S vs XR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
S
Read full descriptionHide full description
1. 连接摄像头后， 可以实时查看摄像头的图像数据 2. 拍照保存精彩瞬间到手机目录 3. 浏览查看保存图片/视频
XR
Read full descriptionHide full description
小R科技仿生控制APP，支持树莓派、ESP32六足机器人以及ESP32四足机器狗及其AI视觉版
Screenshots
Verdict
The clearest difference is update cadence: XR at every 2 months against S's every 5 months. S's advantage is iOS requirement (9.0 vs 14.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
S ships an update every 5 months, XR every 2 months. The most recent releases landed on September 28, 2026 and October 1, 2026 respectively.
| Parameter | S | XR |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 19 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | ShenZhen YOUNG WIN Technology Co., Ltd. | ShenZhen Xiao R Geek Technology Co.Ltd |
In-app purchases
S
No in-app purchases
XR
No in-app purchases
