BCTO vs OneTapLight
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BCTO
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BCTO是一款由博通光电有限公司开发的用于智能终端的天文软件。 BCTO分为两部分： 1. 电子星图部分。电子星图模拟一个实时3D的星空环境，调用智能终端内部传感器计算出用户当前的手机视角所能看到的星空天象。电子星图内置多达30000颗天体数据，包括太阳系数据，88个星座数据，IC数据，Messier数据，NGC数据等等。 2. 控制部分。可以蓝牙空中接口链接到博通公司生产的无线版本的天文望远镜，实现对望远镜的无线操作。用户可以在BCTO上对望远镜执行星体校准，转动控制，搜索和跟踪天体等多种操控功能。 另外可以配合电子星图，通过可视化选择星体后实时搜索跟踪天体目标。
OneTapLight
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OneTapLight is a professional Bluetooth smart control application that provides exclusive control interfaces by scanning device QR codes, offering users convenient and stable device control experience, effectively solving problems like lost traditional remotes and aging buttons. 【Key Features】 • One-Click QR Scan: Scan device QR code to instantly get exclusive remote control • Auto Connect: Configure once, use for life. Automatically finds and connects to devices • Multi-Device Management: Support multiple devices with rename and unified management • Personalized Icons: Rich icon library makes button functions clear at a glance • Adaptive Layout: Adapts to various screen sizes, automatically adjusts control layout • Panel Switching: Support multi-panel configuration for quick scenario switching 【Use Cases】 • Smart lighting control • Bluetooth smart device management • Smart home control systems 【Support】 For questions or suggestions, contact us: sales@aschip.com Or visit official website: www.aschip.com © Shenzhen Aschip Technology Co., Ltd.
Screenshots
Verdict
The clearest difference is update cadence: OneTapLight at every 6 months against BCTO's every 28 months. BCTO's advantage is iOS requirement (9.0 vs 13.0). 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.
BCTO ships an update every 28 months, OneTapLight every 6 months. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.
| Parameter | BCTO | OneTapLight |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 28 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 32 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | 佛山市顺德区博通光电有限公司 | Shenzhen Aschip Tech Co., Ltd. |
In-app purchases
BCTO
No in-app purchases
OneTapLight
No in-app purchases
