HotPaw Basic vs 73 by N0AGI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HotPaw Basic
Experience retro computing by typing and running Basic programs on your iPhone or iPad. This app functions as a programmable calculator and can display simple line graphics, Morse code audio, and perform FFT analysis.
- Retro text-mode Basic interpreter
- Programmable calculator functionality
- Simple line graphics display
- Morse Code audio output
- FFT analysis
- GPS location support
- MQTT and BTLE communications
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Calling all early-personal-computing fans, remember typing Basic programs into your home computer? HotPaw Basic recreates the retro-experience of a text-mode Basic interpreter, and it runs right on your iPhone or iPad. You can also use HotPaw Basic as a programmable calculator, or for displaying simple line graphics. The HotPaw Basic interpreter supports the minimal Basic language, including: Commands: let if then else endif dim data read restore for to step next while wend goto gosub return ? print input open close end stop mat run new list del save load dir cls rem Functions: int() abs() sgn() rnd() sqr() exp() log() log10() sin() cos() tan() atn() len() val() asc() str$() chr$() hex$() mid$() timer() date$ time$ pi Operators: + - * / mod ^ = and or xor not Also includes new command and functions to support line graphics, Morse Code audio, FFT analysis, GPS location, MQTT and BTLE communications. Line numbers are required. Type in the text of your program and type "run" to run them. See: http://www.hotpaw.com/rhn/basic/iphone/ for a more complete description of the Basic language syntax, commands and functions which this Basic interpreter supports.
73 by N0AGI
Quickly look up FCC-licensed amateur radio call signs with comprehensive details. Save favorites for offline access and customize your experience with various themes. Your data remains private with no ads or tracking.
- Search by call sign or operator name
- Filter by license class, status, state, city
- View full FCC record
- Save call signs to Favorites
- Offline access to favorites
- Customizable themes
- QR code sharing
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73 is the fastest way to look up any FCC-licensed amateur radio call sign — right from your pocket. SEARCH & FILTER - Search by call sign or operator name - Filter by license class, status, state, and city - Full FCC record: name, city/state, class, status, dates, previous call signs, FRN - Recent searches remembered for quick re-lookup FAVORITES - Save any call sign to your Favorites list - Stored locally — works offline - Filter, search, and multi-select your saved list CALL SIGN DETAIL - QR code for quick sharing - One-tap share sheet - Direct link to call.n0agi.com record THEMES 14 hand-crafted themes to match your shack: Dark: Midnight, Solar, Matrix, Neon, Gaming, Ocean, Forest, Sandstone, Arctic, Spectrum Light: Daylight, Sand, Sage, Plum PRIVACY FIRST No account. No ads. No tracking. Your data never leaves your device. Powered by the FCC Universal Licensing System. UNLOCK 20-day free trial with full access. One-time $2.99 — no subscription, ever. 73 de N0AGI
Screenshots
Verdict
The clearest difference is price: 73 by N0AGI at Free against HotPaw Basic's $4.99. 73 by N0AGI also leads on rating (5.0 vs 3.9) and update cadence (weekly vs every 5 months). HotPaw Basic's advantage is in-app purchases (none vs 1) and ratings volume (7 vs 1). On ads 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
73 by N0AGI is free to download; HotPaw Basic costs $4.99 up front. 73 by N0AGI sells 1 one-off in-app purchase. HotPaw Basic asks for nothing beyond the download.
73 by N0AGI holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: HotPaw Basic has 7 ratings behind it against 1, so its average is the more settled of the two.
HotPaw Basic ships an update every 5 months, 73 by N0AGI weekly. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.
| Parameter | HotPaw Basic | 73 by N0AGI |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 3.9 (7 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 52.4% of reviews | — |
| Number of ratings | 7 — better | 1 |
| Update frequency | Every 5 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.3 — better | 16.0 |
| Further details — not scored | ||
| Size | 1 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | HotPaw Productions | N0AGI LLC |
Customer experience
HotPaw Basic
73 by N0AGI
In-app purchases
HotPaw Basic
No in-app purchases
73 by N0AGI
- Unlock 73 by N0AGI$2.99









