# VIS vs DevStudio

The clearest difference is iOS requirement: DevStudio at 12.0 against VIS's 14.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

VIS ships an update every 3 weeks, DevStudio monthly. The most recent releases landed on September 9, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | VIS | DevStudio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 67 MB | 126 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Beijing Smalltalk Technology Co., Ltd.](https://appshunter.io/developer/1395810727) | [成林 程](https://appshunter.io/developer/1613443568) |

## What reviewers say

### VIS

[App page](https://appshunter.io/ios/app/vis-med/id1664627179)

**Features:** Vision Pro support

**In-app purchases:** none


### DevStudio

[App page](https://appshunter.io/ios/app/devstudio/id1672895323)

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

**In-app purchases:** none


## Frequently asked questions

### Is VIS free?

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

### Is DevStudio free?

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

### Do VIS or DevStudio have ads?

Neither VIS nor DevStudio shows ads.

### Which is updated more often, VIS or DevStudio?

VIS ships an update every 3 weeks, and DevStudio monthly. Most recently, VIS was updated on September 9, 2026 and DevStudio on September 23, 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.*