# Outbuild Field vs Cornerstone Bids

The clearest difference is update cadence: Cornerstone Bids at every 3 days against Outbuild Field's every 11 days. Cornerstone Bids also leads on monetization model (free vs ad-supported) and device support (3 vs 1). Outbuild Field's advantage is ratings volume (9 vs 2). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for Outbuild Field against 5.0 for Cornerstone Bids. Both are backed by a comparable volume of ratings — 9 and 2 respectively.

Outbuild Field ships an update every 11 days, Cornerstone Bids every 3 days. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Outbuild Field | Cornerstone Bids |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (9 ratings)](https://appshunter.io/ios/app/outbuild-field/id6443584486/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/cornerstone-bids/id6792765224/reviews) |
| Number of ratings | **9** | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 3 days** |
| Monetization | Ad-supported | **Free** |
| Size | 91 MB | 0 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Ipsum SpA](https://appshunter.io/developer/1436981906) | [Cornerstonebids LLC](https://appshunter.io/developer/6792765226) |

## What reviewers say

### Outbuild Field

[App page](https://appshunter.io/ios/app/outbuild-field/id6443584486)

This app provides construction superintendents with a mobile command center for managing complex projects. It offers interactive Gantt charts, lookahead planning, and real-time progress tracking directly from the jobsite, even with limited connectivity.

**Highlights:** Interactive Gantt charts, 3-week or 6-week lookahead planning, Project orchestration for multiple crews, Real-time progress tracking, Offline mode for on-site work

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

**In-app purchases:** none


### Cornerstone Bids

[App page](https://appshunter.io/ios/app/cornerstone-bids/id6792765224)

Streamline concrete and masonry estimating with phase-based takeoff calculators and automated pricing. Generate professional proposals quickly from your mobile device or web browser, empowering subcontractors to bid with confidence.

**Highlights:** Phase-based takeoff calculators, Centralized pricing, Quantity tracking, Professional proposal generation, Cross-device access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Outbuild Field free?

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

### Is Cornerstone Bids free?

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

### Which has better reviews, Outbuild Field or Cornerstone Bids?

Outbuild Field and Cornerstone Bids are both rated 5.0 out of 5 on the App Store, from 9 and 2 ratings respectively.

### Do Outbuild Field or Cornerstone Bids have ads?

Neither Outbuild Field nor Cornerstone Bids shows ads.

### Which is updated more often, Outbuild Field or Cornerstone Bids?

Outbuild Field ships an update every 11 days, and Cornerstone Bids every 3 days. Most recently, Outbuild Field was updated on October 7, 2026 and Cornerstone Bids on October 6, 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.*