# Abelian vs Cairn

The clearest difference is in-app purchases: Abelian at none against Cairn's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Cairn sells 3 in-app purchases, starting at $2.99 per month. Abelian asks for nothing beyond the download.

## The numbers

| Metric | Abelian | Cairn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/abelian/id6475756639/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free | — |
| Size | 73 MB | 6 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [ABELIAN FOUNDATION LTD.](https://appshunter.io/developer/1716751736) | [Juergen Klaassen](https://appshunter.io/developer/1871604977) |

## What reviewers say

### Abelian

[App page](https://appshunter.io/ios/app/abelian/id6475756639)

Manage your digital assets within the Abelian blockchain and its Layer 2 network. This enhanced wallet offers a secure and streamlined experience for sending, receiving, and overseeing your cryptocurrency holdings.

**Highlights:** Abelian ecosystem asset management, QDay Layer 2 network support, Seamless sending and receiving, Redesigned user interface, Advanced security features

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

**In-app purchases:** none


### Cairn

[App page](https://appshunter.io/ios/app/cairn-your-expense-tracker/id6762088614)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cairn Premium (Monthly) | $2.99 | per month |
| Cairn Premium (Annual) | $19.99 | per year |
| Cairn Premium (Lifetime) | $49.99 | one-time |


## Frequently asked questions

### Is Abelian free?

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

### Is Cairn free?

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

### Do Abelian or Cairn have ads?

Neither Abelian nor Cairn shows ads.

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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.*