# Kalamanta vs Button

The clearest difference is in-app purchases: Kalamanta at none against Button's 3. Button's advantage is update cadence (every 3 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Button sells 3 in-app purchases, starting at $9.99 per 7 days. Kalamanta asks for nothing beyond the download.

Kalamanta ships an update fortnightly, Button every 3 days. The most recent releases landed on October 1, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Kalamanta | Button |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (12 ratings)](https://appshunter.io/ios/app/button-fertility-matchmaking/id6590634827/reviews)** |
| Number of ratings | — | **12** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 24 MB | 90 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Kalamanta Limited](https://appshunter.io/developer/1715818072) | [Zeta Technologies, LLC](https://appshunter.io/developer/928163532) |

## What reviewers say

### Kalamanta

[App page](https://appshunter.io/ios/app/kalamanta/id6471656402)

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

**In-app purchases:** none


### Button

[App page](https://appshunter.io/ios/app/button-fertility-matchmaking/id6590634827)

This platform connects individuals and couples seeking to start families with egg donors, sperm donors, and surrogate mothers. Users can create profiles, search a global network, and securely message potential matches to facilitate their journey to parenthood.

**Highlights:** Connect with donors and surrogates, Search global network, Browse user profiles, Secure in-app messaging, Share personal stories and preferences

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Button Plus (Weekly) | $9.99 | per 7 days |
| Button Plus (Monthly) | $29.99 | per month |
| Button Plus (3 Monthl) | $59.99 | per 3 months |


## Frequently asked questions

### Is Kalamanta free?

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

### Is Button free?

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

### Do Kalamanta or Button have ads?

Neither Kalamanta nor Button shows ads.

### Which is updated more often, Kalamanta or Button?

Kalamanta ships an update fortnightly, and Button every 3 days. Most recently, Kalamanta was updated on October 1, 2026 and Button on October 10, 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.*