Comparison

WWPass Key vs SDR

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

Head to head
About

WWPass Key

This app provides a universal, secure, and simple authentication method, eliminating the need to remember usernames and passwords. Users can quickly log in to supported websites by scanning a QR code or tapping a button on their mobile device.

Highlights
  • Universal authentication
  • Secure login
  • Passwordless access
  • QR code scanning
  • Easy to use
Features
Read full description

The WWPass Key is your universal, secure, and easy-to-use authentication key. With WWPass Key, you don't need to remember usernames and passwords anymore. Just scan the authentication QR code on a website that supports WWPass, and you are in. Tap the QR code or click the "Log in with WWPass" button in your mobile device browser to log in on your smartphone or tablet itself.

About

SDR

Control your Icom radio remotely from your iPad, whether at home via Wi-Fi or anywhere over the internet. View spectrum scope, waterfall, and access all radio controls, including microphone and speaker functionality. Supports various Icom models and offers multiple communication modes.

Highlights
  • Remote Wi-Fi and internet control
  • Spectrum scope and waterfall display
  • Full radio control interface
  • iPad as microphone and speaker
  • Multiple communication modes (FT8, JS8, CW, Speech)
  • Integrated logbook with iCloud sync
  • DX Cluster and band plan integration
Features
Read full description

Your Icom radio on your iPad: at home over Wi-Fi or from anywhere over the internet. Made by a ham, for hams, with personal support included. SDR-Control shows the spectrum scope and waterfall of your Icom radio with all its controls on the large iPad screen. No extra hardware or software needed. WORKS WITH ■ IC-705 (Wi-Fi) ■ IC-7610, IC-7760, IC-9700, IC-7300 MK2 and the IC-R8600 receiver (radio on your network by cable) The app connects over the network only. The older IC-7300 (without MK2) has no network connection and can't be used. OPERATE ■ Spectrum scope and waterfall with band plan, DX Cluster and FT8 spots ■ Two VFOs, filters, preamp, attenuator, NB, NR, notch, AGC and more ■ Compact floating panels: tuning, PTT, CW, memories, macros, Command Bar, DTMF, RIT / ∆TX, D-Star ■ Your iPad as microphone and speaker; the radio keeps playing in the background, also with the cover closed MODES ■ FT8-Improved with AutoAnswer and AutoCQ, plus the classic FT8 ■ JS8 keyboard chat ■ CW with decoder, keyer and CW keyboard ■ Speech: incoming voice transcribed and translated, your typed text sent as speech ■ SSTV, HF-Fax, APRS and WSPR FT8-Improved, JS8, Speech and WSPR need iPadOS 26. TOOLS ■ Logbook with ADIF import and export, shared via iCloud with SmartSDR, FT-Control, TS-Control and K4-Control, on iPhone, iPad, Mac and Apple Vision Pro ■ DX Cluster, POTA, PSK Reporter, Call Lookup, Band Plan, Network Stats, Memories, Scanning, S.A.T. ■ Controllers: MIDI, CTR2, HaliKey, Pryme, Flic ■ 4O3A Genius devices and Ultra Beam antennas MADE BY A HAM Made by Marcus, DL8MRE, who has been developing apps for Apple devices since 2009 and uses this app every day in his own shack, where all supported radios are on the desk. Personal online support and a detailed manual are included. Updates with new modes and features are free: no subscription, no in-app purchases. WHAT YOU NEED ■ One of the radios above, connected to your network ■ An iPad with iPadOS 18 or later ■ For use over the internet: access to your home network from outside (see the manual) Manual: https://go-to.me/sdrcontrol-ios-manual More apps: https://ham-radio-apps.com SDR-Control is developed independently and is not affiliated with or endorsed by Icom.

Screenshots

WWPass Key4 screens

Verdict

The call

The clearest difference is price: WWPass Key at Free against SDR's $49.99. WWPass Key also leads on rating (4.9 vs 4.2) and review sentiment (100% vs 78%). SDR's advantage is update cadence (every 2 weeks vs every 3 months) and ratings volume (70 vs 10). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

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

WWPass Key is free to download; SDR costs $49.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

WWPass Key holds the better App Store score, 4.9 against 4.2. That said, the two scores are not equally well evidenced: SDR has 70 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 100% of WWPass Key's written reviews are positive against 78% of SDR's.

UpkeepUpdate frequency

WWPass Key ships an update every 3 months, SDR every 2 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
WWPass Key versus SDR: the parameters behind the verdict, then further details
ParameterWWPass KeySDR
PriceFree — better$49.99
Rating4.9 (10 ratings) — better4.2 (70 ratings)
Positive reviews100.0% of reviews — better78.0% of reviews
Number of ratings1070 — better
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad — betteriPad
Requires iOS16.6 — better17.6
Further details — not scored
Size47 MB55 MB
Age rating4+4+
DeveloperWWPass CorporationMarcus Roskosch

Customer experience

WWPass Key

All ratings10 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

SDR

All ratings70 ratings
Positive78.6%
Neutral2.9%
Negative18.6%
Written reviews82 reviews
Positive78.0%
Neutral3.7%
Negative18.3%

In-app purchases

None

WWPass Key

No in-app purchases

None

SDR

No in-app purchases

Questions

Is WWPass Key free?
WWPass Key is free to download, with no in-app purchases.
Is SDR free?
SDR costs $49.99, with no in-app purchases.
Which has better reviews, WWPass Key or SDR?
WWPass Key is rated higher. WWPass Key averages 4.9 out of 5 from 10 ratings, while SDR averages 4.2 from 70 ratings.
Do WWPass Key or SDR have ads?
Neither WWPass Key nor SDR shows ads.
Which is updated more often, WWPass Key or SDR?
WWPass Key ships an update every 3 months, and SDR every 2 weeks. Most recently, WWPass Key was updated on November 1, 2026 and SDR on November 3, 2026.

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