# Guseff Go vs Ottor Mastar

The clearest difference is in-app purchases: Ottor Mastar at none against Guseff Go's 3. Guseff Go's advantage is update cadence (every 6 days vs every 2 months) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Guseff Go sells 3 in-app purchases, starting at $4.99 per month. Ottor Mastar asks for nothing beyond the download.

Guseff Go ships an update every 6 days, Ottor Mastar every 2 months. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Guseff Go | Ottor Mastar |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 2 months |
| Monetization | Freemium | — |
| Size | 27 MB | 29 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 17+ | 12+ |
| Developer | [SIMPLEIT, LLC](https://appshunter.io/developer/1715841904) | [Albert Nikanorov](https://appshunter.io/developer/1870625344) |

## What reviewers say

### Guseff Go

[App page](https://appshunter.io/ios/app/guseff-go/id6768668544)

This app combines traffic rule theory and driving school resources into a single platform. Study traffic tickets and courses at your own pace, track your learning progress, and enroll in driving schools in Moscow and St. Petersburg.

**Highlights:** Traffic ticket study, Educational courses, Progress tracking, Driving school enrollment, Self-paced learning

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GuseffGO PRO Месяц | $4.99 | per month |
| GuseffGO PRO 6 Месяцев | $9.99 | per 6 months |
| GuseffGO PRO Year | $39.99 | per year |


### Ottor Mastar

[App page](https://appshunter.io/ios/app/ottor-mastar/id6789648576)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Guseff Go free?

Guseff Go is free to download, with in-app purchases available.

### Is Ottor Mastar free?

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

### Do Guseff Go or Ottor Mastar have ads?

Neither Guseff Go nor Ottor Mastar shows ads.

### Which is updated more often, Guseff Go or Ottor Mastar?

Guseff Go ships an update every 6 days, and Ottor Mastar every 2 months. Most recently, Guseff Go was updated on October 28, 2026 and Ottor Mastar on October 31, 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.*