Comparison

千豆故障码查询 vs 印象家

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

各行业故障码大全

About

千豆故障码查询

Features

Read full description

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。

About

印象家

Features

Read full description

印象家致力于给用户提供优秀的设计案例，iPhone端拥有大量优秀实景案例可供用户选择。让用户的理想方案落地，是我们的追求，也是广大设计师的追求。

Screenshots

千豆故障码查询4 screens

印象家4 screens

Verdict

The call

The clearest difference is in-app purchases: 印象家 at none against 千豆故障码查询's 3. 千豆故障码查询's advantage is iOS requirement (9.0 vs 15.6). On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 千豆故障码查询 sells 3 one-off in-app purchases. 印象家 asks for nothing beyond the download.

UpkeepUpdate frequency

千豆故障码查询 ships an update every 2 months, 印象家 monthly. The most recent releases landed on September 7, 2026 and September 9, 2026 respectively.

Scorecard2 real differences · 4 level

千豆故障码查询 versus 印象家: the parameters behind the verdict, then further details
Parameter	千豆故障码查询	印象家
Price	Free	Free
Update frequency	Every 2 months	Monthly — better
Ads	No	No
In-app purchases	Yes	No — better
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	9.0 — better	15.6
Further details — not scored
Size	22 MB	4 MB
Age rating	4+	4+
Developer	Changsha Gengyun Network Technology Co., Ltd	旭峰王