# Yi vs PAK Start

The clearest difference is update cadence: Yi at every 2 months against PAK Start's every 6 months. Yi also leads on iOS requirement (9.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Yi ships an update every 2 months, PAK Start every 6 months. The most recent releases landed on September 16, 2026 and May 31, 2026 respectively.

## The numbers

| Metric | Yi | PAK Start |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Size | 62 MB | 203 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Shenzhen Zhixin Wulian Technology Co., Ltd.](https://appshunter.io/developer/1521588847) | [PAK Corporation Co., Ltd.](https://appshunter.io/developer/989675146) |

## What reviewers say

### Yi

[App page](https://appshunter.io/ios/app/yi-lock/id1440240769)

**Features:** macOS Compatibility

**In-app purchases:** none


### PAK Start

[App page](https://appshunter.io/ios/app/pak-start/id1620994014)

**In-app purchases:** none


## Frequently asked questions

### Is Yi free?

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

### Is PAK Start free?

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

### Do Yi or PAK Start have ads?

Neither Yi nor PAK Start shows ads.

### Which is updated more often, Yi or PAK Start?

Yi ships an update every 2 months, and PAK Start every 6 months. Most recently, Yi was updated on September 16, 2026 and PAK Start on May 31, 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.*