# FIMMS Operational vs Amitis Clock

The clearest difference is price: FIMMS Operational at Free against Amitis Clock's $2.89. FIMMS Operational also leads on update cadence (every 5 weeks vs every 10 months) and iOS requirement (15.6 vs 18.1). On ads, in-app purchases and device support there is nothing between them.

FIMMS Operational is free to download; Amitis Clock costs $2.89 up front. Neither carries in-app purchases, so what you see is what you pay.

FIMMS Operational ships an update every 5 weeks, Amitis Clock every 10 months. The most recent releases landed on October 4, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | FIMMS Operational | Amitis Clock |
| --- | --- | --- |
| Price | **Free** | $2.89 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 10 months |
| Size | 46 MB | 1 MB |
| Requires iOS | **15.6** | 18.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [United Nations Global Service Centre](https://appshunter.io/developer/1523439852) | [Barsam Innovations Inc.](https://appshunter.io/developer/1089628356) |

## What reviewers say

### FIMMS Operational

[App page](https://appshunter.io/ios/app/fimms-operational/id1624713414)

**In-app purchases:** none


### Amitis Clock

[App page](https://appshunter.io/ios/app/amitis-clock/id6740941513)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FIMMS Operational free?

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

### Is Amitis Clock free?

Amitis Clock costs $2.89, with no in-app purchases.

### Do FIMMS Operational or Amitis Clock have ads?

Neither FIMMS Operational nor Amitis Clock shows ads.

### Which is updated more often, FIMMS Operational or Amitis Clock?

FIMMS Operational ships an update every 5 weeks, and Amitis Clock every 10 months. Most recently, FIMMS Operational was updated on October 4, 2026 and Amitis Clock on October 9, 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.*