# BDUI Go vs Vays

The clearest difference is iOS requirement: BDUI Go at 15.0 against Vays's 17.0. 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.

BDUI Go ships an update every 3 weeks, Vays fortnightly. The most recent releases landed on September 30, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | BDUI Go | Vays |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 61 MB | 14 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yuriy Zhelannov](https://appshunter.io/developer/6796796590) | [ARVIND JUNEJA OUMM](https://appshunter.io/developer/1782767786) |

## What reviewers say

### BDUI Go

[App page](https://appshunter.io/ios/app/bdui-go/id6796796588)

**In-app purchases:** none


### Vays

[App page](https://appshunter.io/ios/app/vays-markdown-reader/id6797046995)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BDUI Go free?

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

### Is Vays free?

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

### Do BDUI Go or Vays have ads?

Neither BDUI Go nor Vays shows ads.

### Which is updated more often, BDUI Go or Vays?

BDUI Go ships an update every 3 weeks, and Vays fortnightly. Most recently, BDUI Go was updated on September 30, 2026 and Vays 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.*