Comparison

钥匙尺子 vs 简学识字

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

Head to head

About

钥匙尺子

Features

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用于通过拍摄的钥匙图来帮助读出钥匙齿号信息。 1、选择与需要读齿号信息的钥匙相同的钥匙胚； 2、保证光线充足，使手机和钥匙处于水平状态，尽量拍出足够清晰的钥匙齿信息； 3、将钥匙头部对齐参考线，调整钥匙图片大小和位置，使之与绘制线框等宽； 4、操作方向按钮确定钥匙齿号位置； 5、根据齿号位置确定齿号信息；

About

简学识字

Features

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【应用简介】简学识字是一款针对幼儿从简到深的汉字认识学习工具型应用。通过田字格书写、笔顺演示、智能听写等功能，帮助幼儿从识字，写字开始。【主要功能】 • 汉字学习 • 汉字听写 • 田字格书写 - 错字复习 • 智能听写 - 标准普通话发音 - 支持单听写 - 错字自动记录 • 护眼功能 - 可开启护眼模式 - 降低屏幕蓝光 - 舒适阅读体验 - 保护儿童眼睛，长时间使用不疲劳【产品特色】 • 界面简洁：操作直观，专注书写体验 • 离线使用：无需联网，随时可用 • 本地存储：保护隐私，数据安全 • 进度追踪：记录学习历程，激励坚持【使用场景】 • 幼儿识字，认写书写练习 • 听写，笔顺规范训练 • 错字针对性练习【技术支持】如有问题或建议，欢迎联系：106603222@qq.com

Screenshots

钥匙尺子4 screens

简学识字4 screens

Verdict

The call

The clearest difference is in-app purchases: 钥匙尺子 at none against 简学识字's 2. 钥匙尺子 also leads on iOS requirement (10.0 vs 15.0). 简学识字's advantage is update cadence (every 2 days vs fortnightly). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 简学识字 sells 2 one-off in-app purchases. 钥匙尺子 asks for nothing beyond the download.

UpkeepUpdate frequency

钥匙尺子 ships an update fortnightly, 简学识字 every 2 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 3 level

钥匙尺子 versus 简学识字: the parameters behind the verdict, then further details
Parameter	钥匙尺子	简学识字
Price	Free	Free
Update frequency	Fortnightly	Every 2 days — better
Ads	No	No
In-app purchases	No — better	Yes
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	10.0 — better	15.0
Further details — not scored
Size	31 MB	2 MB
Age rating	4+	4+
Developer	Wuxi Kaiyang Electronic Technology Co., Ltd.	小慧罗