# AntScope vs SDR

The clearest difference is review sentiment: SDR at 80% against AntScope's 23%. SDR also leads on rating (4.2 vs 2.3) and update cadence (every 2 weeks vs every 2 months). AntScope's advantage is price (Free vs $49.99) and device support (3 vs 1). On ratings volume, ads and in-app purchases there is nothing between them.

AntScope is free to download; SDR costs $49.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SDR holds the better App Store score, 4.2 against 2.3. Both are backed by a comparable volume of ratings — 52 and 67 respectively. Written reviews point the same way: 23% of AntScope's written reviews are positive against 80% of SDR's.

AntScope ships an update every 2 months, SDR every 2 weeks. The most recent releases landed on September 25, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | AntScope | SDR |
| --- | --- | --- |
| Price | **Free** | $49.99 |
| Rating | [2.3 (52 ratings)](https://appshunter.io/ios/app/antscope/id1502248595/reviews) | **[4.2 (67 ratings)](https://appshunter.io/ios/app/sdr-control-for-icom/id1614141094/reviews)** |
| Number of ratings | 52 | **67** |
| Positive reviews | 22.5% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | **Free** | Paid |
| Size | 65 MB | 47 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rig Expert Ukraine Ltd.](https://appshunter.io/developer/1502248594) | [Marcus Roskosch](https://appshunter.io/developer/334053438) |

## What reviewers say

### AntScope

[App page](https://appshunter.io/ios/app/antscope/id1502248595)

Connect your RigExpert antenna analyzer to your smartphone for detailed antenna system analysis. Visualize SWR and Smith charts, and view all parameters in one place.

**Highlights:** Connects to RigExpert analyzers via BLE, SWR chart visualization, Smith chart visualization, All parameters mode, Supports RigExpert Stick 230 BLE

**Features:** macOS Compatibility

**In-app purchases:** none


### SDR

[App page](https://appshunter.io/ios/app/sdr-control-for-icom/id1614141094)

Control compatible Icom transceivers remotely or locally from your iPad. Offers full operation, dual VFO, a logbook, and integrated digital modes like FT8/FT4, SSTV, and CW decoding.

**Highlights:** Remote transceiver operation, Dual VFO and DualWatch, Integrated logbook with ADIF support, FT8/FT4, SSTV, and CW decoder tools, DX-Cluster integration, Call sign lookup and map display

**In-app purchases:** none


## Frequently asked questions

### Is AntScope free?

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

### Is SDR free?

SDR costs $49.99, with no in-app purchases.

### Which has better reviews, AntScope or SDR?

SDR is rated higher. AntScope averages 2.3 out of 5 from 52 ratings, while SDR averages 4.2 from 67 ratings.

### Do AntScope or SDR have ads?

Neither AntScope nor SDR shows ads.

### Which is updated more often, AntScope or SDR?

AntScope ships an update every 2 months, and SDR every 2 weeks. Most recently, AntScope was updated on September 25, 2026 and SDR on September 23, 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.*