HotPaw Basic vs u64
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.
u64
Remotely manage your Ultimate64, Ultimate II+, or Commodore 64 Ultimate hardware from your iPhone. Control device functions, mount disk images, play music, and edit memory wirelessly.
- Remote device control (reset, reboot, pause)
- Load PRG, cartridge, SID, and MOD files
- Mount/unmount D64, G64, D71, G71, D81 disk images
- Memory editor with peek/poke
- Send text commands via keyboard buffer
- Access and modify device settings
- Real-time drive state monitoring
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Control your Ultimate64, Ultimate II+, or the new Commodore 64 Ultimate directly from your iPhone. Mount disks, play SID music, manage files, and configure your device — all wirelessly over your local network. DEVICE CONTROL Reset, reboot, pause, resume, and power your machine remotely. Load PRG programs, cartridge files, SID tunes, and MOD audio instantly. DISK MANAGEMENT Mount and unmount D64, G64, D71, G71, and D81 disk images without leaving your chair. DEVELOPMENT TOOLS Peek and poke memory addresses with the built-in memory editor. Send text commands through the keyboard buffer for automation and testing. CONFIGURATION Access and modify device settings. Save configurations to flash memory for permanent storage. STATUS MONITORING View real-time drive states, mounted images, and device information with instant feedback. Connects via Ethernet or Wi-Fi on your local network. Auto-discovers compatible devices. Perfect for retro gaming, C64 development, digital preservation, and educational use. Requires Ultimate64, Ultimate II+, Ultimate II, or Commodore 64 Ultimate hardware with network connectivity and REST API support.
Screenshots
Verdict
The clearest difference is rating: u64 at 5.0 against HotPaw Basic's 3.9. u64 also leads on price ($0.99 vs $4.99) and chart position (#193 vs unranked). HotPaw Basic's advantage is ratings volume (7 vs 2). On update cadence, ads, in-app purchases and monetization model 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
HotPaw Basic costs $4.99 and u64 $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
u64 holds the better App Store score, 5.0 against 3.9. Both are backed by a comparable volume of ratings — 7 and 2 respectively.
HotPaw Basic ships an update every 5 months, u64 every 3 months. The most recent releases landed on September 21, 2026 and September 15, 2026 respectively.
| Parameter | HotPaw Basic | u64 |
|---|---|---|
| Price | $4.99 | $0.99 — better |
| Rating | 3.9 (7 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 52.4% of reviews | — |
| Number of ratings | 7 — better | 2 |
| Update frequency | Every 5 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | — | #193 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.3 — better | 13.0 |
| Further details — not scored | ||
| Size | 1 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | HotPaw Productions | Marcin Spoczynski |
Customer experience
HotPaw Basic
u64
In-app purchases
HotPaw Basic
No in-app purchases
u64
No in-app purchases









