# RSM vs SIMPLIFi for Engineers

The clearest difference is update cadence: SIMPLIFi for Engineers at monthly against RSM's every 16 months. 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.

RSM ships an update every 16 months, SIMPLIFi for Engineers monthly. The most recent releases landed on September 21, 2026 and July 27, 2026 respectively.

## The numbers

| Metric | RSM | SIMPLIFi for Engineers |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 22.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Monthly** |
| Monetization | — | Free |
| Size | 83 MB | 53 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Switchstance](https://appshunter.io/developer/1357632891) | [CET Structures Ltd](https://appshunter.io/developer/1463039183) |

## What reviewers say

### RSM

[App page](https://appshunter.io/ios/app/rsm/id562559424)

**Features:** macOS Compatibility

**In-app purchases:** none


### SIMPLIFi for Engineers

[App page](https://appshunter.io/ios/app/simplifi-for-engineers/id1463039184)

Manage emergency building repair jobs on the go with this app. It handles job notifications, on-site approvals, health and safety checks, and communication with clients and policyholders. The app works offline and allows photo uploads and map integration.

**Highlights:** Job notifications and acceptance, On-site approval requests, Health & Safety alerts and checks, In-app communication, Offline functionality, Photo uploads, Integrated maps

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

**In-app purchases:** none


## Frequently asked questions

### Is RSM free?

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

### Is SIMPLIFi for Engineers free?

SIMPLIFi for Engineers is free to download, with no in-app purchases.

### Do RSM or SIMPLIFi for Engineers have ads?

Neither RSM nor SIMPLIFi for Engineers shows ads.

### Which is updated more often, RSM or SIMPLIFi for Engineers?

RSM ships an update every 16 months, and SIMPLIFi for Engineers monthly. Most recently, RSM was updated on September 21, 2026 and SIMPLIFi for Engineers on July 27, 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.*