# FRS MRS vs Chrono

The clearest difference is in-app purchases: FRS MRS at none against Chrono's 1. FRS MRS also leads on iOS requirement (15.0 vs 18.6). Chrono's advantage is update cadence (every 4 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Chrono sells 1 one-off in-app purchase. FRS MRS asks for nothing beyond the download.

FRS MRS ships an update every 2 months, Chrono every 4 days. The most recent releases landed on September 20, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | FRS MRS | Chrono |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (70 ratings)](https://appshunter.io/ios/app/frs-mrs/id793360885/reviews)** | — |
| Number of ratings | **70** | — |
| Positive reviews | 8.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 64 MB | 21 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fire Rescue Systems](https://appshunter.io/developer/445445434) | [NICHOLAS SALVATORE PUYA](https://appshunter.io/developer/1892821322) |

## What reviewers say

### FRS MRS

[App page](https://appshunter.io/ios/app/frs-mrs/id793360885)

This utility app synchronizes with Fire Rescue Systems Software to manage and access critical information. It facilitates seamless data flow for emergency response professionals.

**Highlights:** Fire Rescue Systems integration, Data synchronization, Information management, Emergency response support

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

**In-app purchases:** none


### Chrono

[App page](https://appshunter.io/ios/app/chrono-tithe-turn-timer/id6778462956)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chrono-Tithe Pro | $4.99 | one-time |


## Frequently asked questions

### Is FRS MRS free?

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

### Is Chrono free?

Chrono is free to download, with in-app purchases available.

### Do FRS MRS or Chrono have ads?

Neither FRS MRS nor Chrono shows ads.

### Which is updated more often, FRS MRS or Chrono?

FRS MRS ships an update every 2 months, and Chrono every 4 days. Most recently, FRS MRS was updated on September 20, 2026 and Chrono on September 11, 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.*