# i票夹 vs 优氪发票

The clearest difference is in-app purchases: 优氪发票 at none against i票夹's 3. i票夹's advantage is iOS requirement (9.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. i票夹 sells 3 one-off in-app purchases. 优氪发票 asks for nothing beyond the download.

## The numbers

| Metric | i票夹 | 优氪发票 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Size | 137 MB | 20 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [广州湛蓝数据科技有限公司](https://appshunter.io/developer/1289620254) | [Beijing Yidea Mobile Technology Co., Ltd.](https://appshunter.io/developer/1027667203) |

## What reviewers say

### i票夹

[App page](https://appshunter.io/ios/app/i/id1492974248)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 企业套餐-20人800张发票 | $109.99 | one-time |
| 企业套餐-50人1000张发票 | $249.99 | one-time |
| 企业套餐-100人3000张发票 | $599.99 | one-time |


### 优氪发票

[App page](https://appshunter.io/ios/app/id6758774988)

**In-app purchases:** none


## Frequently asked questions

### Is i票夹 free?

i票夹 is free to download, with in-app purchases available.

### Is 优氪发票 free?

优氪发票 is free to download, with no in-app purchases.

### Do i票夹 or 优氪发票 have ads?

Neither i票夹 nor 优氪发票 shows ads.

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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.*