# FMS Technician vs FSI Inbox

The clearest difference is iOS requirement: FMS Technician at 11.0 against FSI Inbox's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

FMS Technician ships an update every 2 months, FSI Inbox monthly. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | FMS Technician | FSI Inbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (5 ratings)](https://appshunter.io/ios/app/fsi-inbox/id6670702040/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free |
| Size | 48 MB | 58 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nanosoft Engineers India Private Limited](https://appshunter.io/developer/1193545309) | [Facilities Survey Inc](https://appshunter.io/developer/622634630) |

## What reviewers say

### FMS Technician

[App page](https://appshunter.io/ios/app/fms-technician/id6455303204)

**Features:** macOS Compatibility

**In-app purchases:** none


### FSI Inbox

[App page](https://appshunter.io/ios/app/fsi-inbox/id6670702040)

This mobile application streamlines work order management for technicians on the go. It offers a personalized experience to quickly complete assigned tasks with easy-to-use workflows for comments, readings, and attachments.

**Highlights:** Work order management, Mobile technician companion, Fast task completion, Enter completion comments, Record procedure readings, Add attachments

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

**In-app purchases:** none


## Frequently asked questions

### Is FMS Technician free?

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

### Is FSI Inbox free?

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

### Do FMS Technician or FSI Inbox have ads?

Neither FMS Technician nor FSI Inbox shows ads.

### Which is updated more often, FMS Technician or FSI Inbox?

FMS Technician ships an update every 2 months, and FSI Inbox monthly. Most recently, FMS Technician was updated on October 27, 2026 and FSI Inbox on October 24, 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.*