RANVOO vs A
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RANVOO
Control and manage various smart wearable devices, including neck fans, neck air conditioners, and heaters. Offers a convenient way to adjust settings and monitor your devices.
- Control neck fans
- Manage neck air conditioners
- Operate heaters
- Device settings adjustment
- Device monitoring
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Supports smart devices, such as neck fans, neck air conditioners, heaters and more
A
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A-tube 帮帮是一款为长辈和家人设计的简洁协助入口。 遇到手机使用问题时，长辈可以先选择预先设置的可信家人，再由系统打开 FaceTime。通话开始后，可按 FaceTime 的系统提示共享屏幕；只有长辈亲自确认后，家人才可能进行协助操作。 主要特点： • 大字、大按钮、步骤清楚 • 最多设置 4 位可信家人 • 一键打开 FaceTime 视频通话 • 清楚提示屏幕共享和控制需要本人确认 • 联系人资料、头像和家属设置码只保存在本机 • 不含广告、订阅、分析或用户跟踪 • 不录制、不上传通话或屏幕内容 安全提醒：请只向熟悉且可信的家人共享屏幕。不要向陌生人、客服、银行或自称公检法的人员共享屏幕。 本 App 不自行提供远程控制服务。视频通话、屏幕共享和远程控制能力由 Apple FaceTime 与系统功能提供，并受设备、系统版本、地区和 Apple 服务可用性影响。
Screenshots
Verdict
The clearest difference is update cadence: A at every 2 days against RANVOO's every 3 weeks. RANVOO's advantage is iOS requirement (13.0 vs 18.0). 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.
RANVOO ships an update every 3 weeks, A every 2 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | RANVOO | A |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (6 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 3 weeks | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 79 MB | 3 MB |
| Age rating | 9+ | 4+ |
| Developer | Shenzhen Lanhe Technology Co., Ltd. | 真 陆 |
In-app purchases
RANVOO
No in-app purchases
A
No in-app purchases
