Memby vs CallSign Check
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Memby
Discover and engage with interactive programs and exercises from museums and art-based providers. Connect with local institutions or accept private programs shared directly to your account to learn and explore.
- Interactive programs and exercises
- Museum and art provider content
- Connect with local institutions
- Accept private program shares
- Save memories and reduce clutter
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Memby is the premier app for you to complete programs or exercises created by museums and other art-based or play-based providers. Two simple ways to get started: 1.Connect with a museum or provider in your area 2.Accept a private program shared directly to your account
CallSign Check
Instantly look up amateur radio callsigns from the US and worldwide. Get detailed license information, station locations, and beam headings. Also features vanity callsign hunting and real-time band conditions.
- US FCC license lookup
- Worldwide DX lookup
- Vanity callsign hunting
- Live HF propagation strip
- Station location on map
- Distance and beam heading
- Phonetic callsign readout
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CallSign Check is the fast way to look up any amateur radio callsign. Type a call, get the full picture — no account, no clutter, no waiting. US LOOKUPS (FCC) • Full license dossier from the FCC ULS database: name, license class, address, grant and expiration dates, FRN, and previous callsign • Live prefix suggestions as you type — start with "W1A" and watch the matches roll in • Station location on a map, with grid square • Distance and beam heading from your location to the station — point your antenna with confidence (your position never leaves your device) • Phonetic readout of every callsign, ready for the air DX LOOKUPS (WORLDWIDE) • Flip to VFO B and look up operators worldwide: name, country, DXCC entity, CQ and ITU zones, grid square, and QSL manager VANITY CALLSIGN HUNTING • Check whether a callsign is currently assigned before you file a vanity application • Search the FCC database by name, city, state, ZIP, or license class with Advanced Search BAND CONDITIONS AT A GLANCE • Live HF propagation strip on the home screen: solar flux, A and K indices, and band-by-band day/night conditions BUILT FOR OPERATORS • Favorites and lookup history, stored on your device • Share any station dossier with one tap • Miles or kilometers, your choice • A focused, dark, radio-room interface that does one thing well CallSign Check is not a logger or a contest tool — it's the lookup app you reach for when a call comes back to you and you want to know who's on the other end. 73! US license data comes from the FCC Universal Licensing System via callook.info. DX data provided via callsigncheck.com. Band conditions courtesy of N0NBH (hamqsl.com).
Screenshots
Verdict
The clearest difference is in-app purchases: CallSign Check at none against Memby's 2. On price, rating, ratings volume and update cadence 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
Both are free to download. Memby sells 2 in-app purchases, starting at $4.99 per month. CallSign Check asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Memby against 5.0 for CallSign Check. Both are backed by a comparable volume of ratings — 2 and 4 respectively.
Memby ships an update weekly, CallSign Check every 2 weeks. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.
| Parameter | Memby | CallSign Check |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (4 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 2 | 4 — better |
| Update frequency | Weekly — better | Every 2 weeks |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 120 MB | 36 MB |
| Age rating | 4+ | 12+ |
| Developer | Floracracy, Inc. | Andrew Murphy |
Customer experience
Memby
CallSign Check
In-app purchases
Memby
- Memby7 Days trial$4.991 Month
- Memby7 Days trial$39.991 Year
CallSign Check
No in-app purchases









