SoilIQ – Soil Temperature

SoilIQ – Soil Temperature

Know when to plant and water

15 ratings
10 reviews
Free
In-App Purchases

Details

  • Released
  • Updated
  • April 21, 2026
  • August 13, 2026

Features

SoilIQ – Soil Temperature screenshot #1 for iPhone
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SoilIQ – Soil Temperature screenshot #10 for iPhone
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About

This app provides data-driven insights for gardening and lawn care. It uses soil temperature, forecasts, and AI to guide planting, watering, and maintenance decisions. Features include calculators for materials and nutrients, and a journal to track activities.

Soil temperature monitoring
14-day soil forecasts
PlantAI for crop readiness
LawnIQ for lawn care guidance
Material and nutrient calculators
Activity and field journal
Apple Watch and Siri integration
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What's New in SoilIQ

2.5.1

August 13, 2026

SoilIQ 2.5.1: Accuracy and Reliability This release is about being right. Every change below either corrects something the app was telling you, or makes sure that what you saved stays saved. What's new: - Honest answers in PlantAI: crops that are not started from seed no longer show a planting readiness verdict that never applied to them. Where soil temperature is not the deciding factor, SoilIQ says so - Right depth, right crop: planting readiness is judged at the depth that matters for each crop, not the depth you happen to be viewing. A shallow-sown crop and a deep-sown crop no longer share a verdict - Your Data now lives in Settings under About, where you would look for it - Data export includes your saved calculations, and the export summary describes exactly what is in the file Fixes and improvements: - Fixed a crash that could occur when opening a saved calculation - Lawn Profile changes now save reliably. A change could previously be reported as saved without being written - Soil texture is read fresh for each location instead of carrying over from the last place you viewed, which affected watering and moisture guidance - What's New shows the notes for the version you just installed, and no longer appears the first time you open the app - Reliability improvements to how your information is loaded and saved Stop Guessing. Plant by Soil.

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Subscription plans

SoilIQ Pro Monthly

Unlock all Pro features. Billed monthly, $4.99/mo.

$4.991 Month
7 Days trial
How to cancel SoilIQ subscription ⁉️

User reviews

GDD calibration

The development team responds quickly and respectfully to users' concerns.

I shared my concern about not being able to adjust the target GDD, and the next day, they had fixed it.

Highly recommend this app

Response from developer

Thank you so much for the kind words and for taking the time to share that feedback. It genuinely helped improve SoilIQ. I’m building this app to be as useful and responsive as possible for real users in the field, so feedback like yours makes a big difference. Really appreciate the support!

Awesome app w/ pro features!!

Soil IQ has been a powerful tool for my lawn care. I love being able to enter my grass type in the LawnIQ tab/section and get custom insights tailored to my property. Super easy to use, great layout, and I'm excited to see what future features bring!!

Response from developer

Thank you so much for the thoughtful review. I’m really glad LawnIQ has been useful for your lawn care and that the grass-type insights feel tailored to your property. That is exactly the direction I’m working toward with SoilIQ. Making soil and lawn guidance feel more personal, practical, and easy to use. I really appreciate the support, and there’s a lot more coming!

What I’ve Been Missing

I can’t stand keeping up with everything for my lawn and garden in different places. Eventually, I just give up. From the soil temp to the major tasks like fertilizing, watering, and pre-emergent, I can now track and log information that matters in one location for right when I need it. It’s too easy not to. SoilIQ is worth it!
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Soil with intelligence

Finally, something in this space that actually makes sense.

Most “soil apps” either overwhelm you with data or oversimplify everything to the point where it’s useless. SoilIQ hits a really nice balance — it gives you meaningful insights without making you feel like you need a degree in agronomy to use it.

If you care about getting better results out of your lawn or managing turf more intelligently, this is worth using. It’s especially helpful for dialing in inputs instead of just throwing fertilizer down and hoping for the best.

Big upside here as it continues to evolve.
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Response from developer

This made my day, thank you! The "without a degree in agronomy" framing is exactly what I'm going for. People all over the world will benefit from SoilIQ and I'm happy this app can be the solution that they've been looking for!

A serious app for lawn care

SoilIQ feels like a real tool, not just another basic weather app. The soil temperature data, forecasts, LawnIQ guidance, and journal features make it useful for planning lawn work and tracking what I’ve done. It’s detailed enough for someone who cares about lawn care but still simple enough to use quickly. 5-stars!
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FAQ

What is SoilIQ?

SoilIQ is a utility app that provides soil temperature data and forecasts to help users make informed decisions about planting, watering, and lawn care. It uses AI and specific calculators to offer tailored guidance.

What are the Pro features in SoilIQ Calculator?

The Pro features in SoilIQ Calculator include a Product Rate Calculator, Nitrogen Calculator, Grass Seed Calculator, and Mulch, Soil & Sand Calculator. These allow for precise calculations of materials needed for various lawn and garden projects.

How does LawnIQ help with lawn care?

LawnIQ, integrated into SoilIQ, provides soil-powered lawn advice. It uses soil temperature, forecasts, grass type, and other factors to guide decisions on mowing, watering, seeding, and protecting your lawn.

Can SoilIQ be used for crops?

Yes, SoilIQ features PlantAI, which helps understand crop-specific planting readiness. It uses soil temperature, forecast conditions, frost risk, and moisture signals for over 130 crops.

Does SoilIQ require an account?

No, SoilIQ is a privacy-first app and does not require an account to use its core features. You can track conditions across multiple saved locations without needing to register.

What devices does SoilIQ support?

SoilIQ is supported on Apple Watch and iPhone. It also offers Siri integration, widgets, and Live Activities for convenient access to soil temperature readings.

How often is SoilIQ updated?

The latest version of SoilIQ is 2.3.2, and it was last updated on May 25, 2026. This indicates a relatively active development cycle for the application.

What is the user rating for SoilIQ?

SoilIQ has an excellent rating of 5.0 stars based on 12 ratings. This suggests a high level of user satisfaction with the app's functionality and performance.