# SFG20 vs ONOS

The clearest difference is update cadence: SFG20 at weekly against ONOS's every 3 weeks. 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.

SFG20 ships an update weekly, ONOS every 3 weeks. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | SFG20 | ONOS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Size | 97 MB | 59 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [SFG20](https://appshunter.io/developer/1716857183) | [Onos Technologies](https://appshunter.io/developer/1771829915) |

## What reviewers say

### SFG20

[App page](https://appshunter.io/ios/app/sfg20/id6472260248)

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

**In-app purchases:** none


### ONOS

[App page](https://appshunter.io/ios/app/onos/id6499025913)

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

**In-app purchases:** none


## Frequently asked questions

### Is SFG20 free?

SFG20 is free to download, with no in-app purchases.

### Is ONOS free?

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

### Do SFG20 or ONOS have ads?

Neither SFG20 nor ONOS shows ads.

### Which is updated more often, SFG20 or ONOS?

SFG20 ships an update weekly, and ONOS every 3 weeks. Most recently, SFG20 was updated on October 9, 2026 and ONOS 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.*