and watch it flash out letter by letter. No internet, no account, no setup. TWO WAYS TO SIGNAL - Flashlight: your camera's LED flash, visible over long distances after dark - Screen: the entire display strobes bright white, for when your flash is unavailable or you want a wider, softer light ONE TAP FOR SOS The universal distress signal is always one tap away, and repeats automatically until you stop it. No menus, no typing. SEND ANY MESSAGE Type up to 40 characters. Full A-Z and 0-9 supported. Check the Morse preview before you send, then transmit it on a loop. CONTROL THE TIMING Three ready-made speeds: Slow, Normal and Fast. Or tune every interval yourself: - Dot duration: 50-1000 ms - Pause between letters: 100-1500 ms - Dash duration: 150-2000 ms - Pause between words: 200-3000 ms One tap restores the defaults. BUILT FOR ACTUAL USE - Tap anywhere on the strobe to stop instantly - Haptic feedback confirms every action - Signal counter tracks your transmissions - Works completely offline 18 LANGUAGES ... WHEN YOU MIGHT NEED IT ... free, supported by ads
Screenshots
Verdict
The clearest difference is ads: TR at none against SOS Beam's shown. TR also leads on iOS requirement (12.2 vs 15.0). SOS Beam's advantage is update cadence (daily vs every 6 weeks). On price, 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.
TR ships an update every 6 weeks, SOS Beam daily. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | TR | SOS Beam |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Daily β better |
| Ads | No β better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.2 β better | 15.0 |
| Further details β not scored | ||
| Size | 57 MB | 19 MB |
| Age rating | 17+ | 4+ |
| Developer | δΌ ι | Bohdan Pylyptsiv |
In-app purchases
TR
No in-app purchases
SOS Beam
No in-app purchases









