# OllerSenar vs EdCoTax

The clearest difference is iOS requirement: EdCoTax at 15.1 against OllerSenar's 17.2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OllerSenar ships an update every 5 months, EdCoTax every 2 months. Both last shipped on October 5, 2026.

## The numbers

| Metric | OllerSenar | EdCoTax |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Size | 73 MB | 21 MB |
| Requires iOS | 17.2 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [ASESORAMIENTO Y DESARROLLO DE SISTEMAS INFORMATICOS SL](https://appshunter.io/developer/1492056928) | [Progdev](https://appshunter.io/developer/1535801992) |

## What reviewers say

### OllerSenar

[App page](https://appshunter.io/ios/app/ollersenar/id1671838582)

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

**In-app purchases:** none


### EdCoTax

[App page](https://appshunter.io/ios/app/edcotax/id6743615209)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OllerSenar free?

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

### Is EdCoTax free?

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

### Do OllerSenar or EdCoTax have ads?

Neither OllerSenar nor EdCoTax shows ads.

### Which is updated more often, OllerSenar or EdCoTax?

OllerSenar ships an update every 5 months, and EdCoTax every 2 months. Most recently, OllerSenar was updated on October 5, 2026 and EdCoTax on October 5, 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.*