# Obra Prima App vs SIECON Req

Obra Prima App and SIECON Req 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.

Obra Prima App ships an update monthly, SIECON Req every 5 weeks. The most recent releases landed on September 19, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Obra Prima App | SIECON Req |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 59.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free | — |
| Size | 111 MB | 48 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZERO ONE TECNOLOGIA DA INFORMACAO](https://appshunter.io/developer/1435123514) | [Poliview Brasil Servicos de Informatica Ltda](https://appshunter.io/developer/998316630) |

## What reviewers say

### Obra Prima App

[App page](https://appshunter.io/ios/app/obra-prima-app/id1435123515)

Manage construction projects and works directly from the job site. Record daily progress, request materials, and share project evolution photos with clients. Enhance client relationships with real-time updates from the field.

**Highlights:** Daily history logging, Material purchase requests, Project progress photography, Client photo sharing, Real-time site updates, Office-site interaction

**Features:** macOS Compatibility

**In-app purchases:** none


### SIECON Req

[App page](https://appshunter.io/ios/app/siecon-req/id1630375097)

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

**In-app purchases:** none


## Frequently asked questions

### Is Obra Prima App free?

Obra Prima App is free to download, with no in-app purchases.

### Is SIECON Req free?

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

### Do Obra Prima App or SIECON Req have ads?

Neither Obra Prima App nor SIECON Req shows ads.

### Which is updated more often, Obra Prima App or SIECON Req?

Obra Prima App ships an update monthly, and SIECON Req every 5 weeks. Most recently, Obra Prima App was updated on September 19, 2026 and SIECON Req 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.*