8 Best Security Apps for iPhone of 2026

Bitdefender Mobile Security for iOS ranks first because it does the job an iPhone security app can actually do, and does it across the whole phone. Its Web Protection filters traffic from every app, so a phishing link opened inside a messaging or email app is checked the same way as one opened in Safari. A device scan points out settings that leave the phone exposed, an account check tells you if your email has turned up in a breach, and a usage view shows traffic categories and the incidents the app has blocked. The included Bitdefender VPN gives 200 MB a day, about 6 GB a month, which covers logins and email on hotel or cafe Wi-Fi but not streaming. The first year costs $17.99 for one member, and the same subscription covers an Android phone too. It needs iOS 15 or later, and heavy VPN users will need the paid Premium VPN add-on.

Norton Mobile Security for iOS is the most scam-focused app here. Its Scam Protection uses AI to spot scams in text messages, Safe SMS filters spam texts that may carry phishing links, and the built-in Norton Genie assistant gives advice on a suspicious message when you ask. Safe Web extends link checking beyond the browser to apps, SMS, MMS, email and social networks. Wi-Fi Security alerts you when a network you join looks dangerous or under attack, and Suspicious Network Detection shows unsafe networks nearby. Two smaller tools stand out: Device Security tells you when your iOS version has vulnerabilities, and Secure Calendar flags the spam calendar invites with risky links that iPhone owners often receive. A Device Report Card summarizes 30 days of scanned networks, sites and risks. What it lacks is a VPN; Norton says you need Norton Mobile Security + VPN or Norton 360 for Mobile for that. The first year costs $29.99 for one device.

Avast One Mobile is the strongest free option for an iPhone. Web Guard blocks fake and malicious sites automatically, Avast Assistant gives AI-powered advice when you paste in a message or link you are not sure about, and a Wi-Fi check tells you whether a network looks safe before you join it. Hack Alerts watch for passwords linked to your email address appearing in data leaks, and Photo Vault locks up to 40 photos behind a PIN, Touch ID or Face ID. Avast is candid about what iOS allows: its own page says no third-party antivirus is possible on iOS and describes Smart Scan as a check of the device's most exposed areas rather than a virus scan. Upgrading to Premium inside the app adds scam SMS and call blocking with call labeling, breach monitoring for up to 5 email addresses, an unlimited Photo Vault and a VPN. Premium prices are shown in the app rather than on the US website, so we could not verify them.

Malwarebytes Mobile Security for iOS is built around the scams that actually reach iPhones: texts and calls. Text Protection detects fake texts, phishing links, malicious sites and ad trackers, while spam call filtering, robocall detection and caller screening handle the phone side. Scam Guard is an AI chat where you can upload a suspicious text, link or screenshot and get advice before you act. The app also runs a Digital Footprint Scan and sends data breach notifications. Malwarebytes uses WireGuard for its VPN and lists unrestricted data, but on the pricing page the VPN sits in the Plus plan at $79.99 a year rather than in Standard. Standard starts at $59.99 a year and covers 3 devices across Windows, Mac, Android and iOS, which makes it better value for a household than for one phone. iPad owners get web protection and ad blocking through a free Safari extension.

F-Secure Total is a full suite rather than a phone-only app, and it runs on iPhones and iPads alongside Windows, Mac and Android. Scam Protection uses AI to block SMS scams, alerts you to unsafe Wi-Fi, and blocks ads and cookie prompts that often hide scams. Banking Protection confirms that a banking site is safe and secures the connection, Shopping Protection rates the trustworthiness of online stores, and Browsing Protection blocks dangerous pages. An unlimited VPN, ID monitoring with breach alerts and a password vault with autofill round it out, and Scam Scanner can check a screenshot, though it is in beta and English only. The selling point is pricing: F-Secure says renewal costs the same as the new customer price, $69.99 a year for 1 device, $79.99 for 3 and $84.99 for 5. F-Secure's mobile app is moving to the name Kiren by F-Secure, and finding a lost phone now hands off to Apple's Find My.

Aura is an identity protection service first and a phone security app second, which is why it suits a different buyer from the rest of this list. The Individual plan covers 1 adult and 10 devices and includes $1M identity theft insurance, 3-bureau credit monitoring, Instant Credit Lock, home and auto title monitoring and financial transaction alerts. On the device side, Aura lists antivirus, a VPN, a password manager and Safe Browsing, which stops you from entering scam or phishing websites, plus spam call protection. It also requests removal of your data from more than 425 data brokers, people search sites and junk-mailers. That breadth costs more: $12 a month billed annually, or $15 billed month to month, with a 14-day free trial and a 60-day money-back guarantee on annual plans. Aura lists antivirus at plan level, and iOS does not allow app scanning, so the iPhone value comes from safe browsing, VPN and alerts.

Avira Mobile Security for iOS gives away more utilities than any other free app here, though its phishing protection sits behind a paywall. The free app includes a VPN with 100 MB per day, a call blocker for numbers you never want to hear from, and anti-theft tools that let you locate a lost iPhone on a map or sound an alarm from Avira's online dashboard. A network scanner lists every device on your home Wi-Fi, a privacy manager can stop Siri data being sent, and there are contact backup, an iOS updater and a photo cleaner. Like Avast, Avira explains on its own page that iOS sandboxing makes classic antivirus impossible on iPhones. Web protection against phishing sites and a breach monitor require Avira Mobile Security Pro, and an unlimited VPN plus a premium password manager need Avira Prime Mobile. Avira does not show those prices on its page, so we list them as pending. It supports iOS 11 and later.

Trend Micro Mobile Security for iOS covers the basics without much beyond them. It automatically blocks potentially harmful websites while you browse, blocks ads and personal information trackers, warns you away from unsafe Wi-Fi networks and helps you keep mobile data use in check. Site checks rely on Trend Micro's cloud-based Smart Protection Network. The easiest way to buy it is through Trend Micro Maximum Security, which covers 5 devices across Windows, Mac, Android, iOS and Chromebook for $74.95 in the first year, with $104.95 listed as the regular price. That makes sense for a household that already runs Trend Micro on a laptop, but a single iPhone owner gets more scam-specific tools for less from Bitdefender or Norton. Trend Micro sells a separate app, ScamCheck, for scam and spam protection on iOS, so people who mainly want message filtering may prefer that instead of the full suite.