# Anchor Watch Remote vs GroundRollCalc

The clearest difference is price: GroundRollCalc at Free against Anchor Watch Remote's $1.99. GroundRollCalc also leads on update cadence (every 5 days vs every 3 weeks). Anchor Watch Remote's advantage is iOS requirement (15.6 vs 18.5). On ads, in-app purchases and device support there is nothing between them.

GroundRollCalc is free to download; Anchor Watch Remote costs $1.99 up front. Anchor Watch Remote sells 1 in-app purchase, starting at $0.49 per month and GroundRollCalc sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Anchor Watch Remote ships an update every 3 weeks, GroundRollCalc every 5 days. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Anchor Watch Remote | GroundRollCalc |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Size | 3 MB | 185 MB |
| Requires iOS | **15.6** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JOhn Lyons](https://appshunter.io/developer/571586394) | [Rob Honeycutt](https://appshunter.io/developer/1820512480) |

## What reviewers say

### Anchor Watch Remote

[App page](https://appshunter.io/ios/app/anchor-watch-remote/id1485542309)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Message Phone Number | $0.49 | per month |


### GroundRollCalc

[App page](https://appshunter.io/ios/app/groundrollcalc/id6747908402)

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GroundRollCalc Pro Monthly | $0.99 | per month |
| GroundRollCalc Pro Yearly | $9.99 | per year |
| Unlock Live GPS | $5.99 | one-time |


## Frequently asked questions

### Is Anchor Watch Remote free?

Anchor Watch Remote costs $1.99, and also offers in-app purchases.

### Is GroundRollCalc free?

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

### Do Anchor Watch Remote or GroundRollCalc have ads?

Neither Anchor Watch Remote nor GroundRollCalc shows ads.

### Which is updated more often, Anchor Watch Remote or GroundRollCalc?

Anchor Watch Remote ships an update every 3 weeks, and GroundRollCalc every 5 days. Most recently, Anchor Watch Remote was updated on October 26, 2026 and GroundRollCalc on October 28, 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.*