# Soil Test Pro vs Sign Drops

The clearest difference is price: Soil Test Pro at Free against Sign Drops's $1.99. Soil Test Pro also leads on ratings volume (14 vs 1) and update cadence (every 3 months vs every 7 months). Sign Drops's advantage is rating (5.0 vs 3.7) and chart position (#198 vs unranked). On ads and in-app purchases there is nothing between them.

Soil Test Pro is free to download; Sign Drops costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sign Drops holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Soil Test Pro has 14 ratings behind it against 1, so its average is the more settled of the two.

Soil Test Pro ships an update every 3 months, Sign Drops every 7 months. The most recent releases landed on September 7, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Soil Test Pro | Sign Drops |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [3.7 (14 ratings)](https://appshunter.io/ios/app/soil-test-pro/id485742991/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sign-drops/id1606554586/reviews)** |
| Number of ratings | **14** | 1 |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#198** |
| Size | 24 MB | 21 MB |
| Requires iOS | **15.6** | 17.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TapLogic, LLC](https://appshunter.io/developer/464313028) | [Jeremy Barr](https://appshunter.io/developer/478732789) |

## What reviewers say

### Soil Test Pro

[App page](https://appshunter.io/ios/app/soil-test-pro/id485742991)

Streamline your soil sampling process with this app. It offers GPS field boundary drawing, offline capabilities, and direct integration with leading monitors for fertilizer recommendations and controller files. Access lab results and historical data easily.

**Highlights:** GPS field boundary drawing, Offline work capability, Lab results in 5-7 days, Fertilizer recommendations, Controller file export, Soil testing history, Aerial imagery

**Features:** Vision Pro support

**In-app purchases:** none


### Sign Drops

[App page](https://appshunter.io/ios/app/sign-drops/id1606554586)

**Currently charting:** #198 Top Paid · Utilities (US App Store)

Manage and track sign placements for events, yard sales, or campaigns. Record detailed notes and precise locations for each sign, and oversee multiple events simultaneously for efficient organization and retrieval.

**Highlights:** Intuitive sign tracking system, Detailed notes and precise locations, Multi-event management, Seamless sign retrieval, Maximizes visibility and impact

**In-app purchases:** none


## Frequently asked questions

### Is Soil Test Pro free?

Soil Test Pro is free to download, with no in-app purchases.

### Is Sign Drops free?

Sign Drops costs $1.99, with no in-app purchases.

### Which has better reviews, Soil Test Pro or Sign Drops?

Sign Drops is rated higher. Soil Test Pro averages 3.7 out of 5 from 14 ratings, while Sign Drops averages 5.0 from 1 ratings.

### Do Soil Test Pro or Sign Drops have ads?

Neither Soil Test Pro nor Sign Drops shows ads.

### Which is updated more often, Soil Test Pro or Sign Drops?

Soil Test Pro ships an update every 3 months, and Sign Drops every 7 months. Most recently, Soil Test Pro was updated on September 7, 2026 and Sign Drops on September 19, 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.*