241+ iOS apps curated and reviewed
The best the number line apps on iPhone average 4.5★ across 241+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free was $0.99 | 5.0★ (1) | No | No | Aug 2026 |
| 2 |  | Free | 5.0★ (4) | No | No | Jul 2026 |
| 3 |  | Free | 4.7★ (44K) | No | No | Aug 2026 |
| 4 |  | Free | 5.0★ (1) | No | No | May 2026 |
| 5 |  | Free | 4.6★ (361) | Yes | Yes | Aug 2026 |
| 6 |  | Free | 3.0★ (665) | No | No | Jul 2026 |
| 7 |  | Free | 4.8★ (2.6K) | No | Yes | Aug 2026 |
| 8 |  | Free | 4.6★ (1.9K) | Yes | Yes | Aug 2026 |
This app allows users to visualize numbers on a number line and calculate the absolute difference between two numbers. It functions offline, making it accessible anytime and anywhere. Designed for ease of use and speed, it aims to be a go-to math tool.
This app provides an interactive number line for educational purposes, enabling users to visualize numbers, perform various math games, and practice rounding. Its simple interface supports zooming, swiping, and marking numbers with pins or freehand drawing.
Get a dedicated second phone number for your business to maintain privacy and professionalism. This app ensures calls are business-related, offers a spam filter, custom voicemail, and voicemail-to-text transcription. Manage your business communications efficiently with organized history and timely notifications.
This interactive tool helps young children aged 3-8 explore numbers and basic arithmetic. It provides an unlimited, zoomable number line for hands-on learning and visualizing calculations. The app encourages number sense development through play and manipulation.
Obtain a private, secure second phone number for calls and texts. Easily separate personal and professional life, communicate globally with low rates, and enjoy features like voicemail and caller ID. Cancel anytime with flexible plans.
This educational game helps students master fractions, decimals, and percents. Players order equivalent values on a number line by dragging and dropping circles. It offers multiple levels and scores based on speed and accuracy.
Get a private and secure virtual phone number for calls and texts without needing a new SIM card. Manage multiple lines with unique settings, voicemail, and call recording. Ideal for travelers, expats, and anyone needing to keep their primary number private.
Get a separate US or Canada phone number for calls and texts without a SIM card. Protect your privacy for online shopping, dating, or public service interactions. Features include app lock, voicemail, and contact management.
Obtain a secondary phone number for private calls and texts. Ideal for online dating, selling items, travel, and more, it offers numbers from various area codes without needing a new SIM card. Enjoy features like voicemail and internet calling with flexible plans.
Obtain a secure, private virtual second phone number for calls, texts, and online verifications. Protect your personal number while managing separate lines for dating, shopping, work, or short-term projects. Enjoy sim-free calling and organized communication.
Obtain a secondary U.S. or Canadian phone number for calls and texts without needing an extra SIM card. Protect your personal number while communicating for various needs, including business, dating, or side projects. Manage multiple numbers easily and enjoy affordable international communication.
Get a second phone number for calls and texts without needing a new SIM or device. This app provides real US, Canada, and Finland numbers for privacy, business, or personal use. Enjoy features like voicemail, call recording, and international calling.
Get a private second phone number for personal and business use without needing an extra SIM card. Make calls and send texts internationally at no extra cost. Ideal for travel, online marketplaces, and managing multiple contacts.
Connect with friends and family through free voice and video calls, messages, and a wide array of stickers and themes. This communication platform offers a seamless experience across mobile, desktop, and smartwatches, with enhanced privacy features and content discovery options.
Discover and listen to a vast library of podcasts that entertain, inform, and inspire. Get personalized recommendations and curated collections to explore new shows. Seamlessly sync your listening progress across all your Apple devices.
Obtain a secondary phone number for calls and texts without a new SIM card. This app provides a private line for business or personal use, masking your primary number. It offers flexible subscription or one-time purchase options with included credits.
Obtain a secondary phone number instantly for private calls, texts, and online registrations. Protect your personal number from spam and receive verification codes for apps like WhatsApp and dating services. Enjoy international calling and texting without a physical SIM card.
This app provides a private second phone number for calls and texts without needing an extra SIM card. It offers unlimited texting and calling, custom numbers for various uses, and cost-effective international communication. Protect your privacy and manage multiple lines easily on your iOS device.
Get a second phone number for calls and texts without a physical SIM card. Keep your personal number private for business, online privacy, or travel. Enjoy flexible plans and high-quality VoIP calls over Wi-Fi or mobile data.