# PAIR UP vs KaKa

The clearest difference is in-app purchases: KaKa at none against PAIR UP's 9. KaKa also leads on update cadence (every 6 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PAIR UP sells 9 in-app purchases, starting at $19.99 per month. KaKa asks for nothing beyond the download.

PAIR UP ships an update every 4 months, KaKa every 6 days. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | PAIR UP | KaKa |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 days** |
| Size | 53 MB | 35 MB |
| Requires iOS | 13.0 | **12.4** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Mars Concepts Limited](https://appshunter.io/developer/1560797471) | [IoT (Shenzhen) Sharing Technology Co., Ltd](https://appshunter.io/developer/1726546490) |

## What reviewers say

### PAIR UP

[App page](https://appshunter.io/ios/app/pair-up-applied-metaphysics/id1563181044)

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pair Up Advance Membership | $19.99 | per month |
| Pair Up 高級會籍 | $29.99 | per month |
| Pair Up VIP Membership (1 m.) | $39.99 | per month |
| Pair Up Advance Membership | $39.99 | per 3 months |
| Pair Up Advance Membership | $71.99 | per 3 months |
| Pair Up Advance Membership | $129.99 | per year |
| Pair Up VIP 會籍 | $189.99 | per 3 months |
| Pair Up VIP Membership (12 m.) | $299.99 | per year |
| Pair Up Matching Report | $49.99 | one-time |


### KaKa

[App page](https://appshunter.io/ios/app/kaka/id6476378497)

**In-app purchases:** none


## Frequently asked questions

### Is PAIR UP free?

PAIR UP is free to download, with in-app purchases available.

### Is KaKa free?

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

### Do PAIR UP or KaKa have ads?

Neither PAIR UP nor KaKa shows ads.

### Which is updated more often, PAIR UP or KaKa?

PAIR UP ships an update every 4 months, and KaKa every 6 days. Most recently, PAIR UP was updated on October 5, 2026 and KaKa on October 11, 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.*