# Bulut Santral vs Devoro

The clearest difference is in-app purchases: Bulut Santral at none against Devoro's 2. Bulut Santral also leads on iOS requirement (11.0 vs 16.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Devoro sells 2 in-app purchases, starting at $4.99 per month. Bulut Santral asks for nothing beyond the download.

Bulut Santral ships an update every 10 days, Devoro fortnightly. The most recent releases landed on October 12, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Bulut Santral | Devoro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/devoro/id6758002830/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | — | Freemium |
| Size | 29 MB | 110 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [FGS BILGI ISLEM URUNLERI SANAYI VE TICARET LIMITED SIRKETI](https://appshunter.io/developer/1215685112) | [Kaya Aykut Cesur](https://appshunter.io/developer/1849699731) |

## What reviewers say

### Bulut Santral

[App page](https://appshunter.io/ios/app/bulut-santral/id1215685113)

**In-app purchases:** none


### Devoro

[App page](https://appshunter.io/ios/app/devoro/id6758002830)

This app trains your focus using Rapid Serial Visual Presentation (RSVP) to help you read more effectively. It allows you to learn about any topic with AI-generated articles and quizzes, or import your own content to read at adjustable speeds.

**Highlights:** RSVP focus training, AI-generated articles on any topic, Comprehension quizzes, Import URLs, PDFs, EPUBs, text, Adjustable reading speed (50-1500 WPM), Multi-device sync, Shareable certificates

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Devoro Monthly | $4.99 | per month |
| Devoro Yearly | $49.99 | per year |


## Frequently asked questions

### Is Bulut Santral free?

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

### Is Devoro free?

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

### Do Bulut Santral or Devoro have ads?

Neither Bulut Santral nor Devoro shows ads.

### Which is updated more often, Bulut Santral or Devoro?

Bulut Santral ships an update every 10 days, and Devoro fortnightly. Most recently, Bulut Santral was updated on October 12, 2026 and Devoro on September 24, 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.*