# VKTraining vs Sanax Sky

VKTraining and Sanax Sky are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

VKTraining ships an update every 2 months, Sanax Sky every 3 months. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | VKTraining | Sanax Sky |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 312 MB | 213 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [DUDY SOLUTIONS S.L.](https://appshunter.io/developer/1396095664) | [Sanax FB Espana S.L.](https://appshunter.io/developer/1715859047) |

## What reviewers say

### VKTraining

[App page](https://appshunter.io/ios/app/vktraining/id6468986339)

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

**In-app purchases:** none


### Sanax Sky

[App page](https://appshunter.io/ios/app/sanax-sky/id6749884580)

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

**In-app purchases:** none


## Frequently asked questions

### Is VKTraining free?

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

### Is Sanax Sky free?

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

### Do VKTraining or Sanax Sky have ads?

Neither VKTraining nor Sanax Sky shows ads.

### Which is updated more often, VKTraining or Sanax Sky?

VKTraining ships an update every 2 months, and Sanax Sky every 3 months. Most recently, VKTraining was updated on October 6, 2026 and Sanax Sky on October 5, 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.*