# Формулы по физике с теорией vs Red Line Tutors

The clearest difference is update cadence: Red Line Tutors at every 9 days against Формулы по физике с теорией's every 5 months. Формулы по физике с теорией's advantage is iOS requirement (13.0 vs 18.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Формулы по физике с теорией ships an update every 5 months, Red Line Tutors every 9 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Формулы по физике с теорией | Red Line Tutors |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/red-line-tutors/id6772615367/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 9 days** |
| Monetization | Free | Free |
| Size | 73 MB | 17 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Sergey Oganesyan](https://appshunter.io/developer/1643859151) | [Pavel Grachev](https://appshunter.io/developer/6772615369) |

## What reviewers say

### Формулы по физике с теорией

[App page](https://appshunter.io/ios/app/id6449965009)

This app organizes physics formulas into 15 sections, each with a detailed description and a progress indicator. It includes short tests for each section and a "smart test" focusing on your common mistakes. The goal is to achieve 100% mastery of each formula and section.

**Highlights:** 15 physics formula sections, Detailed formula descriptions, Progress indicators for formula mastery, Section-specific tests, Smart test for common errors, 100% mastery goal for formulas and sections

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

**In-app purchases:** none


### Red Line Tutors

[App page](https://appshunter.io/ios/app/red-line-tutors/id6772615367)

This app facilitates communication between students, parents, and tutors within an educational service. It offers chat functionalities, notifications for updates, and access to session history and balance information. Users can also contact support and request account deletion.

**Highlights:** Educational chats, Push notifications, Session history and reports, Class balance information, Support chat, Account deletion request

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

**In-app purchases:** none


## Frequently asked questions

### Is Формулы по физике с теорией free?

Формулы по физике с теорией is free to download, with no in-app purchases.

### Is Red Line Tutors free?

Red Line Tutors is free to download, with no in-app purchases.

### Do Формулы по физике с теорией or Red Line Tutors have ads?

Neither Формулы по физике с теорией nor Red Line Tutors shows ads.

### Which is updated more often, Формулы по физике с теорией or Red Line Tutors?

Формулы по физике с теорией ships an update every 5 months, and Red Line Tutors every 9 days. Most recently, Формулы по физике с теорией was updated on October 24, 2026 and Red Line Tutors on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*