# Custos F.O. vs RSMC EZ App

The clearest difference is update cadence: RSMC EZ App at every 3 months against Custos F.O.'s every 7 months. Custos F.O.'s advantage is iOS requirement (15.6 vs 18.0). 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.

Custos F.O. ships an update every 7 months, RSMC EZ App every 3 months. The most recent releases landed on October 5, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Custos F.O. | RSMC EZ App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/rsmc-ez-app/id1660280984/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 61 MB | 93 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Custos Family Office](https://appshunter.io/developer/1401504103) | [Republic State Mortgage Company](https://appshunter.io/developer/1660281466) |

## What reviewers say

### Custos F.O.

[App page](https://appshunter.io/ios/app/custos-fo/id1401504104)

**Features:** macOS Compatibility

**In-app purchases:** none


### RSMC EZ App

[App page](https://appshunter.io/ios/app/rsmc-ez-app/id1660280984)

Simplify your home lending journey with this app, designed for homebuyers, homeowners looking to refinance, and referral partners. It aims to make the mortgage process as stress-free and easy as possible.

**Highlights:** Homebuyer assistance, Refinancing tools, Referral partner support, Simplified lending experience, Stress-free process

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Custos F.O. free?

Custos F.O. is free to download, with no in-app purchases.

### Is RSMC EZ App free?

RSMC EZ App is free to download, with no in-app purchases.

### Do Custos F.O. or RSMC EZ App have ads?

Neither Custos F.O. nor RSMC EZ App shows ads.

### Which is updated more often, Custos F.O. or RSMC EZ App?

Custos F.O. ships an update every 7 months, and RSMC EZ App every 3 months. Most recently, Custos F.O. was updated on October 5, 2026 and RSMC EZ App on October 21, 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.*