VRF解锁 vs 千豆故障码查询
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VRF解锁
This utility app allows users to manage projects and devices, including creating new projects, viewing lists and details, and handling device unlocking through codes or files. It also supports scanning for device identification.
- Create new projects
- View project lists
- View project details
- Manage device lists
- View device details
- Apply for unlocking
- Process approvals
- Unlock via code or file
- Scan for device identification
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核心功能： ①新建项目 ②项目列表 ③项目详情 ④设备列表 ⑤设备详情 ⑥解锁申请 ⑦审批处理 ⑧解锁码解锁/文件解锁 ⑨扫码设备识别
千豆故障码查询
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千豆故障码查询是一款专门为工控人开发的故障代码查询APP，涵盖ABB、西门子、台达、汇川、正弦等国内外品牌的变频器故障查询，除了对各品牌的常见故障代码做了全面展示外，还有该故障代码对应的解决方案查询。 解决师傅在维修时对于故障码，和故障灯不知道打具体代表什么含义，和不知道该故障具体解决方案是什么问题的工具。师傅只需要通过电器故障码，或指示灯，就可明确电器的故障原因，和故障维修的解决方案。目标是减少师傅维修的学习成本，和提升师傅的维修能力，实现只需要使用该工具，所有故障码代表的故障原因和解决方案都可随时查询。
Screenshots
Verdict
The clearest difference is in-app purchases: VRF解锁 at none against 千豆故障码查询's 3. VRF解锁 also leads on update cadence (monthly vs every 2 months). 千豆故障码查询's advantage is iOS requirement (9.0 vs 12.0). On price, ads 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. 千豆故障码查询 sells 3 one-off in-app purchases. VRF解锁 asks for nothing beyond the download.
VRF解锁 ships an update monthly, 千豆故障码查询 every 2 months. Both last shipped on September 23, 2026.
| Parameter | VRF解锁 | 千豆故障码查询 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 64 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Qingdao Haier Air-Condition Electronic Co.,Ltd. | Changsha Gengyun Network Technology Co., Ltd |
In-app purchases
VRF解锁
No in-app purchases
千豆故障码查询
- 30天会员$0.99
- 季卡会员$2.99
- 年卡会员$7.99
