# OCA vs SFD 2026

The clearest difference is update cadence: SFD 2026 at weekly against OCA's every 3 weeks. SFD 2026 also leads on device support. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OCA ships an update every 3 weeks, SFD 2026 weekly. Both last shipped on October 10, 2026.

## The numbers

| Metric | OCA | SFD 2026 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 42 MB | 58 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [COMBALBERT LAURENT](https://appshunter.io/developer/569446537) | [Invent-App](https://appshunter.io/developer/1437267222) |

## What reviewers say

### OCA

[App page](https://appshunter.io/ios/app/oca-observer-comprendre-agir/id6483933544)

**In-app purchases:** none


### SFD 2026

[App page](https://appshunter.io/ios/app/sfd-2026/id6759059789)

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

**In-app purchases:** none


## Frequently asked questions

### Is OCA free?

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

### Is SFD 2026 free?

SFD 2026 is free to download, with no in-app purchases.

### Which is updated more often, OCA or SFD 2026?

OCA ships an update every 3 weeks, and SFD 2026 weekly. Most recently, OCA was updated on October 10, 2026 and SFD 2026 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.*