# Arithmetic HD vs Lingopic

The clearest difference is price: Lingopic at Free against Arithmetic HD's $1.99. Lingopic also leads on update cadence (fortnightly vs every 9 months). Arithmetic HD's advantage is in-app purchases (none vs 6) and device support (3 vs 1). On ads there is nothing between them.

Lingopic is free to download; Arithmetic HD costs $1.99 up front. Lingopic sells 6 in-app purchases, starting at $4.99 per month. Arithmetic HD asks for nothing beyond the download.

Arithmetic HD ships an update every 9 months, Lingopic fortnightly. The most recent releases landed on September 13, 2026 and August 21, 2026 respectively.

## The numbers

| Metric | Arithmetic HD | Lingopic |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.7 (328 ratings)](https://appshunter.io/ios/app/lingopic-vocabulary-builder/id6472224596/reviews)** |
| Number of ratings | — | **328** |
| Positive reviews | — | 47.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 17 MB | 34 MB |
| Requires iOS | **12.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kostakov Maxim](https://appshunter.io/developer/524964352) | [TruSpec Virtual Solutions](https://appshunter.io/developer/1823469926) |

## What reviewers say

### Arithmetic HD

[App page](https://appshunter.io/ios/app/arithmetic-hd/id686967632)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lingopic

[App page](https://appshunter.io/ios/app/lingopic-vocabulary-builder/id6472224596)

Master new languages with engaging memory techniques. This app uses visuals, logic, and sound to help you learn vocabulary and phrases quickly. Create personalized flashcards, practice with interactive modes, and benefit from smart repetition for long-term retention.

**Highlights:** Adaptive daily learning feed, AI-powered flashcard creation, Instant translation for 37 languages, Interactive practice modes, Smart repetition algorithm, Audio practice for pronunciation

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $14.99 | per year |
| Yearly | $29.99 | per year |
| Monthly | $9.99 | one-time |
| Yearly | $59.99 | one-time |
| Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Arithmetic HD free?

Arithmetic HD costs $1.99, with no in-app purchases.

### Is Lingopic free?

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

### Do Arithmetic HD or Lingopic have ads?

Neither Arithmetic HD nor Lingopic shows ads.

### Which is updated more often, Arithmetic HD or Lingopic?

Arithmetic HD ships an update every 9 months, and Lingopic fortnightly. Most recently, Arithmetic HD was updated on September 13, 2026 and Lingopic on August 21, 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.*