# EstudaFlow vs Centec

The clearest difference is in-app purchases: Centec at none against EstudaFlow's 3. Centec also leads on ads (none vs shown) and update cadence (every 4 days vs every 2 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. EstudaFlow sells 3 in-app purchases, starting at $0.99 per month. Centec asks for nothing beyond the download.

EstudaFlow ships an update every 2 weeks, Centec every 4 days. The most recent releases landed on September 30, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | EstudaFlow | Centec |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 123 MB | 80 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | +17 | 4+ |
| Developer | [Lucinei Loch](https://appshunter.io/developer/967092995) | [POLYGONUS LTDA](https://appshunter.io/developer/1352794431) |

## What reviewers say

### EstudaFlow

[App page](https://appshunter.io/ios/app/estudaflow/id1058403317)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Assinatura Mensal | $0.99 | per month |
| Semestral | $3.99 | per 6 months |
| Anual | $5.99 | per year |


### Centec

[App page](https://appshunter.io/ios/app/centec/id1508428070)

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

**In-app purchases:** none


## Frequently asked questions

### Is EstudaFlow free?

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

### Is Centec free?

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

### Do EstudaFlow or Centec have ads?

EstudaFlow shows ads; Centec does not.

### Which is updated more often, EstudaFlow or Centec?

EstudaFlow ships an update every 2 weeks, and Centec every 4 days. Most recently, EstudaFlow was updated on September 30, 2026 and Centec on October 3, 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.*