133+ iOS apps curated and reviewed
Whether you're new to mm scale or looking for an upgrade, our curated collection of 133+ 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★ (25) | No | Yes | Jul 2026 |
| 2 |  | Free | 3.7★ (3) | No | Yes | May 2026 |
| 3 |  | Free | — | No | No | May 2026 |
| 4 |  | Free | 4.2★ (4.3K) | Yes | Yes | Aug 2026 |
| 5 |  | Free was $3.99 | 4.3★ (4) | No | Yes | May 2026 |
| 6 |  | Free | 1.8★ (66) | Yes | No | Aug 2026 |
| 7 |  | Free | 4.6★ (104) | Yes | No | Aug 2026 |
| 8 |  | Free | 5.0★ (4) | — | No | Jul 2026 |
This app allows users to measure printed architectural and engineering drawings directly on their device. It supports both known and unknown scales, offering fixed and variable scale options for precise measurements. Users can also select secondary units for quick conversions.
Easily convert distances between any scales for projects like architecture and model building. Input your measurements and desired scale to instantly calculate scaled distances.
This app functions as a digital measuring tool, allowing you to measure objects and distances with accuracy. It also enables you to create sketches with text annotations and share your measurements and designs.
This app serves as a comprehensive reference for string instrument players, offering extensive libraries of tunings, chords, and scales. Users can visualize musical concepts, customize scales, and practice with integrated sound playback. It also allows for personalization of instrument appearance and a clean practice mode.
Transform your smartphone into an expanded display for your smart kitchen scale. Effortlessly convert between numerous weighing units like kg, oz, lb, and ml, and even convert weight to length for yarn measurement. Supports Siri Shortcuts for convenient control.
Easily convert measurements between inches and millimeters. This straightforward tool simplifies length conversions for everyday use.
Easily convert between any units and scales for scratch-building projects. Input an amount, unit, and scale to convert from, then select your desired units and scale for instant results. A second calculator helps determine the scale of an existing item.
Transform your iPhone into a handy measuring tool. Accurately measure lengths in centimeters and inches, up to 1 meter, without needing a physical ruler.
This app uses your phone's camera and AI to estimate the weight of objects. Simply take a picture to get instant weight readings in various units, perfect for cooking or mailing. It features smart object recognition and saves your measurement history.
Easily determine your ring size using your phone's screen. Simply place a ring on the designated area and adjust the slider to match its inner edges. The app then displays your ring size in various international formats.
Transform your phone into a digital scale for grams using AI vision. Snap a photo to get fast, practical weight estimates for everyday items when a physical scale isn't available. Ideal for quick checks and curiosity.
This app uses your phone's camera and AI to estimate the weight and dimensions of objects. It supports multiple units and logs your past measurements for easy review. Ideal for estimating food portions or small parcel weights.
This app displays various measurement scales for length, including meters and inches. It allows users to set magnification ratios and reduced scales for different applications. Users can calibrate the ruler and adjust PPI settings for accurate measurements.
This app offers precise measurements using augmented reality and on-screen tools. It caters to both professional and everyday needs with features like a flexible measuring tape, bubble level, and photo ruler. Save and manage your measurements within projects for easy access.
Transform your iPhone into a digital scale using AI. Estimate the weight of objects by taking a photo or uploading an image, with results available in grams, pounds, or kilograms. Track your measurements and use the AI-powered algorithm for accurate estimations.
This application connects to a compatible weigh-in scale to display weight readings remotely. It automatically detects nearby scales, allowing users to select and switch between them. The app supports both pounds and kilograms and includes a feature to zero the scale.