# Guide Mobile for iPhone vs NSTracker

The clearest difference is review sentiment: NSTracker at 100% against Guide Mobile for iPhone's 29%. NSTracker also leads on rating (4.2 vs 2.6) and update cadence (every 2 months vs every 6 months). Guide Mobile for iPhone's advantage is iOS requirement (8.0 vs 15.1). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

NSTracker holds the better App Store score, 4.2 against 2.6. Both are backed by a comparable volume of ratings — 5 and 6 respectively. Written reviews point the same way: 29% of Guide Mobile for iPhone's written reviews are positive against 100% of NSTracker's.

Guide Mobile for iPhone ships an update every 6 months, NSTracker every 2 months. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Guide Mobile for iPhone | NSTracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (5 ratings)](https://appshunter.io/ios/app/guide-mobile-for-iphone/id472297916/reviews) | **[4.2 (6 ratings)](https://appshunter.io/ios/app/nstracker/id516392828/reviews)** |
| Number of ratings | 5 | **6** |
| Positive reviews | 28.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 3 MB | 67 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Crop Data Management Systems, Inc.](https://appshunter.io/developer/472297919) | [Nutrien AG Solutions, Inc.](https://appshunter.io/developer/516392831) |

## What reviewers say

### Guide Mobile for iPhone

[App page](https://appshunter.io/ios/app/guide-mobile-for-iphone/id472297916)

Access comprehensive crop protection product information from major manufacturers. Features include customized searches, automatic label change notifications, and detailed data on PHI, REI, RUP, WPS, Hazmat, PPE, and DOT.

**Highlights:** Manufacturer product information, Customized search profiles, Automatic label change notifications, 50-state coverage, PHI, REI, RUP, WPS, Hazmat, PPE, DOT data, Full label and SDS access

**In-app purchases:** none


### NSTracker

[App page](https://appshunter.io/ios/app/nstracker/id516392828)

This app allows field samplers to submit lab samples for soil, tissue, and water. It supports adding growers, farms, and fields, with geospatial mapping and access to historical data. Users can also manage favorites and customize their experience.

**Highlights:** Lab sample submission (soil, tissue, water), Grower, farm, and field management, Geospatial boundary mapping, Sample history and report access, Quick resampling, Favorites and customization

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

**In-app purchases:** none


## Frequently asked questions

### Is Guide Mobile for iPhone free?

Guide Mobile for iPhone is free to download, with no in-app purchases.

### Is NSTracker free?

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

### Which has better reviews, Guide Mobile for iPhone or NSTracker?

NSTracker is rated higher. Guide Mobile for iPhone averages 2.6 out of 5 from 5 ratings, while NSTracker averages 4.2 from 6 ratings.

### Do Guide Mobile for iPhone or NSTracker have ads?

Neither Guide Mobile for iPhone nor NSTracker shows ads.

### Which is updated more often, Guide Mobile for iPhone or NSTracker?

Guide Mobile for iPhone ships an update every 6 months, and NSTracker every 2 months. Most recently, Guide Mobile for iPhone was updated on October 9, 2026 and NSTracker on October 11, 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.*