# i vs 中付合作伙伴

The clearest difference is iOS requirement: i at 10.0 against 中付合作伙伴's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

i ships an update fortnightly, 中付合作伙伴 monthly. The most recent releases landed on May 16, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | i | 中付合作伙伴 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Size | 5 MB | 51 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Robo Electronics co., Ltd.](https://appshunter.io/developer/1232651973) | [中付支付科技有限公司](https://appshunter.io/developer/1060983141) |

## What reviewers say

### i

[App page](https://appshunter.io/ios/app/i-dothermometer/id1546064427)

**Features:** macOS Compatibility

**In-app purchases:** none


### 中付合作伙伴

[App page](https://appshunter.io/ios/app/id1643661040)

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

**In-app purchases:** none


## Frequently asked questions

### Is i free?

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

### Is 中付合作伙伴 free?

中付合作伙伴 is free to download, with no in-app purchases.

### Do i or 中付合作伙伴 have ads?

Neither i nor 中付合作伙伴 shows ads.

### Which is updated more often, i or 中付合作伙伴?

i ships an update fortnightly, and 中付合作伙伴 monthly. Most recently, i was updated on May 16, 2026 and 中付合作伙伴 on September 8, 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.*