# AsiaSat vs RF Engineer's Calc

The clearest difference is update cadence: AsiaSat at every 3 months against RF Engineer's Calc's every 10 months. AsiaSat also leads on iOS requirement (12.0 vs 16.1). 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.

AsiaSat ships an update every 3 months, RF Engineer's Calc every 10 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | AsiaSat | RF Engineer's Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/asiasat/id1230884524/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 10 months |
| Monetization | Free | — |
| Size | 24 MB | 43 MB |
| Requires iOS | **12.0** | 16.1 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Asia Satellite Telecommunications Co. Ltd.](https://appshunter.io/developer/1230884523) | [GRAHAM JOHN SMITH](https://appshunter.io/developer/1668396908) |

## What reviewers say

### AsiaSat

[App page](https://appshunter.io/ios/app/asiasat/id1230884524)

This app provides satellite performance data, antenna pointing tools, and various calculators for uplink, downlink, and sun outages. Stay updated with the latest industry news and satellite information.

**Highlights:** Satellite Footprints, Satellite Finder, Uplink Calculator, Downlink Calculator, VSAT Performance Calculator, Sun Outage Calculator & Reminder, Latest News

**Features:** macOS Compatibility

**In-app purchases:** none


### RF Engineer's Calc

[App page](https://appshunter.io/ios/app/rf-engineers-calc/id1668396906)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AsiaSat free?

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

### Is RF Engineer's Calc free?

RF Engineer's Calc is free to download, with no in-app purchases.

### Do AsiaSat or RF Engineer's Calc have ads?

Neither AsiaSat nor RF Engineer's Calc shows ads.

### Which is updated more often, AsiaSat or RF Engineer's Calc?

AsiaSat ships an update every 3 months, and RF Engineer's Calc every 10 months. Most recently, AsiaSat was updated on November 2, 2026 and RF Engineer's Calc on November 3, 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.*