# proton.ai vs The Marbl Platform

The clearest difference is review sentiment: The Marbl Platform at 100% against proton.ai's 0%. The Marbl Platform also leads on rating (4.7 vs 3.7) and iOS requirement (11.0 vs 15.6). proton.ai's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, 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.

The Marbl Platform holds the better App Store score, 4.7 against 3.7. Both are backed by a comparable volume of ratings — 11 and 3 respectively. Written reviews point the same way: 0% of proton.ai's written reviews are positive against 100% of The Marbl Platform's.

proton.ai ships an update every 2 weeks, The Marbl Platform every 5 weeks. The most recent releases landed on October 25, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | proton.ai | The Marbl Platform |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (11 ratings)](https://appshunter.io/ios/app/protonai/id1511013046/reviews) | **[4.7 (3 ratings)](https://appshunter.io/ios/app/the-marbl-platform/id1541516480/reviews)** |
| Number of ratings | **11** | 3 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | **Free** | Ad-supported |
| Size | 73 MB | 27 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PRM Solutions, Inc](https://appshunter.io/developer/1511013045) | [Marbl LLC](https://appshunter.io/developer/1707706208) |

## What reviewers say

### proton.ai

[App page](https://appshunter.io/ios/app/protonai/id1511013046)

This business intelligence tool uses AI to help distributors centralize sales data, identify new opportunities, and lower sales costs. It provides deep reporting to answer key questions about customer behavior and growth potential.

**Highlights:** Centralized sales data, AI-driven product recommendations, Reduced cost of sales, Deep reporting and insights, Customer churn prediction, Account growth opportunity identification

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

**In-app purchases:** none


### The Marbl Platform

[App page](https://appshunter.io/ios/app/the-marbl-platform/id1541516480)

This software streamlines the process of designing and proposing residential and light commercial ductless HVAC systems. It includes CRM, scheduling, load estimation, and instant proposal generation to enhance the sales experience.

**Highlights:** CRM for customer and proposal tracking, Calendar and appointment syncing, Sales process presentation tools, Proprietary load estimation tool, Mitsubishi ductless system design, Instant proposal generation, Optional advanced sales training

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is proton.ai free?

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

### Is The Marbl Platform free?

The Marbl Platform is free to download, with no in-app purchases.

### Which has better reviews, proton.ai or The Marbl Platform?

The Marbl Platform is rated higher. proton.ai averages 3.7 out of 5 from 11 ratings, while The Marbl Platform averages 4.7 from 3 ratings.

### Do proton.ai or The Marbl Platform have ads?

The Marbl Platform shows ads; proton.ai does not.

### Which is updated more often, proton.ai or The Marbl Platform?

proton.ai ships an update every 2 weeks, and The Marbl Platform every 5 weeks. Most recently, proton.ai was updated on October 25, 2026 and The Marbl Platform on October 5, 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.*