# ContextCards vs Dozenal Calc

The clearest difference is in-app purchases: Dozenal Calc at none against ContextCards's 2. Dozenal Calc also leads on update cadence (every 3 days vs fortnightly) and device support (5 vs 3). On price and ads there is nothing between them.

Both are free to download. ContextCards sells 2 in-app purchases, starting at $4.99 per month. Dozenal Calc asks for nothing beyond the download.

ContextCards ships an update fortnightly, Dozenal Calc every 3 days. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | ContextCards | Dozenal Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/contextcards/id6756090177/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 36 MB | 32 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Tim Park](https://appshunter.io/developer/1480802735) | [Eric Naville](https://appshunter.io/developer/6777149198) |

## What reviewers say

### ContextCards

[App page](https://appshunter.io/ios/app/contextcards/id6756090177)

Master vocabulary with AI-generated, real-world example sentences. This app uses smart spaced repetition and HD audio to help you learn grammar, nuance, and usage naturally. Organize words into custom decks or explore community-created ones.

**Highlights:** AI-powered dynamic context sentences, Smart spaced repetition (FSRS algorithm), HD neural audio for pronunciation, Customizable deck management, Community deck sharing, Guided learning with frequency lists

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ContextCards Pro (Monthly) | $4.99 | per month |
| ContextCards Pro (Yearly) | $49.99 | per year |


### Dozenal Calc

[App page](https://appshunter.io/ios/app/dozenal-calc/id6777149196)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is ContextCards free?

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

### Is Dozenal Calc free?

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

### Do ContextCards or Dozenal Calc have ads?

Neither ContextCards nor Dozenal Calc shows ads.

### Which is updated more often, ContextCards or Dozenal Calc?

ContextCards ships an update fortnightly, and Dozenal Calc every 3 days. Most recently, ContextCards was updated on October 16, 2026 and Dozenal Calc on October 9, 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.*