# VVIS vs SchlFlow

The clearest difference is update cadence: SchlFlow at every 2 months against VVIS's every 13 months. VVIS's advantage is iOS requirement (13.0 vs 15.1). 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.

VVIS ships an update every 13 months, SchlFlow every 2 months. The most recent releases landed on May 16, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | VVIS | SchlFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 months** |
| Size | 72 MB | 56 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Myclassboard Educational Solutions Private Limited](https://appshunter.io/developer/1261722731) | [edumerge Solutions Private Limited](https://appshunter.io/developer/596343432) |

## What reviewers say

### VVIS

[App page](https://appshunter.io/ios/app/vvis/id1573379866)

**Features:** macOS Compatibility

**In-app purchases:** none


### SchlFlow

[App page](https://appshunter.io/ios/app/schlflow/id6760904875)

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

**In-app purchases:** none


## Frequently asked questions

### Is VVIS free?

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

### Is SchlFlow free?

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

### Do VVIS or SchlFlow have ads?

Neither VVIS nor SchlFlow shows ads.

### Which is updated more often, VVIS or SchlFlow?

VVIS ships an update every 13 months, and SchlFlow every 2 months. Most recently, VVIS was updated on May 16, 2026 and SchlFlow on September 26, 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.*