# Fielso vs iO Promotor

Fielso and iO Promotor are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Fielso ships an update every 3 months, iO Promotor every 6 weeks. The most recent releases landed on October 30, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Fielso | iO Promotor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Size | 41 MB | 8 MB |
| Requires iOS | 15.5 | **14** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jose Alfredo Zazueta Quintero](https://appshunter.io/developer/1555991602) | [IO Eficiencia movil SAPI](https://appshunter.io/developer/1497008313) |

## What reviewers say

### Fielso

[App page](https://appshunter.io/ios/app/fielso/id1635446181)

**Features:** macOS Compatibility

**In-app purchases:** none


### iO Promotor

[App page](https://appshunter.io/ios/app/io-promotor/id1640759981)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fielso free?

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

### Is iO Promotor free?

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

### Do Fielso or iO Promotor have ads?

Neither Fielso nor iO Promotor shows ads.

### Which is updated more often, Fielso or iO Promotor?

Fielso ships an update every 3 months, and iO Promotor every 6 weeks. Most recently, Fielso was updated on October 30, 2026 and iO Promotor on November 7, 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.*