# ReadyOp DT vs SAR Grid

The clearest difference is update cadence: SAR Grid at every 2 weeks against ReadyOp DT's every 2 months. ReadyOp DT's advantage is iOS requirement (13.0 vs 27.0). 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.

ReadyOp DT ships an update every 2 months, SAR Grid every 2 weeks. The most recent releases landed on October 23, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | ReadyOp DT | SAR Grid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (8 ratings)](https://appshunter.io/ios/app/readyop-dt/id684337179/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Subscription | — |
| Size | 4 MB | 8 MB |
| Requires iOS | **13.0** | 27.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ReadyOp Communications, Inc.](https://appshunter.io/developer/1640504647) | [ezaero, Ltd.](https://appshunter.io/developer/646077624) |

## What reviewers say

### ReadyOp DT

[App page](https://appshunter.io/ios/app/readyop-dt/id684337179)

This utility app offers real-time communication and radio access to a specialized dashboard. It requires an active subscription to the platform to function.

**Highlights:** Real-time communication, Radio access, Dashboard integration, Subscription-based access

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

**In-app purchases:** none


### SAR Grid

[App page](https://appshunter.io/ios/app/sar-grid/id6815326050)

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

**In-app purchases:** none


## Frequently asked questions

### Is ReadyOp DT free?

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

### Is SAR Grid free?

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

### Do ReadyOp DT or SAR Grid have ads?

Neither ReadyOp DT nor SAR Grid shows ads.

### Which is updated more often, ReadyOp DT or SAR Grid?

ReadyOp DT ships an update every 2 months, and SAR Grid every 2 weeks. Most recently, ReadyOp DT was updated on October 23, 2026 and SAR Grid on October 19, 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.*