# RadarScope vs GDDTracker

The clearest difference is review sentiment: GDDTracker at 100% against RadarScope's 51%. GDDTracker also leads on price (Free vs $9.99) and rating (4.7 vs 4.2). RadarScope's advantage is ratings volume (2.8K vs 13) and chart position (#1 vs unranked). On ads, in-app purchases and iOS requirement there is nothing between them.

GDDTracker is free to download; RadarScope costs $9.99 up front. RadarScope sells 4 in-app purchases, starting at $9.99 per year and GDDTracker sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

GDDTracker holds the better App Store score, 4.7 against 4.2. That said, the two scores are not equally well evidenced: RadarScope has 2.8K ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 51% of RadarScope's written reviews are positive against 100% of GDDTracker's.

RadarScope ships an update monthly, GDDTracker every 2 days. The most recent releases landed on October 19, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | RadarScope | GDDTracker |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [4.2 (2.8K ratings)](https://appshunter.io/ios/app/radarscope/id288419283/reviews) | **[4.7 (13 ratings)](https://appshunter.io/ios/app/gddtracker/id6752981800/reviews)** |
| Number of ratings | **2.8K** | 13 |
| Positive reviews | 51.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | **Free with in-app purchases** | Subscription |
| Best chart rank | **#1** | — |
| Size | 310 MB | 15 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | **iPhone, iPad, Mac, Apple TV, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Base Velocity, LLC](https://appshunter.io/developer/288419286) | [Kirk Faris](https://appshunter.io/developer/1842027731) |

## What reviewers say

### RadarScope

[App page](https://appshunter.io/ios/app/radarscope/id288419283)

**Currently charting:** #1 Top Paid · Weather, #12 Top Grossing · Weather, #103 Top Paid (US App Store)

Visualize professional-grade weather radar data with advanced tools for meteorologists, storm spotters, and enthusiasts. Access real-time radar information, severe weather alerts, and historical data with optional subscription tiers for enhanced capabilities.

**Highlights:** Single-site radar data visualization, Severe weather alerts and warnings, NWS-generated storm tracks, Historical radar data archive, GOES satellite products, Multi-Radar Multi-Sensor products

**Features:** Family Sharing, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Tier 1 | $9.99 | per year |
| Pro Tier 2 | $14.99 | per month |
| Pro Tier 2 | $99.99 | per year |
| RadarScope Pro Subscription | $9.99 | one-time |

**What reviewers like**

- 🚀 Excellent radar app
- 🔍 Detailed radar data and features
- ⚡ Lightning detection
- 📍 Accurate location tracking
- 🌪️ Helpful for storm tracking and chasing

**What reviewers complain about**

- 💰 Expensive with additional subscription fees
- 🗺️ Limited map details without subscription
- 🕰️ Radar data can be delayed
- 🇨🇦 Limited support for Canadian users
- 🤔 Steep learning curve for novice users

**Reported bugs**

- Subscription issues and failed purchases
- Inconsistent radar updates and connectivity problems
- Apple Watch app limitations and bugs

**Requested features**

- Winter weather advisories and precipitation coloring
- Ability to view multiple radars simultaneously
- More detailed road maps
- Archived radar data access
- Customizable alert colors and notifications


### GDDTracker

[App page](https://appshunter.io/ios/app/gddtracker/id6752981800)

This app calculates Growing Degree Days (GDD) using hyper-local weather data to help you precisely time lawn care applications. It also logs applications, provides smart reminders, and includes profiles for over 50 grass varieties.

**Highlights:** Growing Degree Day (GDD) calculation and forecasting, Application logging with product details and notes, Smart reminders based on GDD, days, or soil temp, 50+ grass variety profiles, Rate calculator for product amounts, Multiple lawn management, CSV/PDF record export

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Annual | $9.99 | per year |


## Frequently asked questions

### Is RadarScope free?

RadarScope costs $9.99, and also offers in-app purchases.

### Is GDDTracker free?

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

### Which has better reviews, RadarScope or GDDTracker?

GDDTracker is rated higher. RadarScope averages 4.2 out of 5 from 2.8K ratings, while GDDTracker averages 4.7 from 13 ratings.

### Do RadarScope or GDDTracker have ads?

Neither RadarScope nor GDDTracker shows ads.

### Which is updated more often, RadarScope or GDDTracker?

RadarScope ships an update monthly, and GDDTracker every 2 days. Most recently, RadarScope was updated on October 19, 2026 and GDDTracker on October 17, 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.*