250+ iOS apps curated and reviewed
Looking for free research meter apps? 19 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7★ (210K) | No | No | Aug 2026 |
| 2 |  | Free | 3.8★ (113) | No | No | Aug 2026 |
| 3 |  | Free was $5.99 | — | No | Yes | Aug 2026 |
| 4 |  | Free | 4.5★ (14K) | Yes | Yes | Aug 2026 |
| 5 |  | Free | 3.4★ (15) | No | No | Aug 2026 |
| 6 |  | Free | — | No | No | May 2026 |
| 7 |  | Free | — | No | No | May 2026 |
| 8 |  | Free | 2.8★ (61) | — | No | May 2026 |
Share your opinions and earn money by completing quick surveys. Get paid up to $1 per survey via PayPal. Surveys are short, often under 20 seconds, and cover various topics like product reviews and location-based satisfaction.
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.
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.
Transform your iPhone into a handy measuring tool. Accurately measure lengths in centimeters and inches, up to 1 meter, without needing a physical ruler.
Measure distances and dimensions accurately using your device's camera with augmented reality. Features include undo, color customization, easy screenshots, single-tap measurements, and unit conversion (cm, m, inch).
This application measures sound levels in decibels using your device's microphone. It displays current, peak, and maximum SPL levels, with options to save measurements and view historical data through a graph histogram. The app allows for self-calibration to ensure accuracy.
Control handheld optical power meters remotely via Bluetooth. View power readings on a large gauge and a 5-digit display, with min/max tracking. Adjust basic settings like wavelength and zeroing from your mobile device.
This application functions as a calibrated sound pressure level meter, measuring current, peak, average maximum, and absolute maximum decibel levels. It offers a graph histogram to visualize sound level changes and allows users to save measurements. The tool can be self-calibrated for accuracy.
This app allows users to log in with their existing account to submit meter readings, view past readings, and manage work orders. It also provides navigation to work order property locations.
Connect your PeakTech instruments to your iOS device to record, manage, and visualize measurement readings. Enhance efficiency and quality with data logging and forwarding capabilities.
Measure sound volume with your device's microphone. Offers a simple interface with visual graphics, playback, and detailed analysis of recorded sounds. Includes explanations for decibel levels.
