Access your library account on the go, managing your account, searching the catalog, renewing items, and placing holds with ease. Download now to bring the library to your fingertips.
Pikes Peak Library by Pikes Peak Library District






25+ iOS apps curated and reviewed
The best ppld apps on iPhone average 4.1β across 25+ titles β we've ranked them by what real users actually keep on their phones. Updated June 2026.






Access your library account on the go, managing your account, searching the catalog, renewing items, and placing holds with ease. Download now to bring the library to your fingertips.






Automate and simplify the science of growing with the Smart Grow System - monitor and control all aspects of your grow setup, track plant growth with diaries, and shop securely with free shipping on orders over $59. Start optimizing your growth today!

This application helps gardeners optimize plant growth by providing precise light measurements and in-depth analysis, converting LUX readings into PPFD and DLI, and offering customizable profiles and advanced light mapping. Download it today to take your plant care to the next level with precision and expertise.


An app designed to help optimize plant lighting by measuring PAR, lux, and kelvin, aiding in maximizing yield while minimizing energy consumption. Additionally, it offers helpful articles, a plant lighting calculator, and a Pro subscription for advanced features and resources to support plant growth. Visit the website to learn more.


Measure light intensity with precision using the Lux-525 Pro Light Meter app. Get accurate readings of light levels in any setting, helping you adjust lighting conditions for optimal productivity and comfort. Download now to experience enhanced control over your environment.


Measure light intensity accurately with the Light Meter LM-3000 app, offering a user-friendly interface for quick and precise readings. Enhance your lighting setups with this essential tool.




The application is a versatile light meter that caters to the needs of photographers, plant enthusiasts, and anyone seeking to optimize workspace illumination. With features like real-time color temperature readings, Lux and Foot Candle measurements, average and maximum light value tracking, and shooting recommendations for photographers, this app provides a comprehensive solution for measuring and managing light in various environments. [Call to action: Download the app now to take control of your lighting and capture the perfect shots or ensure ideal conditions for your plants.]


"Lux Light Meter Pro for Photo" is a handy tool that accurately measures light levels for photographers. With its user-friendly interface and precise readings, this app helps photographers achieve optimal lighting conditions for their photos. Download now for professional-grade light measurement in your pocket.


This wireless controller application connects to a handheld spectral PAR meter via Bluetooth, allowing users to remotely analyze and configure light sources, save data, and view detailed information such as spectrum diagrams and light absorption metrics. With the app, users can also share measured data via email and access various features for in-depth light source analysis.


This application calculates conversions between different light units for various light sources, including shortwave radiation, photosynthetic photon flux, Lux, and Foot-candles. Download the app to easily convert light units and make informed decisions in fields such as agriculture, forestry, and lighting design.




Transform your iPhone into a professional light meter and exposure tool with this intuitive app, perfect for photographers, videographers, and lighting specialists. Unlock advanced features like spot metering, histograms, and exposure tracking with flexible subscription plans to achieve consistent and accurate light measurement.








This light meter app helps you measure and optimize lighting levels for your houseplants, ensuring they receive the right amount of light to stay healthy. With this tool, you can easily measure lux and foot candle levels, save readings, and make informed decisions to give your plants the best chance to thrive.





