# Abacus for Firefly III vs Cattio

The clearest difference is update cadence: Cattio at every 4 days against Abacus for Firefly III's monthly. Cattio also leads on iOS requirement (13.0 vs 15.1). 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.

Abacus for Firefly III ships an update monthly, Cattio every 4 days. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Abacus for Firefly III | Cattio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (44 ratings)](https://appshunter.io/ios/app/abacus-for-firefly-iii/id1627093491/reviews)** | — |
| Number of ratings | **44** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free | — |
| Size | 44 MB | 37 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Victor Balssa](https://appshunter.io/developer/1502288566) | [Le Minh Tuan](https://appshunter.io/developer/1811497436) |

## What reviewers say

### Abacus for Firefly III

[App page](https://appshunter.io/ios/app/abacus-for-firefly-iii/id1627093491)

This secure, open-source client connects to your personal Firefly III instance to manage your finances. It offers OAuth2 authentication, secure token storage, and visualizes your net worth and asset account history through charts. It requires a self-hosted Firefly III installation to function.

**Highlights:** Secure OAuth2 authentication, Encrypted token storage, Net worth tracking by currency, Asset account history charts, Open-source and no analytics

**In-app purchases:** none


### Cattio

[App page](https://appshunter.io/ios/app/cattio/id6749254347)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Abacus for Firefly III free?

Abacus for Firefly III is free to download, with no in-app purchases.

### Is Cattio free?

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

### Do Abacus for Firefly III or Cattio have ads?

Neither Abacus for Firefly III nor Cattio shows ads.

### Which is updated more often, Abacus for Firefly III or Cattio?

Abacus for Firefly III ships an update monthly, and Cattio every 4 days. Most recently, Abacus for Firefly III was updated on October 24, 2026 and Cattio on October 8, 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.*