远方谱照 vs BACH
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
远方谱照
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1.本软件是远方公司专门为SIS-20无线光谱辐照度计开发的APP. 2.本软件通过蓝牙与仪器进行连接. 3.本软件的使用请参考仪器附赠的SIS-20用户手册.
BACH
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BACH遥控灯是一款基于Socket通讯的App。可以连接网关、添加设备、分组，分配场景，分配区域，配置任务，调试灯具等功能。
Screenshots
Verdict
The clearest difference is device support: 远方谱照 at 3 against BACH's 1. BACH's advantage is iOS requirement (12.0 vs 15.6). On price, update cadence, ads and in-app purchases 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.
远方谱照 ships an update every 4 months, BACH every 2 months. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.
| Parameter | 远方谱照 | BACH |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 7 MB |
| Age rating | 4+ | 9+ |
| Developer | Hangzhou Everfine Photo-e-info Co., Ltd. | 惠州市西顿工业发展有限公司 |
In-app purchases
远方谱照
No in-app purchases
BACH
No in-app purchases
