Bwine Drone vs String Tension Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bwine Drone
Connect your drone via Wi-Fi to view real-time aerial footage on your mobile device. Remotely control drone movements and capture stunning visuals from above.
- Wi-Fi drone connection
- Real-time image display
- Remote drone control
- Aerial photography
- FPV streaming
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This is an APP that connects the drone through the mobile phone'S WIFI, displays the images taken by the aircraft in real time, and can control the drone remotely
String Tension Calc
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Unlock the perfect tone and playability with precise string tension calculations. Whether you are a luthier, technician, or player, this app helps you optimize your guitar setup instantly. The intuitive String Tension Dashboard displays real-time data for all six strings. Simply input your scale length, string gauge, and tuning to see exact tension in pounds. Avoid breakage and improve intonation with data-driven precision. Designed for speed and accuracy, this tool supports standard and alternate tunings. Get the perfect feel for your instrument today. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Bwine Drone at none against String Tension Calc's 4. Bwine Drone also leads on iOS requirement (9.0 vs 17.0). On price, update cadence, ads 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
Both are free to download. String Tension Calc sells 4 in-app purchases, starting at $2.99 per 7 days. Bwine Drone asks for nothing beyond the download.
Bwine Drone ships an update monthly, String Tension Calc every 3 weeks. The most recent releases landed on October 16, 2026 and September 28, 2026 respectively.
| Parameter | Bwine Drone | String Tension Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (40 ratings) — better | — |
| Positive reviews | 36.4% of reviews | — |
| Number of ratings | 40 — better | — |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 9.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 176 MB | 44 MB |
| Age rating | 17+ | 4+ |
| Developer | Shenzhen Coolle Chaowan Technology Co.,Ltd. | Vasilii Polovnikov |
In-app purchases
Bwine Drone
No in-app purchases
String Tension Calc
- Premium$2.997 Days
- Premium$3.991 Month
- Premium$5.991 Year
- Lifetime$7.99
Questions
Is Bwine Drone free?
Is String Tension Calc free?
Do Bwine Drone or String Tension Calc have ads?
Which is updated more often, Bwine Drone or String Tension Calc?
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