# Build Formula vs 3Sigma mobile CRM

Build Formula and 3Sigma mobile CRM 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.

Build Formula ships an update every 11 days, 3Sigma mobile CRM every 8 days. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Build Formula | 3Sigma mobile CRM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/build-formula/id1580166153/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 8 days** |
| Monetization | Free | — |
| Size | 44 MB | 47 MB |
| Requires iOS | 13.4 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Vshwan](https://appshunter.io/developer/1580165990) | [Vivek Rana](https://appshunter.io/developer/1704125607) |

## What reviewers say

### Build Formula

[App page](https://appshunter.io/ios/app/build-formula/id1580166153)

This comprehensive real estate solution offers CRM and ERP tools for agencies, developers, and the construction industry. Manage sales leads, customer data, project timelines, contractors, and material inventory. Access project reports and insights on the go.

**Highlights:** Sales lead management, Customer data organization, Project management & task assignment, Contractor and supplier management, Material and inventory tracking, Document storage

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

**In-app purchases:** none


### 3Sigma mobile CRM

[App page](https://appshunter.io/ios/app/3sigma-mobile-crm/id6463200219)

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

**In-app purchases:** none


## Frequently asked questions

### Is Build Formula free?

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

### Is 3Sigma mobile CRM free?

3Sigma mobile CRM is free to download, with no in-app purchases.

### Do Build Formula or 3Sigma mobile CRM have ads?

Neither Build Formula nor 3Sigma mobile CRM shows ads.

### Which is updated more often, Build Formula or 3Sigma mobile CRM?

Build Formula ships an update every 11 days, and 3Sigma mobile CRM every 8 days. Most recently, Build Formula was updated on October 5, 2026 and 3Sigma mobile CRM on October 10, 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.*