Comparison

数字工具箱 vs 房贷计算器

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

Head to head

About

数字工具箱

Features

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包含了9种设计精美，简单实用的常用数学小工具：大写数字转换，日期间隔计算，生成随机数字，多种进制转换，颜色色值转换，重量单位换算，长度单位换算，面积单位换算，体积单位换算。

About

房贷计算器

Features

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增加最新个税计算，帮助解决购房和个税缴纳中的计算问题

Screenshots

数字工具箱3 screens

房贷计算器3 screens

Verdict

The call

The clearest difference is iOS requirement: 房贷计算器 at 9.0 against 数字工具箱'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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

数字工具箱 ships an update every 20 months, 房贷计算器 every 16 months. The most recent releases landed on October 5, 2026 and September 30, 2026 respectively.

Scorecard1 real difference · 5 level

数字工具箱 versus 房贷计算器: the parameters behind the verdict, then further details
Parameter	数字工具箱	房贷计算器
Price	Free	Free
Update frequency	Every 20 months	Every 16 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	13.0	9.0 — better
Further details — not scored
Size	6 MB	10 MB
Age rating	4+	4+
Developer	ZERONE Kids	Shanghai yunxuan Information Technology Co., Ltd

In-app purchases

None

数字工具箱

No in-app purchases

None

房贷计算器

No in-app purchases

Questions

Is 数字工具箱 free?

数字工具箱 is free to download, with no in-app purchases.

Is 房贷计算器 free?

房贷计算器 is free to download, with no in-app purchases.

Do 数字工具箱 or 房贷计算器 have ads?

Neither 数字工具箱 nor 房贷计算器 shows ads.

Which is updated more often, 数字工具箱 or 房贷计算器?

数字工具箱 ships an update every 20 months, and 房贷计算器 every 16 months. Most recently, 数字工具箱 was updated on October 5, 2026 and 房贷计算器 on September 30, 2026.