# Kalkine vs dolphn

The clearest difference is in-app purchases: dolphn at none against Kalkine's 10. dolphn also leads on ads (none vs shown). Kalkine's advantage is iOS requirement (13.4 vs 15.5.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Kalkine sells 1 one-off in-app purchase. dolphn asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Kalkine | dolphn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Size | 86 MB | 114 MB |
| Requires iOS | **13.4** | 15.5.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Kalkine Holdings Pty Ltd](https://appshunter.io/developer/1608170917) | [Sandeep Chandra](https://appshunter.io/developer/1710349501) |

## What reviewers say

### Kalkine

[App page](https://appshunter.io/ios/app/kalkine/id1608170825)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Screener Access | $299.00 | one-time |


### dolphn

[App page](https://appshunter.io/ios/app/dolphn/id6477337594)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kalkine free?

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

### Is dolphn free?

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

### Do Kalkine or dolphn have ads?

Kalkine shows ads; dolphn does not.

### Which is updated more often, Kalkine or dolphn?

Kalkine ships an update every 2 weeks, and dolphn every 2 weeks. Most recently, Kalkine was updated on October 13, 2026 and dolphn on October 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*