Rubjoy vs SyncFree
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rubjoy
Control an advanced robotic arm with your smartphone. This app connects via Bluetooth to a micro-controller, allowing you to operate powerful servo motors for complex tasks. It's designed for a serious robotic platform, not a simple toy.
- Bluetooth connectivity
- Control servo motors
- Advanced robotics
- Smartphone interface
- Micro-controller integration
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RUBJOY is controlled by a smartphone app that connects via Bluetooth to the advanced robotics micro controller. RUBJOYS arms are driven by two powerful metal geared digital servo motors that do all the HARD work. RUBJOY is an actual robot, not a toy.
SyncFree
This app offers personalized control over a Syncbot device, allowing users to customize motion patterns and intensity for enhanced pleasure. It provides a secure and private experience with various motion combinations and six unique patterns for each mode.
- Personalized pleasure control
- Secure and private Syncbot operation
- Diverse motion pattern combinations
- Precise control over stroking, rotation, grip
- Six unique motion patterns per mode
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Introducing the Brand New SyncFree App - Your Ultimate Syncbot Companion for Personalized Pleasure! Brought to life by Valor & Toughness, SyncFree empowers you with secure and private control over your Syncbot, enhancing your experience with convenience and enjoyment. The updated patterns not only add excitement but also offer a myriad of options for you to savor. Experience Thrills Beyond Syncing: SyncFree ensures the thrill never fades, even when you're not syncing with videos. Immerse yourself in a realm of diverse motion pattern combinations. Mastery of Motion Control: SyncFree places the power in your hands, enabling precise control over stroking, rotation, and grip intensity. Six Mesmerizing Patterns: Amplify your pleasure with six unique motion patterns for each mode, harmonizing sensations to fulfill your desires. Ready to Ignite Your Imagination? Download SyncFree today and embark on a journey of pleasure and customization. Your ultimate satisfaction is just a click away! Discover more at www.Syncbot.com.
Screenshots
Verdict
The clearest difference is iOS requirement: Rubjoy at 10.0 against SyncFree's 14.0. On price, rating, review sentiment and ratings volume 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.
On the App Store both sit at effectively the same score — 5.0 for Rubjoy against 5.0 for SyncFree. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Rubjoy ships an update every 6 months, SyncFree every 8 months. The most recent releases landed on October 7, 2026 and September 23, 2026 respectively.
| Parameter | Rubjoy | SyncFree |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 6 months — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 10.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 82 MB | 44 MB |
| Age rating | 17+ | 17+ |
| Developer | WINKGRIN LLC | HONG KONG VALOR AND TOUGHNESS LIMITED |
Customer experience
Rubjoy
SyncFree
In-app purchases
Rubjoy
No in-app purchases
SyncFree
No in-app purchases
