# 房贷计算器 vs Date Calculator

The clearest difference is in-app purchases: 房贷计算器 at none against Date Calculator's 4. 房贷计算器 also leads on iOS requirement (9.0 vs 17.3). Date Calculator's advantage is update cadence (every 9 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Date Calculator sells 4 in-app purchases, starting at $3.99 per 7 days. 房贷计算器 asks for nothing beyond the download.

房贷计算器 ships an update every 4 months, Date Calculator every 9 days. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 房贷计算器 | Date Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/date-calculator-datemath/id6773030545/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 35 MB | 4 MB |
| Requires iOS | **9.0** | 17.3 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Huanda Information Technology Co., Ltd.](https://appshunter.io/developer/1533789635) | [亦彬 潘](https://appshunter.io/developer/1522872222) |

## What reviewers say

### 房贷计算器

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Date Calculator

[App page](https://appshunter.io/ios/app/date-calculator-datemath/id6773030545)

Easily calculate the duration between two dates, with options for minute-level precision. Customize themes and languages for a personalized experience. Enjoy local calculations without needing an account.

**Highlights:** Calculate days between dates, Optional time selection for minute precision, Clean, native iOS design, Theme and language settings, Local calculation without account

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $3.99 | per 7 days |
| Monthly Subscription | $4.99 | per month |
| Yearly Subscription | $19.99 | per year |
| Lifetime Premium | $29.99 | one-time |


## 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 Date Calculator free?

Date Calculator is free to download, with in-app purchases available.

### Do 房贷计算器 or Date Calculator have ads?

Neither 房贷计算器 nor Date Calculator shows ads.

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

房贷计算器 ships an update every 4 months, and Date Calculator every 9 days. Most recently, 房贷计算器 was updated on October 10, 2026 and Date Calculator on October 8, 2026.

---

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