Current rank
PhosphorPSK turns your iPhone into a real-time PSK31 decoder with the look of a Cold War signals terminal. Hold it to your radio's speaker, or patch the audio in, and watch the text appear on a glowing phosphor screen — amber or green, your choice, scanlines and all. PSK31 is the mode that put keyboard-to-keyboard chat on the HF bands in a bandwidth barely wider than the signal itself. PhosphorPSK decodes it, and its faster cousins PSK63 and PSK125, straight from the received audio. No cloud,
Competitors
Full chartTop of Paid · Utilities in Spain. PhosphorPSK is #36 there. Changes are over 7 days.
- #1 (number one)Change unknown
ShadowrocketShadow Launch Technology Limited - #2Change unknown
atvToolsOleksandr Hamlii - #3Change unknown
El Tubero 2.0Alfredo Pombo - #4New entry
Calculadora mecanizado metalesVladislav Zhirnov - #5Change unknown
MCT Mifare Chameleon ToolDavide Ginefra - #6Change unknown
FORScan Lite - for Ford, MazdaAleksei Savin - #7Change unknown
iVerify BasiciVerify - #8Change unknown
Stay On Target 1138Harin Wickremasinghe - #9Change unknown
JMARemotesProJMA Alejandro Altuna, S.L.U. - #10Change unknown
- #11Change unknown
Private LLM - Local AI ChatNumen Technologies Limited - #12Change unknown
Shorts Blocker for YouTubeYevhen Tretiakov - #13Change unknown
VESC ToolJeffrey Friesen - #14New entry
OBD ConnectAlphabit Software Inc. - #15New entry
Polar Scope Align ProDimitrios Kechagias - #16Change unknown
IP Cam Viewer ProNibblesnBits - #17New entry
Charles ProxyXK72 Limited - #18New entry
Easy Volume ControllerMillennium Ltd - #19New entry
FileBrowser - Document ManagerStratospherix Ltd - #20New entry
LightSpectrum ProAM PowerSoftware
Store listing
How the app presents itself on the App Store. Select a screenshot to open it full size.
What's new
Version 1.1 · 27 Sep 2026 · 25 days ago
Fixed error in waterfall display if running for a prolonged period of time Hardened FFT computations to minimise rounding errors
Current rankings
Every chart this app is in right now, best position first.
| Chart | Rank | 24 h | 7 days | Best | Days on chart |
|---|---|---|---|---|---|
| Spain· Paid · Utilities · best #36 · 1 day | #36 | New entry | Change unknown | #36 | 1 |
Rank history
Higher on the chart is better: #1 is at the top.
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The chart fills in as new snapshots arrive (once a day).
Ranking events
Entries, big moves, #1s and new versions we've recorded.
- Entered the Paid · Utilities chart at #36Spain
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