Krolf vs SX41 HF
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Krolf
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Krolf is more fun when you're not fumbling with a pencil and paper. This app turns your phone into the perfect scorecard, so you can keep your head in the game and leave the counting to us. Set up a round in seconds, tap in each shot as you go, and watch the standings update live. The app handles all the math and shows you exactly who's leading on every hole. WHAT YOU CAN DO • Start a new round with 6, 9, 12, 18, or 24 holes — or set a custom course • Add as many players as you need • Tap in scores hole by hole with a layout built for quick, one-handed entry • See running totals and live rankings throughout the game • Let the app do the math, including penalties and final standings PLAY TOGETHER • Pass-and-play on a single phone, or • Start a party game and let everyone join from their own phone with a game code or QR scan • Scores sync live across all devices — everyone sees the standings update in real time • Keeps working when the signal drops and syncs back up when you reconnect RULES AT YOUR FINGERTIPS • The complete Krolf ruleset is built right into the app • Look up any rule mid-game without leaving your scorecard TRACK YOUR PROGRESS • Detailed statistics for every player • Games played, wins, and hole-in-ones at a glance • Full per-hole breakdown for every finished game MADE TO FIT YOU • Light and dark mode, plus a range of accent themes • Course maps so you always know where you're playing • Works offline — your games are stored right on your device • Available in English and German Whether it's a casual round with friends or a serious match, Krolf keeps score so you can focus on your shot.
SX41 HF
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The software uses advanced Wi-Fi video transmission technology to realize real-time control and image transmission of toy aircraft. The main functions include: Smartphone remote control: With a Wi-Fi connection, users can easily control the flight actions of the aircraft using their mobile phones. Real-time image capture: Supports HD photo taking, video recording and selfie functions, and can instantly view and manage all media files. Gravimetric Flight: The innovative gravimetric control mode makes the flight experience more intuitive and immersive. User-friendly interface: Built-in detailed operation guide to help users quickly master all functions and improve the user experience. Real-time image transmission: Through Wi-Fi technology, the image captured by the aircraft camera is transmitted to the mobile phone screen in real time, so that users can enjoy the first view of the flight experience. The software integrates control, photography and entertainment to provide users with a full range of remote control aircraft operation experience.
Screenshots
Verdict
The clearest difference is iOS requirement: SX41 HF at 13.0 against Krolf's 16.4. On price, update cadence, ads 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 5 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.
| Parameter | Krolf | SX41 HF |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 months | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 13.0 — better |
| Further details — not scored | ||
| Size | 58 MB | 16 MB |
| Age rating | 4+ | +4 |
| Developer | Fabian Fischer | shenzhen cooingdv technology co.,ltd. |
In-app purchases
Krolf
No in-app purchases
SX41 HF
No in-app purchases









