# RoboSpark vs Lexpring

The clearest difference is in-app purchases: RoboSpark at none against Lexpring's 2. RoboSpark also leads on update cadence (every 9 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

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

RoboSpark ships an update every 9 days, Lexpring every 2 months. The most recent releases landed on October 16, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | RoboSpark | Lexpring |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/lexpring/id6762142769/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | — | Freemium |
| Size | 49 MB | 45 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [ALisher Teipov](https://appshunter.io/developer/1851653755) | [Wayne Lehto III](https://appshunter.io/developer/1893119235) |

## What reviewers say

### RoboSpark

[App page](https://appshunter.io/ios/app/robospark/id6755059463)

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

**In-app purchases:** none


### Lexpring

[App page](https://appshunter.io/ios/app/lexpring/id6762142769)

Learn languages by reading authentic texts. Instantly translate words and phrases, save new vocabulary, and review it with flashcards. Build your language skills naturally through engaging content.

**Highlights:** Read texts in target language, Instant word/phrase translation, Save vocabulary to card deck, Review with flashcards, Track learning progress, Import articles and videos

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lexpring Premium | $4.99 | per month |
| Lexpring Premium Yearly | $49.99 | per year |


## Frequently asked questions

### Is RoboSpark free?

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

### Is Lexpring free?

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

### Do RoboSpark or Lexpring have ads?

Neither RoboSpark nor Lexpring shows ads.

### Which is updated more often, RoboSpark or Lexpring?

RoboSpark ships an update every 9 days, and Lexpring every 2 months. Most recently, RoboSpark was updated on October 16, 2026 and Lexpring on October 3, 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.*