# Linguva vs OtoOi Reader

The clearest difference is iOS requirement: OtoOi Reader at 15.0 against Linguva's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Linguva sells 9 in-app purchases, starting at $6.99 per 7 days and OtoOi Reader sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Linguva ships an update every 4 days, OtoOi Reader every 3 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Linguva | OtoOi Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 3 days** |
| Size | 12 MB | 29 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Ahmet Bacak](https://appshunter.io/developer/1662693928) | [Yutaka Imai](https://appshunter.io/developer/6819526124) |

## What reviewers say

### Linguva

[App page](https://appshunter.io/ios/app/linguva-50-plus-language-learning/id6758154077)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $6.99 | per 7 days |
| Monthly Pro | $17.99 | per month |
| 2 Monthly Pro | $29.99 | per 2 months |
| 3 Monthly Pro | $39.99 | per 3 months |
| 6 Monthly Pro | $69.99 | per 6 months |
| 12 Monthly Pro | $99.99 | per year |
| 250 Quizzes | $4.99 | one-time |
| 700 Quizzes | $9.99 | one-time |
| 2000 Quizzes | $19.99 | one-time |


### OtoOi Reader

[App page](https://appshunter.io/ios/app/otooi-reader/id6819526122)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly plan | $2.99 | per month |
| Annual plan | $24.99 | per year |


## Frequently asked questions

### Is Linguva free?

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

### Is OtoOi Reader free?

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

### Do Linguva or OtoOi Reader have ads?

Neither Linguva nor OtoOi Reader shows ads.

### Which is updated more often, Linguva or OtoOi Reader?

Linguva ships an update every 4 days, and OtoOi Reader every 3 days. Most recently, Linguva was updated on October 31, 2026 and OtoOi Reader on November 6, 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.*