# Casfow vs Subios

The clearest difference is in-app purchases: Casfow at none against Subios's 1. Casfow also leads on iOS requirement (16.0 vs 26.0). Subios's advantage is update cadence (every 8 days vs every 3 weeks). On price, ads and device support there is nothing between them.

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

Casfow ships an update every 3 weeks, Subios every 8 days. The most recent releases landed on October 10, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Casfow | Subios |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Size | 4 MB | 7 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Canto](https://appshunter.io/developer/1850019577) | [Gokalp Gurocak](https://appshunter.io/developer/1863239888) |

## What reviewers say

### Casfow

[App page](https://appshunter.io/ios/app/casfow-expense-tracker/id6754781531)

**Features:** macOS Compatibility

**In-app purchases:** none


### Subios

[App page](https://appshunter.io/ios/app/subios-subscription-tracker/id6756845574)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Coffee | $3.99 | one-time |


## Frequently asked questions

### Is Casfow free?

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

### Is Subios free?

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

### Do Casfow or Subios have ads?

Neither Casfow nor Subios shows ads.

### Which is updated more often, Casfow or Subios?

Casfow ships an update every 3 weeks, and Subios every 8 days. Most recently, Casfow was updated on October 10, 2026 and Subios on October 2, 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.*