# Linguin vs Smartest iq

The clearest difference is in-app purchases: Linguin at none against Smartest iq's 10. Smartest iq's advantage is iOS requirement (15.5 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Smartest iq sells 10 one-off in-app purchases. Linguin asks for nothing beyond the download.

Linguin ships an update every 8 months, Smartest iq every 12 months. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Linguin | Smartest iq |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 12 months |
| Monetization | Free | — |
| Size | 0 MB | 146 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Surfy Ltd](https://appshunter.io/developer/1621756288) | [Online Learning](https://appshunter.io/developer/1790866777) |

## What reviewers say

### Linguin

[App page](https://appshunter.io/ios/app/linguin-live-dictionary/id6447435829)

Access definitions, slang, phrases, and idioms from over 80 languages. Enhance your language skills with usage tips, word origins, similar words, and pronunciation guides. Explore the fascinating history behind every word.

**Highlights:** Instant definitions for words and phrases, Usage tips for correct context, Word origins and etymology, Synonyms, antonyms, and related words, Pronunciation guides, Support for over 80 languages, User-friendly interface

**Features:** Vision Pro support

**In-app purchases:** none


### Smartest iq

[App page](https://appshunter.io/ios/app/smartest-iq/id6476566649)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - AX | $39.99 | one-time |
| Package - AZ | $39.99 | one-time |
| Package - BA | $39.99 | one-time |
| Package - BD | $39.99 | one-time |
| Package - BB | $39.99 | one-time |
| Package - BC | $39.99 | one-time |
| Package - BE | $44.99 | one-time |
| Package - BG | $49.99 | one-time |
| Package - BH | $49.99 | one-time |
| Package - BF | $49.99 | one-time |


## Frequently asked questions

### Is Linguin free?

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

### Is Smartest iq free?

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

### Do Linguin or Smartest iq have ads?

Neither Linguin nor Smartest iq shows ads.

### Which is updated more often, Linguin or Smartest iq?

Linguin ships an update every 8 months, and Smartest iq every 12 months. Most recently, Linguin was updated on October 4, 2026 and Smartest iq 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.*