# 房贷计算器 vs Chat 6.5 Pro

The clearest difference is in-app purchases: 房贷计算器 at none against Chat 6.5 Pro's 3. 房贷计算器 also leads on iOS requirement (10.0 vs 15.0). Chat 6.5 Pro's advantage is update cadence (every 5 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Chat 6.5 Pro sells 3 in-app purchases, starting at $5.99 per 7 days. 房贷计算器 asks for nothing beyond the download.

房贷计算器 ships an update every 3 months, Chat 6.5 Pro every 5 days. The most recent releases landed on October 7, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | 房贷计算器 | Chat 6.5 Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Size | 31 MB | 11 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [海月 赵](https://appshunter.io/developer/1665052711) | [城 陈](https://appshunter.io/developer/1690538969) |

## What reviewers say

### 房贷计算器

[App page](https://appshunter.io/ios/app/and/id6446085335)

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

**In-app purchases:** none


### Chat 6.5 Pro

[App page](https://appshunter.io/ios/app/chat-65-pro-ai-chat/id6476382001)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 购买周会员 | $5.99 | per 7 days |
| 购买月vip | $9.99 | per month |
| 购买永久vip | $39.99 | 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 Chat 6.5 Pro free?

Chat 6.5 Pro is free to download, with in-app purchases available.

### Do 房贷计算器 or Chat 6.5 Pro have ads?

Neither 房贷计算器 nor Chat 6.5 Pro shows ads.

### Which is updated more often, 房贷计算器 or Chat 6.5 Pro?

房贷计算器 ships an update every 3 months, and Chat 6.5 Pro every 5 days. Most recently, 房贷计算器 was updated on October 7, 2026 and Chat 6.5 Pro on October 19, 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.*