242+ iOS apps curated and reviewed
Every iPhone needs a few good naughty or nice test meter apps. We benchmark 242+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.5★ (4.4K) | Yes | Yes | Aug 2026 |
| 2 |  | Free | 4.4★ (2K) | Yes | Yes | Aug 2026 |
| 3 |  | Free | 1.5★ (2) | Yes | No | May 2026 |
| 4 |  | Free | 3.8★ (808) | Yes | Yes | Aug 2026 |
| 5 |  | Free | 4.5★ (765) | No | Yes | Aug 2026 |
| 6 |  | Free | 4.4★ (4.1K) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 3.8★ (955) | Yes | Yes | Aug 2026 |
| 8 |  | Free | 3.4★ (18) | Yes | No | Aug 2026 |
This app lets you test if you or your kids are naughty or nice with a fun "fingerprint scan" and animated elves. Generate official Nice/Naughty Certificates for your children, which can be customized and shared.
This entertainment app simulates scanning photos to determine if someone is naughty or nice, with a Christmas countdown. It's designed for fun and does not perform actual photo recognition.
This app uses fingerprint or photo scanning to playfully determine if you're naughty or nice. Share your results with friends and discover Santa's verdict. All scans are simulated for entertainment purposes.
This free app uses a simulated fingerprint scanner to determine if someone is naughty or nice. It offers hours of fun for children and can be used by parents to encourage good behavior. The scan results can be set to random, nice, or naughty.
Motivate good behavior in children or playfully prank friends and family with a holiday-themed list checker. Features a countdown to Christmas and customizable holiday stickers for messages.
This app provides a fun way for parents to encourage good behavior in children. It features Santa's voice explaining the process and allows parents to control the scan results, making it a playful tool for managing children's actions.
This app simulates a scanner to determine if someone is naughty or nice, inspired by movie elves. Parents can use it to encourage good behavior in children by controlling scan results. It features animated graphics and realistic sound effects for an immersive experience.
Monitor your internet connection in real-time, test speeds, and track data usage. Identify network issues, check Wi-Fi signals, and monitor app ping for a better online experience.
Monitor your energy, water, and fuel usage in real-time. Remotely recharge your prepaid meter without needing to enter tokens directly.
This app allows registered participants in Google's market research programs to interact with physical meters and manage their participation. It simplifies checking in with devices like router meters and offers a convenient way to respond to surveys and policy updates.
This app presents a series of personal questions to help users determine their "purity" score. It's designed for individual use and does not collect or store any user data, ensuring complete privacy. The test covers a range of sensitive topics like drugs, sex, and alcohol.
This tool transforms your iPhone into a professional sound level meter. It accurately measures ambient noise levels, providing real-time decibel readings directly on your device.
This app functions as a standalone reflective light meter or pairs with hardware for professional flash and color temperature measurements. It offers various modes for photography and videography, storing measurements with notes and location.
Monitor your smart meter devices in real time with this mobile terminal application. It provides easy-to-understand data visualization for both current and historical information, accessible from anywhere. The app is designed to be efficient, using minimal internet traffic.
This app measures ambient light levels in lux or foot-candles using your iPhone camera. It provides instant feedback on whether a space is too dim, comfortable, or bright enough for various tasks and offers calibration options.
Transform your device into a versatile toolkit with a comprehensive suite of measuring instruments. This app offers a metronome, stopwatch, timer, ruler, level, and various sensors to assist with a wide range of tasks.
This app connects to a wireless light and color meter via Bluetooth, displaying exposure, color temperature, and other light data on your smartphone. It helps photographers and videographers set accurate exposure and white balance for various camera types and lighting conditions.