Comparison

HotPaw Basic vs K4us French Keyboard

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

K4us French Keyboard

Read full description

For iPhone User please try "AEI Keyboard Note" App. (This app is Free) Original French Keyboard for iPhone & iPad * With Arrow Keys * AEI Keyboard for iPhone (It is our own idea!) * Easy to input “É Ó À È Ì Ò Ù é ó à è ì ò ù Ç ç œ Œ æ Æ" * iPad Special Ten Keys like PC Ten Keys. About AEI Keyboard - Only One Push to input Vowel (letter). - Less than Two Push to input Alphabet. (any letter) - Input faster with Two Thumbs. Useful keyboard Settings (tap"tools") You can turn off Key Sound from it. * Please add this Keyboard from iOS Setting and switch "Allow Full Access"

Screenshots

HotPaw Basic1 screens
K4us French Keyboard4 screens

Verdict

The call

The clearest difference is update cadence: HotPaw Basic at every 5 months against K4us French Keyboard's every 19 months. HotPaw Basic also leads on iOS requirement (12.3 vs 15.6). K4us French Keyboard's advantage is price ($0.99 vs $4.99). On ads, in-app purchases and device support 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

HotPaw Basic costs $4.99 and K4us French Keyboard $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

HotPaw Basic ships an update every 5 months, K4us French Keyboard every 19 months. The most recent releases landed on September 6, 2026 and August 28, 2026 respectively.

Scorecard3 real differences · 7 level
HotPaw Basic versus K4us French Keyboard: the parameters behind the verdict, then further details
ParameterHotPaw BasicK4us French Keyboard
Price$4.99$0.99 — better
Rating3.9 (7 ratings) — better—
Positive reviews52.4% of reviews—
Number of ratings7 — better—
Update frequencyEvery 5 months — betterEvery 19 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.3 — better15.6
Further details — not scored
Size1 MB3 MB
Age rating4+4+
DeveloperHotPaw ProductionsToshihiro Nakane

In-app purchases

None

HotPaw Basic

No in-app purchases

None

K4us French Keyboard

No in-app purchases

Questions

Is HotPaw Basic free?
HotPaw Basic costs $4.99, with no in-app purchases.
Is K4us French Keyboard free?
K4us French Keyboard costs $0.99, with no in-app purchases.
Do HotPaw Basic or K4us French Keyboard have ads?
Neither HotPaw Basic nor K4us French Keyboard shows ads.
Which is updated more often, HotPaw Basic or K4us French Keyboard?
HotPaw Basic ships an update every 5 months, and K4us French Keyboard every 19 months. Most recently, HotPaw Basic was updated on September 6, 2026 and K4us French Keyboard on August 28, 2026.

Other comparisons