Whether you’re in the beginning stages of planning a renovation project or are already midway through, DIY project guides, calculators, and color matching swatches would all come in handy, right? Lucky for you, there’s an app for everything nowadays – including home improvement, design, and renovation. With these helpful mobile apps in your virtual tool belt, you’ll be able to tackle virtually any project without having to get your contracting license.

WikiHow (Android, iOS)

This free app is like Wikipedia for the DIY community. Within the app you’ll find thousands of how-to guides ranging from life hacks and quick repairs to DIY projects and food recipes. Users can browse by category, search by term, check out featured articles, and bookmark how-tos for offline reading – all from the comfort of their own home. If you’re using the iOS version, there’s an additional perk: a collection of first aid and survival guides that come preloaded for offline use – because you never know if you’ll hurt yourself while at the hardware store.

Houzz (Android, iOS)

Often referred to as the “Wikipedia of Interior Design,” Houzz is a popular social network dedicated to interior design and home improvement. Their official app is the home of thousands of articles, discussions, and photographs intended to inspire and motivate DIYers to take the next step in renovating their homes. Whether you’re looking for ideas or inspiration, this is the app for you. When the time is right, the app includes a directory of local professionals including architects and contractors.

Home Improvement Calcs (iOS)

Perfect for homeowners interested in forecasting the costs of certain renovations, the Home Improvement Calcs app includes a variety of helpful DIY calculators and estimation tools. The database includes over 74,000 preset functions that range from mulch coverage to attic insulation volumetrics. With the amount of explanatory illustrations found in Home Improvement Calcs, you’ll be able to make your way through the flooring section of a home improvement store with ease.

iFixIt (Android, iOS)

This DIY-oriented app focuses on do-it-yourself repairs and includes repair and teardown guides for a variety of categories and devices, ranging from vehicles and smartphones to common household appliances and furniture. Whether you’re fixing a leaky sink or replacing your cell phone’s battery, this app can help. Users can browse by category, check out featured guides, and even create their own guides straight from within the app. If you don’t have the necessary tools or parts, the app includes a handy link to iFixIt’s own online store.

House Maintenance Schedule (Android)

So, you’ve installed a new vanity sink – but will you remember when to deep clean the oak? Now, thanks to the House Maintenance Schedule app, you’ll be reminded when it’s time to give your vanity a little TLC. Anything from flushing the water heater and inspecting fire extinguishers to changing HVAC filters and cleaning the rain gutters can conveniently be scheduled using this app. Over time you’ll find that remembering minuscule maintenance tasks can prevent them from becoming large and expensive issues.