# 房贷计算器 vs 擎天柱Plus

The clearest difference is ads: 擎天柱Plus at none against 房贷计算器's shown. 擎天柱Plus also leads on iOS requirement (11.0 vs 13.0). On price, update cadence, in-app purchases and device support there is nothing between them.

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

房贷计算器 ships an update every 10 days, 擎天柱Plus every 9 days. The most recent releases landed on September 27, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 房贷计算器 | 擎天柱Plus |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 112 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Black Box Network Technology Co., Ltd.](https://appshunter.io/developer/1526609856) | [vanke](https://appshunter.io/developer/1245066763) |

## What reviewers say

### 房贷计算器

[App page](https://appshunter.io/ios/app/lpr/id1626308458)

This utility app quickly calculates mortgage payments using the latest loan interest rates. It's designed to help users save money when buying a home by providing fast and accurate calculations.

**Highlights:** Automatic calculations, Batch processing, Fast calculation speed, Latest loan interest rates (2023), Helps save money on home purchases

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

**In-app purchases:** none


### 擎天柱Plus

[App page](https://appshunter.io/ios/app/plus/id1642904923)

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

**In-app purchases:** none


## Frequently asked questions

### Is 房贷计算器 free?

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

### Is 擎天柱Plus free?

擎天柱Plus is free to download, with no in-app purchases.

### Do 房贷计算器 or 擎天柱Plus have ads?

房贷计算器 shows ads; 擎天柱Plus does not.

### Which is updated more often, 房贷计算器 or 擎天柱Plus?

房贷计算器 ships an update every 10 days, and 擎天柱Plus every 9 days. Most recently, 房贷计算器 was updated on September 27, 2026 and 擎天柱Plus on October 7, 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.*