D1 System vs 云投
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
D1 System
This app allows users to remotely manage an SMS alarm system. It enables sending text messages for home protection, configuring alarm host parameters, and setting zone and RFID card names. Users can also manage SMS codes.
- Send SMS for home protection
- Configure alarm host parameters
- Set zone names
- Set RFID card names
- Manage SMS codes
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D1 SMS alarm system 1: send text messages, deployed Chefang, home protection 2: set the alarm host parameters: hosting account, dial number 3: is set zone name 4: set RFID card name 5: SMS to code etc.
云投
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云投是中企云链首款股权融资顾问产品，致力于通过“系统+服务”的方式，为客户精准对接央、国企产业资本。 该平台结合大数据处理技术，为用户提供投融信息发布渠道，让融资人轻松融资，投资人快速寻找优质项目，服务机构开拓业务机会。并提供央投成员投资画像和每日推荐文案干货。 【1】投融资服务的桥梁 找资金，找项目，找服务，快速搭建投融桥梁，产业资本精准对接。 【2】线下专业服务团队 个性化配置专属方案，股债结合多维度赋能，助力估值维护提升。 【3】小投提供贴心服务 小投将为您提供贴心服务，顾问协议线上签署，按需定制专场路演。 【4】前沿动态文案资讯 通过人工智能，大数据等技术生成文案资讯，时时关注投融资行业前沿动态。
Screenshots
Verdict
The clearest difference is iOS requirement: D1 System at 8.0 against 云投's 13.0. 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.
D1 System ships an update every 2 months, 云投 every 5 weeks. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.
| Parameter | D1 System | 云投 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 2 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 8.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 6 MB | 129 MB |
| Age rating | 4+ | 4+ |
| Developer | China Security & Fire IOT Sensing Co., Ltd. | 中企云链股份有限公司 |
In-app purchases
D1 System
No in-app purchases
云投
No in-app purchases
