# Viglot vs OtoOi Reader

The clearest difference is update cadence: OtoOi Reader at every 3 days against Viglot's weekly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Viglot sells 1 in-app purchase, starting at $17.99 per month 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.

Viglot ships an update weekly, OtoOi Reader every 3 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Viglot | OtoOi Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Size | 59 MB | 29 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Viktor Pergjoka](https://appshunter.io/developer/1895413414) | [Yutaka Imai](https://appshunter.io/developer/6819526124) |

## What reviewers say

### Viglot

[App page](https://appshunter.io/ios/app/viglot-learn-languages/id6763640577)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $17.99 | per month |


### 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 Viglot free?

Viglot 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 Viglot or OtoOi Reader have ads?

Neither Viglot nor OtoOi Reader shows ads.

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

Viglot ships an update weekly, and OtoOi Reader every 3 days. Most recently, Viglot was updated on November 5, 2026 and OtoOi Reader on November 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*