# Vayu UBT vs Sonokademy

The clearest difference is update cadence: Vayu UBT at every 2 weeks against Sonokademy's every 5 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.

Vayu UBT ships an update every 2 weeks, Sonokademy every 5 months. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Vayu UBT | Sonokademy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 months |
| Size | 101 MB | 297 MB |
| Requires iOS | **14.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Vayu Foundation](https://appshunter.io/developer/1506009691) | [Medialogic Solutions Pvt Ltd](https://appshunter.io/developer/1673451177) |

## What reviewers say

### Vayu UBT

[App page](https://appshunter.io/ios/app/vayu-ubt/id1507940320)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sonokademy

[App page](https://appshunter.io/ios/app/sonokademy/id1673451175)

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

**In-app purchases:** none


## Frequently asked questions

### Is Vayu UBT free?

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

### Is Sonokademy free?

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

### Do Vayu UBT or Sonokademy have ads?

Neither Vayu UBT nor Sonokademy shows ads.

### Which is updated more often, Vayu UBT or Sonokademy?

Vayu UBT ships an update every 2 weeks, and Sonokademy every 5 months. Most recently, Vayu UBT was updated on October 25, 2026 and Sonokademy on October 27, 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.*