207+ iOS apps curated and reviewed
Whether you're new to observation challenge app or looking for an upgrade, our curated collection of 207+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.6★ (42K) | Yes | Yes | Jul 2026 |
| 2 |  | $13.99 | 4.3★ (121) | No | No | Jun 2026 |
| 3 |  | Free | 4.2★ (3.7K) | No | Yes | Jul 2026 |
| 4 |  | Free | 4.8★ (46) | Yes | Yes | Jul 2026 |
| 5 |  | Free | 4.8★ (659) | Yes | Yes | Jul 2026 |
| 6 |  | Free | 4.8★ (2.8K) | No | Yes | Jul 2026 |
| 7 |  | Free | 4.0★ (20) | No | No | Jul 2026 |
| 8 |  | Free | 4.9★ (63) | No | Yes | Jul 2026 |
This augmented reality app transforms your phone into a versatile measuring tool. Accurately measure distances, surfaces, angles, and even detect studs. Visualize furniture placement and create floor plans with ease.
This tool simplifies data collection for tracking behaviors, goal progress, and interventions. It offers customizable observation modules and exports results for analysis or reports. Ideal for professionals, families, and individuals managing behavior.
This app provides tools to build physical and mental toughness over 75 days. Track water intake, training, weight, and progress photos. Connect with a supportive community on a similar journey.
This app helps you complete self-improvement challenges with customizable tasks, progress tracking, and motivational tools. Log daily activities, capture progress photos, and generate timelapse videos. All your data is stored securely on your device.
This app helps you build lasting habits by tracking your progress on custom challenges. Set flexible durations, log daily progress with photos and notes, and monitor weight trends. Stay motivated with home screen widgets to maintain your streaks.
Compete in fitness challenges with friends using various metrics like weight loss, steps, and body fat. Track your progress with integrated health data and visualize your journey with insightful charts and graphs.
Challenge friends, family, or global talents in any skill, from sports to baking. Create custom challenges, compete for high scores, and share your achievements. Join a positive community focused on showcasing talents and rising to the challenge.
Track your Steel Challenge shooting performance, from live match scoring to long-term classification goals. Analyze progress, compare scores, and visualize improvements with detailed stats and charts.
This app helps improve study habits by accurately measuring focus time. It offers features like global study groups, real-time study tracking, and detailed statistics to enhance concentration and productivity.
Easily set and track personal goals with custom challenges. Name your goals, add descriptions, and choose themes. Monitor your progress daily and share your journey with friends for added motivation.
Transform your phone into a precise measuring device using augmented reality. Measure distances, surfaces, and object sizes with an intuitive interface and accurate results.
This app helps you create and track multi-day challenges to build discipline and form habits. You can log daily check-ins, record totals, upload progress pictures, and write journal entries for each challenge. It offers flexibility to adjust challenges and syncs data across devices.
Unlock your phone's sensors for scientific exploration. Conduct pre-built experiments or create your own using accelerometers, magnetometers, and more. Analyze and export data in various formats for further study.
This platform streamlines classroom observations, teacher evaluations, and professional development. It helps instructional leaders gather actionable insights from observation data to monitor educator growth and foster targeted development.
This app helps you build consistency by tracking daily tasks for your 75-day challenge. It offers personalized onboarding, various challenge modes, and private journaling to visualize your progress. Designed for wellness and fitness routines, it prioritizes user privacy with local data storage.
This tool simplifies behavior observation and data collection for understanding why behaviors occur. It helps in functional behavior assessments, progress monitoring, and behavior intervention plan development. Analyze frequency, duration, and ABC data, then export results in various chart formats.
This app helps you gain self-knowledge by tracking aspects of your life through randomly timed surveys. It can illuminate unmeasurable parts of your daily routine, offering insights into your habits and behaviors.
This AI-powered coach transforms your goals into a 90-day action plan. It analyzes your objectives to provide personalized daily tasks and a detailed guide for sustained progress across various life areas.