Sandan Grading Plus vs XFoil
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sandan Grading Plus
This app provides a comprehensive breakdown of 3rd Dan karate techniques, including stationary targets, Kumite sets, and all required 3rd Dan kata. It also features detailed bunkai (application analysis) for each kata and includes three advanced kata.
- 3rd Dan techniques breakdown
- Stationary targets
- Kihon Ippon Kumite sets
- Jiyu Ippon Kumite sets
- All 3rd Dan kata
- Advanced kata included
- Detailed kata bunkai
Read full descriptionHide full description
3RD DAN APP For the first time a 3rd dan app with all techniques broken down. Stationary targets, Kihon Ippon Kumite set 1 – 7 and Jiyu Ippon Kumite sets 1 – 5. All 3rd dan kata’s : Bassai Sho, Chinte, Gankaku, Hangetsu, Meikyo, Sochin, Tekki Nidan an Tekki Sandan. Also included three advanced kata’s Gojushiho Dai, Gojushiho Sho, and Unsu. All kata’s have detailed bunkai to accompany them.
XFoil
Connect to your electric hydrofoil board to customize settings like motor power and throttle curves. Access training videos, manuals, and customer support resources. Tune your ride for optimal performance and safety.
- Bluetooth LE board connection
- User setting customization
- Motor power adjustment
- Throttle curve tuning
- Safety feature configuration
- Training video library
Read full descriptionHide full description
XFoil App connects to the XFoil Hydrofoil board via Bluetooth LE interface. This app allows you to customize and tune your user settings by adjusting the displayed user name on the remote control, set maximum delivered motor power, throttle curves, safety features and more. The app also includes a library of training and tutorial videos, online store links, manuals, and information where to obtain customer support.
Screenshots
Verdict
The clearest difference is price: XFoil at Free against Sandan Grading Plus's $10.99. XFoil also leads on update cadence (every 6 weeks vs every 18 months) and iOS requirement (13.0 vs 15.5). 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
XFoil is free to download; Sandan Grading Plus costs $10.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Sandan Grading Plus ships an update every 18 months, XFoil every 6 weeks. The most recent releases landed on September 16, 2026 and September 9, 2026 respectively.
| Parameter | Sandan Grading Plus | XFoil |
|---|---|---|
| Price | $10.99 | Free — better |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | — | 2 — better |
| Update frequency | Every 18 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.5 | 13.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | Gursharan Sahota | PLX Devices, INC. |
Customer experience
Sandan Grading Plus
XFoil
In-app purchases
Sandan Grading Plus
No in-app purchases
XFoil
No in-app purchases
Questions
Is Sandan Grading Plus free?
Is XFoil free?
Do Sandan Grading Plus or XFoil have ads?
Which is updated more often, Sandan Grading Plus or XFoil?
Other comparisons
