FlooPen vs Quad Calcs
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
Quad Calcs
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Display four calculators and perform calculations with each one.
Screenshots
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.
| Parameter | FlooPen | Quad Calcs |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.8.3 |
| Further details — not scored | ||
| Size | 4 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | RADIOWORKS MICROELECTRONICS PTY LTD | Hideaki Uchikoshi |
In-app purchases
FlooPen
No in-app purchases
Quad Calcs
No in-app purchases









