# 数字工具箱 vs 房贷计算器

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.

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

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 October 16, 2026 respectively.

## The numbers

| Metric | 数字工具箱 | 房贷计算器 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 16 months** |
| Size | 6 MB | 10 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZERONE Kids](https://appshunter.io/developer/1505980126) | [Shanghai yunxuan Information Technology Co., Ltd](https://appshunter.io/developer/1547222085) |

## What reviewers say

### 数字工具箱

[App page](https://appshunter.io/ios/app/id1556630965)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 房贷计算器

[App page](https://appshunter.io/ios/app/lpr/id1564729319)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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 October 16, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*