# BIG Plus vs One Kai Tak (II)

The clearest difference is update cadence: One Kai Tak (II) at fortnightly against BIG Plus's every 2 months. BIG Plus's advantage is iOS requirement (9.0 vs 12.4). 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.

BIG Plus ships an update every 2 months, One Kai Tak (II) fortnightly. The most recent releases landed on October 27, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | BIG Plus | One Kai Tak (II) |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 92 MB | 46 MB |
| Requires iOS | **9.0** | 12.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CardApp Limited](https://appshunter.io/developer/539151439) | [PropMan Technology Limited](https://appshunter.io/developer/1686068597) |

## What reviewers say

### BIG Plus

[App page](https://appshunter.io/ios/app/big-plus/id1531683555)

**In-app purchases:** none


### One Kai Tak (II)

[App page](https://appshunter.io/ios/app/one-kai-tak-ii/id1665102441)

**In-app purchases:** none


## Frequently asked questions

### Is BIG Plus free?

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

### Is One Kai Tak (II) free?

One Kai Tak (II) is free to download, with no in-app purchases.

### Do BIG Plus or One Kai Tak (II) have ads?

Neither BIG Plus nor One Kai Tak (II) shows ads.

### Which is updated more often, BIG Plus or One Kai Tak (II)?

BIG Plus ships an update every 2 months, and One Kai Tak (II) fortnightly. Most recently, BIG Plus was updated on October 27, 2026 and One Kai Tak (II) on November 3, 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.*