# FLEX vs Oasa

The clearest difference is update cadence: Oasa at monthly against FLEX's every 16 months. 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.

FLEX ships an update every 16 months, Oasa monthly. The most recent releases landed on September 27, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | FLEX | Oasa |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Monthly** |
| Size | 16 MB | 50 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Verasoft GmbH](https://appshunter.io/developer/1281534424) | [CIX-Solutions](https://appshunter.io/developer/1606804242) |

## What reviewers say

### FLEX

[App page](https://appshunter.io/ios/app/flexapp/id6745176423)

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

**In-app purchases:** none


### Oasa

[App page](https://appshunter.io/ios/app/oasa-calm-productivity/id6772068024)

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

**In-app purchases:** none


## Frequently asked questions

### Is FLEX free?

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

### Is Oasa free?

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

### Do FLEX or Oasa have ads?

Neither FLEX nor Oasa shows ads.

### Which is updated more often, FLEX or Oasa?

FLEX ships an update every 16 months, and Oasa monthly. Most recently, FLEX was updated on September 27, 2026 and Oasa on October 7, 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.*