# KRAT vs RMS Delta

The clearest difference is update cadence: RMS Delta at weekly against KRAT's every 6 weeks. KRAT's advantage is iOS requirement (13.0 vs 15.0). 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.

KRAT ships an update every 6 weeks, RMS Delta weekly. The most recent releases landed on October 17, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | KRAT | RMS Delta |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/rms-delta/id6484267957/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | — | Free |
| Size | 43 MB | 3 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [震 王](https://appshunter.io/developer/1734329851) | [Rochester Sensors, LLC](https://appshunter.io/developer/1006999301) |

## What reviewers say

### KRAT

[App page](https://appshunter.io/ios/app/krat/id6478905393)

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

**In-app purchases:** none


### RMS Delta

[App page](https://appshunter.io/ios/app/rms-delta/id6484267957)

This cloud-based platform offers remote telemetry reporting for tank monitoring. It provides scheduled, customized reports and 24/7 access to data for businesses to monitor costs, optimize profits, and improve operational efficiency.

**Highlights:** Cloud-based telemetry reporting, Customizable tank reports, 24/7 remote data access, Cost monitoring and profit optimization, Improved operational efficiency, Route planning optimization

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KRAT free?

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

### Is RMS Delta free?

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

### Do KRAT or RMS Delta have ads?

Neither KRAT nor RMS Delta shows ads.

### Which is updated more often, KRAT or RMS Delta?

KRAT ships an update every 6 weeks, and RMS Delta weekly. Most recently, KRAT was updated on October 17, 2026 and RMS Delta on October 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.*