# MX Build vs ProofDoc

The clearest difference is rating: ProofDoc at 5.0 against MX Build's 4.0. MX Build's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. ProofDoc sells 3 one-off in-app purchases. MX Build asks for nothing beyond the download.

ProofDoc holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

MX Build ships an update every 5 days, ProofDoc every 9 days. The most recent releases landed on September 21, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | MX Build | ProofDoc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/mx-build/id6754659593/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/proofdoc-work-proof-and-pay/id6761447866/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 9 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 112 MB | 10 MB |
| Requires iOS | **15.0** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Priority Payment Systems LLC](https://appshunter.io/developer/409348016) | [Solana Beach Labs, LLC](https://appshunter.io/developer/1452452613) |

## What reviewers say

### MX Build

[App page](https://appshunter.io/ios/app/mx-build/id6754659593)

This platform helps construction and subcontractor businesses manage project finances. It offers a user-friendly interface designed by industry experts to streamline financial management for general contractors and subcontractors.

**Highlights:** Project financial management, User-friendly interface, Industry expert design, Streamlined financial processes, GC and Subcontractor focus

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

**In-app purchases:** none


### ProofDoc

[App page](https://appshunter.io/ios/app/proofdoc-work-proof-and-pay/id6761447866)

This app helps service professionals document jobs, capture evidence, and get paid. It allows for creating professional reports, verifying records with blockchain, and sending payment requests. Designed for field service businesses to streamline workflows and improve client handoff.

**Highlights:** Job documentation and evidence capture, Professional PDF report generation, Blockchain proof verification, Stripe payment requests, Invoice packets, Photo and video markup

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Blockchain Proof Credits | $4.99 | one-time |
| 50 Blockchain Proof Credits | $14.99 | one-time |
| 100 Blockchain Proof Credits | $19.99 | one-time |


## Frequently asked questions

### Is MX Build free?

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

### Is ProofDoc free?

ProofDoc is free to download, with in-app purchases available.

### Which has better reviews, MX Build or ProofDoc?

ProofDoc is rated higher. MX Build averages 4.0 out of 5 from 4 ratings, while ProofDoc averages 5.0 from 1 ratings.

### Do MX Build or ProofDoc have ads?

ProofDoc shows ads; MX Build does not.

### Which is updated more often, MX Build or ProofDoc?

MX Build ships an update every 5 days, and ProofDoc every 9 days. Most recently, MX Build was updated on September 21, 2026 and ProofDoc 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.*