# Guide Mobile for iPhone vs FS Adjuvant Selector

The clearest difference is rating: FS Adjuvant Selector at 3.0 against Guide Mobile for iPhone's 2.6. Guide Mobile for iPhone's advantage is ratings volume (5 vs 1) and iOS requirement (8.0 vs 12.4). On price, update cadence, 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.

FS Adjuvant Selector holds the better App Store score, 3.0 against 2.6. That said, the two scores are not equally well evidenced: Guide Mobile for iPhone has 5 ratings behind it against 1, so its average is the more settled of the two.

Guide Mobile for iPhone ships an update every 6 months, FS Adjuvant Selector every 7 months. The most recent releases landed on October 9, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Guide Mobile for iPhone | FS Adjuvant Selector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (5 ratings)](https://appshunter.io/ios/app/guide-mobile-for-iphone/id472297916/reviews) | **[3.0 (1 ratings)](https://appshunter.io/ios/app/fs-adjuvant-selector/id1078685173/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 7 months |
| Monetization | Free | Free |
| Size | 3 MB | 28 MB |
| Requires iOS | **8.0** | 12.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Crop Data Management Systems, Inc.](https://appshunter.io/developer/472297919) | [GROWMARK, Inc.](https://appshunter.io/developer/913994084) |

## 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


### FS Adjuvant Selector

[App page](https://appshunter.io/ios/app/fs-adjuvant-selector/id1078685173)

This tool helps determine the correct FS adjuvants to use with crop protection pesticides. It provides an up-to-date resource for agricultural professionals. Contact your local FS crop specialist for further assistance.

**Highlights:** Adjuvant selection tool, Up-to-date information, Crop protection pesticide compatibility, FS crop specialist consultation

**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 FS Adjuvant Selector free?

FS Adjuvant Selector is free to download, with no in-app purchases.

### Which has better reviews, Guide Mobile for iPhone or FS Adjuvant Selector?

FS Adjuvant Selector is rated higher. Guide Mobile for iPhone averages 2.6 out of 5 from 5 ratings, while FS Adjuvant Selector averages 3.0 from 1 ratings.

### Do Guide Mobile for iPhone or FS Adjuvant Selector have ads?

Neither Guide Mobile for iPhone nor FS Adjuvant Selector shows ads.

### Which is updated more often, Guide Mobile for iPhone or FS Adjuvant Selector?

Guide Mobile for iPhone ships an update every 6 months, and FS Adjuvant Selector every 7 months. Most recently, Guide Mobile for iPhone was updated on October 9, 2026 and FS Adjuvant Selector on September 18, 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.*