# Flow Official vs Simpervals

The clearest difference is update cadence: Simpervals at every 3 days against Flow Official's every 4 weeks. Flow Official's advantage is iOS requirement (16.4 vs 18.6). 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.

Flow Official ships an update every 4 weeks, Simpervals every 3 days. The most recent releases landed on October 1, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Flow Official | Simpervals |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 days** |
| Size | 83 MB | 3 MB |
| Requires iOS | **16.4** | 18.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Marlow Health and Wellness House Ltd](https://appshunter.io/developer/1840424481) | [Josh Cooling](https://appshunter.io/developer/1465366796) |

## What reviewers say

### Flow Official

[App page](https://appshunter.io/ios/app/flow-official/id6752660854)

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

**In-app purchases:** none


### Simpervals

[App page](https://appshunter.io/ios/app/simpervals/id6762489262)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flow Official free?

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

### Is Simpervals free?

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

### Do Flow Official or Simpervals have ads?

Neither Flow Official nor Simpervals shows ads.

### Which is updated more often, Flow Official or Simpervals?

Flow Official ships an update every 4 weeks, and Simpervals every 3 days. Most recently, Flow Official was updated on October 1, 2026 and Simpervals 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.*