Comparison

FlooPen vs Quad Calcs

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

Head to head
About

FlooPen

This app enables the use of Apple Pencil and finger touch input on Windows devices. It supports advanced Apple Pencil features like altitude and azimuth, with low-latency Bluetooth connectivity for a seamless drawing experience. Inputs remain offline for enhanced privacy.

Highlights
  • Use Apple Pencil on Windows
  • Finger touch as pen/mouse input
  • Supports altitude and azimuth
  • Low-latency Bluetooth connection
  • Offline input for privacy
  • Firmware update guidance
Features
Read full description

Experience the Ultimate Drawing Freedom on Windows with FlooGoo FMA100 Bluetooth Dongle! Our unique FlooGoo FMA100 Bluetooth Dongle empowers you to use Apple Pencil or finger touches seamlessly with a variety of drawing apps on Windows. All Apple Pencil sensor data, including altitude and azimuth, seamlessly transfer to Windows without the need for any additional drivers on Windows 10/11. Simply plug in the dongle, connect with your preferred app, and start creating. Thanks to its low-latency Bluetooth connection, you won't even notice any lag. Plus, it supports finger touch as a pen or mouse input for your Windows device, with the option to simulate pen pressure using a second finger swipe. Unlike some network-based solutions, your inputs remain offline, ensuring the utmost privacy. If a firmware update is required for your FlooGoo FMA100 dongle, our app will guide you through the process effortlessly. It typically takes about 2 minutes and involves a few brief disconnections and reconnections. The OpenTablet driver can be used to seamlessly map the drawing area to a specified region on your desktop. Download the app and explore our user guide for comprehensive details.

About

Quad Calcs

Features
Read full description

Display four calculators and perform calculations with each one.

Screenshots

Quad Calcs1 screens

Verdict

The call

The clearest difference is ads: FlooPen at none against Quad Calcs's shown. FlooPen also leads on iOS requirement (13.0 vs 15.8.3). Quad Calcs's advantage is device support (3 vs 1). On price, update cadence and in-app purchases 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

Scorecard3 real differences · 7 level
FlooPen versus Quad Calcs: the parameters behind the verdict, then further details
ParameterFlooPenQuad Calcs
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 2 weeksEvery 2 weeks
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPadiPhone, iPad, iPod — better
Requires iOS13.0 — better15.8.3
Further details — not scored
Size4 MB36 MB
Age rating4+4+
DeveloperRADIOWORKS MICROELECTRONICS PTY LTDHideaki Uchikoshi

In-app purchases

None

FlooPen

No in-app purchases

None

Quad Calcs

No in-app purchases

Questions

Is FlooPen free?
FlooPen is free to download, with no in-app purchases.
Is Quad Calcs free?
Quad Calcs is free to download, with no in-app purchases.
Do FlooPen or Quad Calcs have ads?
Quad Calcs shows ads; FlooPen does not.
Which is updated more often, FlooPen or Quad Calcs?
FlooPen ships an update every 2 weeks, and Quad Calcs every 2 weeks. Most recently, FlooPen was updated on October 6, 2026 and Quad Calcs on October 4, 2026.

Other comparisons