# Farm Spray Pro vs ChemLog

The clearest difference is rating: ChemLog at 5.0 against Farm Spray Pro's 3.3. ChemLog also leads on ads (none vs shown). Farm Spray Pro's advantage is in-app purchases (none vs 2) and update cadence (weekly vs every 2 months). On price and device support there is nothing between them.

Both are free to download. ChemLog sells 2 in-app purchases, starting at $9.99 per month. Farm Spray Pro asks for nothing beyond the download.

ChemLog holds the better App Store score, 5.0 against 3.3. That said, the two scores are not equally well evidenced: Farm Spray Pro has 7 ratings behind it against 1, so its average is the more settled of the two.

Farm Spray Pro ships an update weekly, ChemLog every 2 months. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Farm Spray Pro | ChemLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (7 ratings)](https://appshunter.io/ios/app/farm-spray-pro/id1358826759/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chemlog/id6759417073/reviews)** |
| Number of ratings | **7** | 1 |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | **Ad-supported** | Subscription |
| Size | 16 MB | 3 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TapLogic, LLC](https://appshunter.io/developer/464313028) | [Kyler Scheer](https://appshunter.io/developer/1572932798) |

## What reviewers say

### Farm Spray Pro

[App page](https://appshunter.io/ios/app/farm-spray-pro/id1358826759)

Record, review, and report agricultural spray applications for pesticide label compliance. Features GPS field mapping, a comprehensive pesticide and pest database, and detailed spray reports. Manage records offline and sync automatically for backup.

**Highlights:** Pesticide and pest databases, GPS field mapping and measurement, Offline spray record management, Automatic data backup and sync, Detailed spray reports, Turn-by-turn field navigation

**In-app purchases:** none


### ChemLog

[App page](https://appshunter.io/ios/app/chemlog/id6759417073)

This app helps farmers and pesticide applicators create compliant, professional spray records digitally. It logs application details, weather data, field information, equipment, and pilot profiles, generating one-tap PDF reports and exporting data to CSV.

**Highlights:** Log chemical applications with weather data, Define and map fields with automatic acreage calculation, Track equipment and pilot details, Import chemical labels via barcode or photo, Generate one-tap PDF compliance reports, Share records with crew via AirDrop/Messages, Export data to CSV

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChemLog Monthly | $9.99 | per month |
| ChemLog Annual | $99.99 | per year |


## Frequently asked questions

### Is Farm Spray Pro free?

Farm Spray Pro is free to download, with no in-app purchases.

### Is ChemLog free?

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

### Which has better reviews, Farm Spray Pro or ChemLog?

ChemLog is rated higher. Farm Spray Pro averages 3.3 out of 5 from 7 ratings, while ChemLog averages 5.0 from 1 ratings.

### Do Farm Spray Pro or ChemLog have ads?

Farm Spray Pro shows ads; ChemLog does not.

### Which is updated more often, Farm Spray Pro or ChemLog?

Farm Spray Pro ships an update weekly, and ChemLog every 2 months. Most recently, Farm Spray Pro was updated on November 2, 2026 and ChemLog on October 31, 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.*