# SHI vs Lengio

The clearest difference is in-app purchases: SHI at none against Lengio's 3. SHI also leads on iOS requirement (8.0 vs 17.0). Lengio's advantage is update cadence (every 4 days vs every 46 months). On price, ads and device support there is nothing between them.

Both are free to download. Lengio sells 3 in-app purchases, starting at $7.99 per month. SHI asks for nothing beyond the download.

SHI ships an update every 46 months, Lengio every 4 days. The most recent releases landed on October 18, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | SHI | Lengio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/lengio-learn-languages/id6771510274/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 46 months | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 46 MB | 592 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sealaska Heritage Institute](https://appshunter.io/developer/1144218131) | [Nexios Media LLC](https://appshunter.io/developer/1866479562) |

## What reviewers say

### SHI

[App page](https://appshunter.io/ios/app/shi-language-classroom/id1531224826)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lengio

[App page](https://appshunter.io/ios/app/lengio-learn-languages/id6771510274)

This app uses images and spaced repetition to help you learn vocabulary in 25 languages. Engage in AI-powered conversations for pronunciation practice and customize your learning with personal photos.

**Highlights:** Image-based vocabulary learning, Spaced repetition flashcards, AI speech partner for pronunciation, Guided lessons and word categories, Customizable images for vocabulary, 25 languages supported

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lengio Plus | $7.99 | per month |
| Lengio Plus | $49.99 | per year |
| Lengio Plus Lifetime | $199.00 | one-time |


## Frequently asked questions

### Is SHI free?

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

### Is Lengio free?

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

### Do SHI or Lengio have ads?

Neither SHI nor Lengio shows ads.

### Which is updated more often, SHI or Lengio?

SHI ships an update every 46 months, and Lengio every 4 days. Most recently, SHI was updated on October 18, 2026 and Lengio on October 23, 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.*