# 房贷计算器 vs GrandWall

The clearest difference is update cadence: GrandWall at every 6 days against 房贷计算器's every 4 months. 房贷计算器's advantage is iOS requirement (9.0 vs 17.0). On price, ads, 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 4 months, GrandWall every 6 days. The most recent releases landed on October 10, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 房贷计算器 | GrandWall |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 days** |
| Size | 35 MB | 86 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Huanda Information Technology Co., Ltd.](https://appshunter.io/developer/1533789635) | [草帽公社](https://appshunter.io/developer/1855749198) |

## What reviewers say

### 房贷计算器

[App page](https://appshunter.io/ios/app/lpr/id1533791475)

**Features:** macOS Compatibility

**In-app purchases:** none


### GrandWall

[App page](https://appshunter.io/ios/app/grandwall/id6772698396)

**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 GrandWall free?

GrandWall is free to download, with no in-app purchases.

### Do 房贷计算器 or GrandWall have ads?

Neither 房贷计算器 nor GrandWall shows ads.

### Which is updated more often, 房贷计算器 or GrandWall?

房贷计算器 ships an update every 4 months, and GrandWall every 6 days. Most recently, 房贷计算器 was updated on October 10, 2026 and GrandWall on October 4, 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.*