# Bird Repellent vs GroundRollCalc

The clearest difference is price: GroundRollCalc at Free against Bird Repellent's $3.99. Bird Repellent's advantage is in-app purchases (none vs 3) and iOS requirement (10.0 vs 18.5). On ads and device support there is nothing between them.

GroundRollCalc is free to download; Bird Repellent costs $3.99 up front. GroundRollCalc sells 3 in-app purchases, starting at $0.99 per month. Bird Repellent asks for nothing beyond the download.

## The numbers

| Metric | Bird Repellent | GroundRollCalc |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[1.8 (5 ratings)](https://appshunter.io/ios/app/bird-repellent/id1469747320/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Monetization | Paid | — |
| Size | 68 MB | 185 MB |
| Requires iOS | **10.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SPIDER SERVICE SRL](https://appshunter.io/developer/1120210105) | [Rob Honeycutt](https://appshunter.io/developer/1820512480) |

## What reviewers say

### Bird Repellent

[App page](https://appshunter.io/ios/app/bird-repellent/id1469747320)

This utility app emits real sounds designed to deter common birds like pigeons and starlings. It operates in the background and can be enhanced with Bluetooth speakers for greater effectiveness. It aims to provide a simple yet comprehensive solution for keeping birds away.

**Highlights:** Five real repellent sounds, Works in background, Enhance with Bluetooth speakers, Comprehensive bird repellent solution, Effective alternative to physical deterrents

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

**In-app purchases:** none


### 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 Bird Repellent free?

Bird Repellent costs $3.99, with no in-app purchases.

### Is GroundRollCalc free?

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

### Do Bird Repellent or GroundRollCalc have ads?

Neither Bird Repellent nor GroundRollCalc shows ads.

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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.*