# 房贷计算器 vs Sleep

The clearest difference is in-app purchases: Sleep at none against 房贷计算器's 2. Sleep also leads on ads (none vs shown). 房贷计算器's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. 房贷计算器 sells 2 in-app purchases, starting at $0.99 per month. Sleep asks for nothing beyond the download.

房贷计算器 ships an update every 2 months, Sleep every 3 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | 房贷计算器 | Sleep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (34 ratings)](https://appshunter.io/ios/app/lpr/id1330266768/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Ad-supported | — |
| Size | 20 MB | 42 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Zhumadian Yicheng District Huatuo Internet Information Service Co., Ltd.](https://appshunter.io/developer/1330266767) | [无锡特文思达健康科技有限公司](https://appshunter.io/developer/1766062011) |

## What reviewers say

### 房贷计算器

[App page](https://appshunter.io/ios/app/lpr/id1330266768)

This professional mortgage calculator handles commercial, provident fund, and combined loans. It supports both equal principal and interest, and equal principal repayment methods. Get real-time mortgage rate updates and access strategies for early repayment to optimize your loan plan.

**Highlights:** Commercial, provident fund, and combined loan calculations, Equal principal and interest repayment, Equal principal repayment, Early repayment strategies, Real-time mortgage rate updates

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月订阅 | $0.99 | per month |
| 年订阅 | $4.99 | per year |


### Sleep

[App page](https://appshunter.io/ios/app/sleep-tight/id6738379204)

**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 in-app purchases available.

### Is Sleep free?

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

### Do 房贷计算器 or Sleep have ads?

房贷计算器 shows ads; Sleep does not.

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

房贷计算器 ships an update every 2 months, and Sleep every 3 months. Most recently, 房贷计算器 was updated on October 25, 2026 and Sleep on October 25, 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.*