# Spray Mix & Tank Calculator — Pesticide & Herbicide Rates

> Pesticide dilution calculator for professionals, offering accurate spray mix rates. (iPhone/iPad app by Mike Watson.)

- Source: https://appshunter.io/ios/app/spray-mix-and-tank-calculator/id6759580852 (this page in markdown: same URL + `.md`)
- Developer: [Mike Watson](https://appshunter.io/developer/1848411021)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Rating: 5.00/5 from 3 App Store ratings
- Age rating: 4+
- Requires: iOS 15.1 · 45 MB
- Languages: American English
- Released: 2026-02-25
- Data updated: 2026-08-19
- Monetization: freemium
- User reviews in markdown: https://appshunter.io/ios/app/spray-mix-and-tank-calculator/id6759580852/reviews.md

## What is Spray Mix & Tank Calculator?

Spray Mix & Tank Calculator gets you the right amount of product for your tank — fast. Built for pest control techs, lawn care pros, and homeowners mixing pesticides, herbicides, insecticides, fungicides, liquid fertilizer, disinfectants — any concentrate you mix with water.

THREE MODES
• oz per gallon (or mL per L)
• oz per 1,000 sq ft with application volume (or mL–g per 100 m²)
• % solution with active-ingredient adjustment

BUILT FOR THE FIELD
• Works fully offline — no account, no sign-up
• Tank presets and metric/imperial toggle
• Practical rounding with lbs/kg conversions
• Loads per job: see how many tank fills a job takes
• Share a clean mix card with your crew

NEW IN 1.9
• My Products — save your go-to products and rates, reload them in one tap
• Barcode scan — point at the jug and jump straight to your saved mix
• Spray Log — record every application (site, product, rate, notes) and export your records anytime

Enter the label rate, pick your tank size, tap Calculate. Done.

IMPORTANT
This app is a calculator only. It does not recommend rates, validate labels, or provide pesticide advice. Always read and follow the specific product label for the chemical you are applying.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Key features

- Instant spray mix rate calculations
- Multiple calculation modes (oz/gal, area-based, % solution)
- Offline functionality
- Metric and imperial unit support
- Real-time results
- Save and share mix history
- Dark and light modes

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Pro Monthly | $0.99 | per month |
| Pro Annual | $9.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Pro Lifetime | $17.99 | one-time |



## Frequently asked questions about Spray Mix & Tank Calculator

### What is Pesticide Mix Calculator?

Pesticide Mix Calculator is a utility app designed for professionals to accurately determine spray mix rates for pest control and lawn care applications. It offers three distinct calculation modes to suit various needs.

### Does Pesticide Mix Calculator work offline?

Yes, Pesticide Mix Calculator works fully offline. All calculations are performed on-device, ensuring functionality even in areas with no cellular signal, such as basements or rural job sites.

### What calculation modes does Pesticide Mix Calculator offer?

Pesticide Mix Calculator provides three modes: oz/gal (or mL/L) for label rate and tank size, Area-Based for rate, area, and volume, and % Solution for desired concentration, with an optional Active Ingredient % adjustment.

### Can I save and share my calculations with Pesticide Mix Calculator?

Yes, you can save your mixes with a product name and share them as professional image cards. This feature is useful for record-keeping and team communication.

### Does Pesticide Mix Calculator have ads?

No, Pesticide Mix Calculator does not contain advertisements. It offers a clean, ad-free experience for its users.

### What are the subscription options for Pesticide Mix Calculator?

Pesticide Mix Calculator offers Pro Monthly at $0.99/month and Pro Annual at $9.99/year, both with a 3-day free trial. These subscriptions likely unlock advanced features or remove limitations.

### What is the update frequency for Pesticide Mix Calculator?

The latest version, 1.6.23, was released on May 11, 2026. The app is updated regularly, with the last update occurring approximately two weeks before the release date of this version.

### Is Pesticide Mix Calculator suitable for all users?

Pesticide Mix Calculator is rated for ages 4+ and is designed for professional use. It is important to always follow the specific product label for any chemical you are applying, as the app is a calculator only and does not provide advice.

## Version history (last 5 releases)

### 1.9.0 — 2026-08-17

• My Products: save your go-to rates, reload in one tap
• Barcode scan: point at the jug, load your saved mix
• Spray Log: record every application and export your records
• Loads per job on area calculations
• Refreshed icon, easier sharing, and polish

### 1.8.3 — 2026-07-28

- Improved ad configuration and reliability
- Minor bug fixes and behind-the-scenes stability improvements

### 1.8.2 — 2026-07-14

Calculations are now saved to your history automatically when you tap Calculate.

### 1.8.1 — 2026-07-05

-Optimized screens for display

### 1.7.0 (60) — 2026-06-04

-Updates to some UI functionality

## Apps similar to Spray Mix & Tank Calculator

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [PestMath: Pesticide Calculator](https://appshunter.io/ios/app/pestmath-pesticide-calculator/id6744030839) | 5.0 (1) | Free | Utilities |
| [PropertyCareApp](https://appshunter.io/ios/app/propertycareapp/id6757750680) | — | Free | Utilities |
| [Posety - AI Art Poster](https://appshunter.io/ios/app/posety-ai-art-poster/id6776549076) | — | Free | Utilities |
| [Herbicide Calc](https://appshunter.io/ios/app/herbicide-calc/id6751302182) | — | Free | Utilities |
| [Spot Spray Tank Mix Calculator](https://appshunter.io/ios/app/spot-spray-tank-mix-calculator/id6755640749) | 5.0 (3) | Free | Utilities |
| [SprayMix](https://appshunter.io/ios/app/spraymix/id6744618752) | — | Free | Utilities |

## More apps by Mike Watson

- [Leafed - Private Book Tracker](https://appshunter.io/ios/app/leafed-private-book-tracker/id6754466418)
- [HVAC Load Calculator Manual J](https://appshunter.io/ios/app/hvac-load-calculator-manual-j/id6758120488)
- [Water Damage Report Photo Docs](https://appshunter.io/ios/app/water-damage-report-photo-docs/id6758919407)
- [A2L Safe Charge - Superheat](https://appshunter.io/ios/app/a2l-safe-charge-superheat/id6760899340)
- [Attentionly: Time Audit](https://appshunter.io/ios/app/attentionly-time-audit/id6761147386)

All apps by Mike Watson: https://appshunter.io/developer/1848411021

## Related topics

[pesticide](https://appshunter.io/ios/topics/pesticide) · [pest control](https://appshunter.io/ios/topics/pest-control)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-19.*