# 发票查验真伪 vs 房贷计算器

The clearest difference is in-app purchases: 房贷计算器 at none against 发票查验真伪's 10. 房贷计算器 also leads on update cadence (every 3 months vs every 7 months) and iOS requirement (10.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. 发票查验真伪 sells 9 one-off in-app purchases. 房贷计算器 asks for nothing beyond the download.

发票查验真伪 ships an update every 7 months, 房贷计算器 every 3 months. The most recent releases landed on November 11, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | 发票查验真伪 | 房贷计算器 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Size | 10 MB | 31 MB |
| Requires iOS | 16.0 | **10.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [广州票易得数据科技有限公司](https://appshunter.io/developer/1582157104) | [海月 赵](https://appshunter.io/developer/1665052711) |

## What reviewers say

### 发票查验真伪

[App page](https://appshunter.io/ios/app/id1582157102)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1天3张 | $0.99 | one-time |
| 15张发票 | $2.99 | one-time |
| 50张发票 | $4.99 | one-time |
| 200张发票 | $7.99 | one-time |
| 100张发票 | $9.99 | one-time |
| 150张发票 | $9.99 | one-time |
| 200张发票 | $19.99 | one-time |
| 购买12个月会员 | $45.99 | one-time |
| 12个月 | $99.99 | one-time |


### 房贷计算器

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

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

**In-app purchases:** none


## Frequently asked questions

### Is 发票查验真伪 free?

发票查验真伪 is free to download, with in-app purchases available.

### Is 房贷计算器 free?

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

### Do 发票查验真伪 or 房贷计算器 have ads?

Neither 发票查验真伪 nor 房贷计算器 shows ads.

### Which is updated more often, 发票查验真伪 or 房贷计算器?

发票查验真伪 ships an update every 7 months, and 房贷计算器 every 3 months. Most recently, 发票查验真伪 was updated on November 11, 2026 and 房贷计算器 on November 12, 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.*