# Bulb vs Litrio

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

Both are free to download. Bulb sells 3 in-app purchases, starting at $2.99 per 7 days and Litrio sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Bulb ships an update every 5 days, Litrio every 3 days. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Bulb | Litrio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/litrio/id6802357684/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 40 MB | 50 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Danis Gaiazov](https://appshunter.io/developer/1798511426) | [GetTheApp](https://appshunter.io/developer/6802357686) |

## What reviewers say

### Bulb

[App page](https://appshunter.io/ios/app/bulb-read-to-learn-languages/id6742458314)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $2.99 | per 7 days |
| Premium Monthly | $6.99 | per month |
| Premium Annual | $49.99 | per year |


### Litrio

[App page](https://appshunter.io/ios/app/litrio/id6802357684)

This app makes reading English stories more accessible for learners. It adapts classic books and stories to your reading level, allowing you to understand words in context and build vocabulary. Practice what you learn with integrated exercises and discover new stories.

**Highlights:** Adapted classic stories, Adjustable reading difficulty, In-context word definitions, Vocabulary saving and learning, Integrated reading exercises, Growing story collection

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LITRIO Ultimate Monthly | $4.99 | per month |
| LITRIO Plus Monthly | $7.99 | per month |
| LITRIO Plus Annual | $39.99 | per year |
| LITRIO Ultimate Annual | $59.99 | per year |


## Frequently asked questions

### Is Bulb free?

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

### Is Litrio free?

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

### Do Bulb or Litrio have ads?

Neither Bulb nor Litrio shows ads.

### Which is updated more often, Bulb or Litrio?

Bulb ships an update every 5 days, and Litrio every 3 days. Most recently, Bulb was updated on October 15, 2026 and Litrio on October 8, 2026.

---

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