SoilIQ – Soil Temperature

SoilIQ – Soil Temperature

Know when to plant, water, mow

15 ratings
10 reviews
Free
In-App Purchases

Details

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

Features

SoilIQ – Soil Temperature screenshot #1 for iPhone
SoilIQ – Soil Temperature screenshot #2 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

2.5.3

August 21, 2026

SoilIQ 2.5.3: Warm Enough Is Not Enough Time Until now, PlantAI called a crop ready when your soil was warm enough today. It never asked whether enough season remained for that crop to finish before frost. Now it does. Several other places where the app assumed what season, or what place, it was in have been corrected too. What's new: - PlantAI checks whether enough season is left, using your location's own frost record and the next two weeks of forecast. Expect fewer crops than before, and a bigger drop the shorter your season. That is the check working. - Every crop says what it expects: ready now, a partial pick before frost, or a warm autumn finishes it and a cool one may not. - Pre-emergent timing now knows which way the soil is moving. It was a temperature band and nothing else, so autumn soil falling back through the spring range reopened a window that closed in June. - The app can no longer recommend overseeding and pre-emergent on the same day. Pre-emergent stops seed germinating, and until now both could appear together. - Field and forage crops have left home garden recommendations. Sorghum, millet, alfalfa and the lawn grasses now sit in their own section or in LawnIQ. - A location that has never recorded a frost no longer gets a made up frost date. - A region is no longer treated as a point. Searching a state saved its centre and read the soil there. Fixes and improvements: - The planting window card recommended crops the app had already ruled out, offering tomatoes at a mountain location in August while the count below it correctly said no. - Two things on one screen both said Ready Now and gave different numbers. - Crops with no picture showed a plain green circle, and every lawn grass showed a golfer. - Pre-emergent timing had two separate rule sets that disagreed with each other between 58 and 67 degrees. - The floating PlantAI and LawnIQ control let crop names show through it, so two lines of text collided and neither could be read. 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.