# Dictionary English/Czech vs Standard Notation Calculator

The clearest difference is iOS requirement: Standard Notation Calculator at 10.0 against Dictionary English/Czech's 14.2. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 9 months. The most recent releases landed on May 17, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | Dictionary English/Czech | Standard Notation Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | Every 9 months |
| Size | 12 MB | 28 MB |
| Requires iOS | 14.2 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michal Duda](https://appshunter.io/developer/1468782739) | [Ahmad Sattar](https://appshunter.io/developer/1458483953) |

## What reviewers say

### Dictionary English/Czech

[App page](https://appshunter.io/ios/app/dictionary-englishczech/id1468782740)

**Features:** macOS Compatibility

**In-app purchases:** none


### Standard Notation Calculator

[App page](https://appshunter.io/ios/app/standard-notation-calculator/id1601032021)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dictionary English/Czech free?

Dictionary English/Czech is free to download, with no in-app purchases.

### Is Standard Notation Calculator free?

Standard Notation Calculator is free to download, with no in-app purchases.

### Do Dictionary English/Czech or Standard Notation Calculator have ads?

Neither Dictionary English/Czech nor Standard Notation Calculator shows ads.

### Which is updated more often, Dictionary English/Czech or Standard Notation Calculator?

Dictionary English/Czech ships an update every 9 months, and Standard Notation Calculator every 9 months. Most recently, Dictionary English/Czech was updated on May 17, 2026 and Standard Notation Calculator on May 16, 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.*