189+ iOS apps curated and reviewed
Every iPhone needs a few good free phone level app. We benchmark 189+ 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 | 4.8★ (16K) | No | Yes | Aug 2026 |
| 2 |  | Free | 4.7★ (6.3K) | Yes | No | Aug 2026 |
| 3 |  | Free | 4.6★ (112K) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 4.8★ (187) | Yes | No | Jul 2026 |
| 5 |  | Free | 4.7★ (668K) | Yes | Yes | Aug 2026 |
| 6 |  | Free | 4.6★ (272K) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 4.6★ (30K) | No | Yes | Aug 2026 |
| 8 |  | Free | 4.6★ (12K) | Yes | Yes | Aug 2026 |
This app provides a precise spirit level using your smartphone's sensors. It helps you align objects horizontally, vertically, or at any angle, making it ideal for DIY projects and handyman tasks. Premium features offer augmented reality and advanced measurement capabilities.
Transform your smartphone into a versatile bubble level tool. It offers multiple viewing options, displays angles and slopes in percentages or roof pitch, and includes sound effects and orientation locking for precise measurements.
This app offers a suite of measurement and detection tools, including a bubble level for alignment, angle measurement, surface flatness checks, and metal detection. It also features an AR ruler for distance measurement and an inclinometer for off-road navigation.
This tool helps you determine if objects are straight and level. It displays angles on your phone and can use AR for precise measurements on walls and paintings. Ideal for home tasks like hanging pictures or ensuring shelves are flat.
This app provides a free second phone number for calling and texting within the US and Canada. Protect your privacy, use it for side projects, or connect with international friends at low costs. It offers features like voicemail and the ability to turn tablets into phones.
Get a free US phone number for unlimited texting and calling over WiFi or data. Save money on mobile plans by using this app to connect with friends and family globally. Offers inexpensive outbound calls and can turn tablets into phones.
Obtain a real US phone number to make calls and send texts. Separate your personal and work life with a dedicated second number. Supports picture messaging and voicemail.
This app offers free unlimited WiFi calling and texting, allowing you to make calls and send messages without using your cellular minutes. It provides a real US phone number and enables cheap or free international calls and SMS to over 230 countries, with high-quality voice transmission.
Get a free, personalized local phone number for unlimited calling and texting. Share photos, videos, GIFs, and more. Customize tones and wallpapers for a unique experience. Upgrade for ad-free use and verification codes.
This app provides free wireless phone service, including a smartphone and monthly plan with unlimited talk, text, and data. Manage your account, check usage, purchase extra data, and activate international calling. Refer friends to earn rewards and shop for new devices and accessories.
This app provides free nationwide calling and texting, offering a private second phone number or a dedicated business line. It features flexible data plans, including a free option for select apps, and affordable international calling.
Monitor blood oxygen levels and heart rate using your phone's camera or by syncing with your Apple Watch. Track vital signs, share data with your doctor, and access curated health articles. Includes breathing exercises and sleep reports.
This free app measures sound levels and noise exposure using your smartphone. Developed by acoustics experts, it provides professional-grade metrics and guidance on hearing protection and noise prevention.
Identify unknown callers by performing reverse phone number lookups. Enter a number to find the associated name or location. Supports US/CA numbers and allows users to report spam to improve accuracy.
Obtain a dedicated phone number for calls and texts, enhancing privacy by not sharing personal information. Enjoy cost-effective communication over WiFi or cellular data, avoiding roaming fees. Experience VoIP calling with free trial options.
This app is a versatile toolkit that consolidates numerous essential utilities into a single, convenient application. It offers tools for currency conversion, date calculations, loan analysis, health tracking, and more, all within a user-friendly interface.
This utility app provides a bright and fast flashlight with adjustable LED brightness. It also includes an always-on compass and a mini-map for navigation in the dark. Additional features include strobe modes and an SOS signal.
This utility app functions as a digital bubble level, angle meter, and tilt meter. It helps users align picture frames, measure slopes, and assist with home decoration. Calibration instructions are provided for accurate measurements.
This utility app uses your phone's sensors to provide precise leveling and plumb measurements. It features three vials for plumb, level, and 45° angles, with an option to overlay readings on your camera view. Calibration is available to ensure accuracy.
Measure and analyze the sound pressure around you with this app. It provides spectrum frequency analysis and allows you to compare your recordings to a reference chart. Save your measurement history for future reference.