Flash Tree vs Goosky
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flash Tree
Synchronize countdown timers across multiple devices for group races or events. Start races instantly without needing external assistance. Ideal for competitive activities where precise timing is crucial.
- Synced countdown timers
- Group race functionality
- Start races instantly
- Multi-device synchronization
- Customizable countdowns
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Flash Tree is like having a synced countdown in your pocket. No more having to ask someone to start a race. Just select your preferred countdown, hit start, and GO! You can sync multiple devices to the same countdown for a group race. Flash Tree has 2 payment options Free: You can join any race invited by others for free Paid: The app asks for $1.99/month subscription to start race and invite others. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Goosky
This application allows users to precisely adjust and set parameters for helicopter models. It provides real-time battery voltage detection and features a simple, convenient interface for comprehensive control. Designed for model aircraft enthusiasts, it enhances the user experience with powerful functions.
- Precise parameter adjustment
- Real-time battery voltage detection
- Simple and convenient interface
- Comprehensive helicopter parameter settings
- Easy operation
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S2 combins the cutting-edge information technology and mechanical structure. Using high-precision sensors and innovative control algorithms, the production control is highly stable, and it is a powerful and reliable product; GOOSKY is an exclusive application created by Goosky Technology for helicopter model users. It accurately adjusts and sets aircraft parameters, detects battery voltage in real time, and is easy to operate, bringing users a better experience; Key highlights 1: The interface is simple and the operation is convenient; 2: Powerful functions, all-round setting and adjustment of helicopter parameters; Goosky Technology Innovation Co., Ltd. (GOOSKY) is located in Zhenggao Creative Industrial Park, Xiaolan Town, Zhongshan City, Guangdong. It is mainly engaged in the design, manufacture and sales of UAVs, model aircraft, power systems and accessories. The company was founded in 2021, owning model aircraft and drone brand GOOSKY. The core team has about 10~20 years of industry work experience. The main products are aerobatic model helicopters, industrial drones and power system accessories. The GOOSKY R&D team has many years of experience in design and flight testing. It adopts innovative technology and develops high-quality products attentively. It has a number of design patents now. GOOSKY adhere to the development concept of quality first. We are customer-oriented, aiming to improve product performance and quality, continue to innovate and develop more satisfactory products for customers. With many years experiances in design, test, ect., Goosky R&D team adopts innovative technology, develop high quality product. There’re different a number of Goosky design patents .
Screenshots
Verdict
The clearest difference is review sentiment: Flash Tree at 100% against Goosky's 0%. Flash Tree also leads on rating (4.0 vs 2.7) and update cadence (every 10 days vs every 11 months). Goosky's advantage is in-app purchases (none vs 1). On price, ratings volume, 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. Flash Tree sells 1 in-app purchase, starting at $9.99 per month. Goosky asks for nothing beyond the download.
Flash Tree holds the better App Store score, 4.0 against 2.7. Both are backed by a comparable volume of ratings — 4 and 9 respectively. Written reviews point the same way: 100% of Flash Tree's written reviews are positive against 0% of Goosky's.
Flash Tree ships an update every 10 days, Goosky every 11 months. The most recent releases landed on June 4, 2026 and September 17, 2026 respectively.
| Parameter | Flash Tree | Goosky |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) — better | 2.7 (9 ratings) |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 4 | 9 — better |
| Update frequency | Every 10 days — better | Every 11 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 30 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | BUILDMYPAGE, LLC | Zhongshan Goosky Technology Innovation Co., Ltd. |
Customer experience
Flash Tree
Goosky
In-app purchases
Flash Tree
- Flash Tree Subscription$9.991 Month
Goosky
No in-app purchases









