# Keenculator vs Формулы по физике с теорией

The clearest difference is in-app purchases: Формулы по физике с теорией at none against Keenculator's 4. Формулы по физике с теорией also leads on ads (none vs shown). Keenculator's advantage is update cadence (every 2 months vs every 5 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Keenculator sells 4 in-app purchases, starting at $2.99 per month. Формулы по физике с теорией asks for nothing beyond the download.

Keenculator ships an update every 2 months, Формулы по физике с теорией every 5 months. The most recent releases landed on October 4, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Keenculator | Формулы по физике с теорией |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | — | Free |
| Size | 58 MB | 73 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Egor Dovzhenko](https://appshunter.io/developer/782733100) | [Sergey Oganesyan](https://appshunter.io/developer/1643859151) |

## What reviewers say

### Keenculator

[App page](https://appshunter.io/ios/app/keenculator/id1437684875)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro-подписка на 1 месяц | $2.99 | per month |
| Pro-подписка на 6 месяцев | $14.99 | per 6 months |
| Pro-подписка на 1 год | $25.49 | per year |
| Pro версия | $1.99 | one-time |


### 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


## Frequently asked questions

### Is Keenculator free?

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

### Is Формулы по физике с теорией free?

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

### Do Keenculator or Формулы по физике с теорией have ads?

Keenculator shows ads; Формулы по физике с теорией does not.

### Which is updated more often, Keenculator or Формулы по физике с теорией?

Keenculator ships an update every 2 months, and Формулы по физике с теорией every 5 months. Most recently, Keenculator was updated on October 4, 2026 and Формулы по физике с теорией on September 19, 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.*