# ConstructionOnline vs SI

The clearest difference is update cadence: SI at every 3 days against ConstructionOnline's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

ConstructionOnline ships an update every 3 weeks, SI every 3 days. The most recent releases landed on October 26, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | ConstructionOnline | SI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (15 ratings)](https://appshunter.io/ios/app/constructiononline/id1252801120/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 44.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free | — |
| Size | 156 MB | 41 MB |
| Requires iOS | **15.5** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [UDA Technologies, Inc.](https://appshunter.io/developer/376833578) | [Sensor Industries](https://appshunter.io/developer/1510183454) |

## What reviewers say

### ConstructionOnline

[App page](https://appshunter.io/ios/app/constructiononline/id1252801120)

This cloud-based platform provides construction professionals with instant mobile access to project information, files, and documentation. Manage daily logs, upload plans with markup tools, and track project financials and schedules from anywhere.

**Highlights:** Upload and share files/photos from the field, Access project contact information, View job financial overviews, Client change order approval, Comprehensive calendar and punch lists, Create daily logs with photos, Redline™ Planroom with markup tools

**In-app purchases:** none


### SI

[App page](https://appshunter.io/ios/app/si-field/id6762649325)

**In-app purchases:** none


## Frequently asked questions

### Is ConstructionOnline free?

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

### Is SI free?

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

### Do ConstructionOnline or SI have ads?

Neither ConstructionOnline nor SI shows ads.

### Which is updated more often, ConstructionOnline or SI?

ConstructionOnline ships an update every 3 weeks, and SI every 3 days. Most recently, ConstructionOnline was updated on October 26, 2026 and SI on September 11, 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.*