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iPhone Burner / Second Phone Number — Best Apps (2026)

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🆓 Option 1: Google Voice (Free, Best for Most)

Pros

• Completely free
• Real US phone number from Google
• Voicemail transcription
• SMS + calling from iPhone app
• Works on Wi-Fi (no cellular needed)
• Integrates with Gmail
• Works across multiple devices

Cons

• Requires a real phone number to sign up (tied to your identity)
• Some services don't accept Google Voice numbers (banks, some sign-ups)
• Google can read your messages (privacy concern)
• Setup requires Google account + verification

Setup

1. voice.google.com → sign in with Google account
2. Choose number from available pool (pick area code)
3. Verify with real phone number (one-time)
4. Install Google Voice app on iPhone
5. Start receiving calls/SMS

Best for:

• Side businesses
• Dating apps you don't want long-term
• Selling on Craigslist / Facebook Marketplace
• Bot prevention secondary number

🔒 Option 2: Hush / Hushed / Burner (Privacy-Focused Apps)

Pros

• Anonymous sign-up (no phone number required for some)
• Numbers can be temporary (use 7 days, throw away)
• Better privacy than Google Voice
• Multiple numbers per account possible
• Burn the number when done

Cons

• Monthly subscription (a few dollars to ~$10/mo per number)
• Lower-quality numbers (services sometimes block them)
• App-only (no native iPhone integration)
• Limited international support

Best for:

• Dating before trust established
• One-off needs (rental viewings, repair quotes)
• Tradesperson contact during home sale
• Maximum privacy / anonymity
• Frequent number rotation

📲 Option 3: Second eSIM Line (Most Reliable)

iPhones support 2 active eSIMs simultaneously. Add a true second cellular line:

Carrier options for cheap second line

• Mint Mobile — $15/mo basic plan, T-Mobile network
• US Mobile — $10-15/mo, choice of Verizon or T-Mobile network
• Tello — $10/mo
• Visible — $25/mo unlimited (Verizon network)
• Google Fi — flexible plan, $20/mo + data

Pros

• Real cellular number (every service accepts)
• Works without internet
• Native iPhone integration (separate line in Phone app)
• SMS, MMS, calling all native
• Apple Watch can show + use second line
• Permanent number (not throwaway)

Cons

• Monthly cost ($10-25/mo)
• Tied to your identity (carrier requires payment info)
• Less privacy than burner apps

Best for:

• Side business with consistent customers
• Permanent separation of work + personal
• Real estate agents (don't want personal number public)
• Anyone with public-facing role

🎯 Decision Tree

You want a free option, OK with Google having data → Google Voice

You want max privacy + temporary use → Hush / Burner app

You need a permanent business line → Second eSIM (Mint/US Mobile)

You need international second number → Airalo eSIM (travel guide separate)

💼 Side Business Use Case

Most common reason for second number: side business / freelance work.

Recommended setup:

1. Get Google Voice number with appropriate area code
2. Use Google Voice for all client SMS/calls
3. Personal iPhone receives Google Voice via app
4. Voicemail auto-transcribes to email for triage
5. When stopping side business, turn off the number — done

💔 Going Through Separation Use Case

If leaving a relationship and partner has access to your phone history:

1. Get an eSIM second line OR Google Voice number
2. Use for confidential calls (lawyer, friends, support)
3. Personal Safety Check feature (Settings → Privacy → Safety Check) audits who has access to your accounts
4. Apple's Personal Safety Guide is mandatory reading

📱 Apple's Built-In Apple ID Hide My Email

For EMAIL second-address (not phone), Apple's "Hide My Email" via iCloud+:

• Settings → Apple ID → iCloud → Hide My Email
• Generates anonymous @icloud.com addresses
• Forwards to your real email
• Disable any time without affecting real email
• Use for: services that might spam, dating sites, one-off signups

🆚 What About Buying a Cheap Second iPhone?

Some users buy a cheap iPhone (refurb iPhone SE or 14e) + prepaid SIM. Pros:

• Fully separate device for work vs personal
• Different cellular plan, different number, different Apple ID
• Can hand over to repair/tech help without sharing personal data

Cons: another device to carry, charge, lose. Most people prefer dual-eSIM single-iPhone.

⚠️ Things to Know About Burner Numbers

Burner number limitations:

• Many banks REQUIRE real cellular for 2FA (won't accept Google Voice or Hush numbers)
• Some apps detect VOIP numbers and reject
• iMessage uses your real Apple ID number — burner doesn't extend to iMessage
• Burner SMS goes through provider servers (not end-to-end encrypted like iMessage)
• Police can subpoena burner provider for records (not 100% anonymous)

📊 Managing Multiple Numbers on iPhone

Tips for sanity:

• Label each line clearly in Settings → Cellular ("Personal," "Work")
• Set default outgoing line per contact (work contacts default to work line)
• Different ringtones per line (instantly know which is which)
• Different Focus modes auto-route by line (Work Focus = work line only)
• Apple Watch can mirror selected line

📦 Second Number Setup Service

Setting up Google Voice, second eSIM line, Hide My Email, Apple Personal Safety Check — mail-in setup available.

→ Mail-In Privacy Setup