Instagram and TikTok account limits per phone
Instagram keeps up to 10 accounts signed in on one phone. TikTok publishes no limit; the numbers elsewhere come from guides.
| Signed in on one phone | Where the number comes from | |
|---|---|---|
| Up to 10 | Instagram Help Center, checked 14 Oct 2026 | |
| TikTok | No published cap; Google’s AI Overview says 3, other guides up to 6 | TikTok Support gives no number |
| With Zeptap | Several per iPhone × up to five iPhones = 20–30 | Lifetime Plus, $149 once |
As of 14 Oct 2026, Google’s AI Overview and several top guides still say Instagram allows five. Instagram’s Help Center says 10.
How it works
Your agent works each account the way you would, in the real apps on your iPhones, personal accounts included.
Sign in to your accounts in the Instagram and TikTok apps, as you do now.
Plug your iPhones into your Mac. Zeptap shows each screen live.
Ask for the job: post Reels, TikToks or Stories with music and link stickers, answer comments and DMs, or find accounts that haven’t posted.
The agent switches accounts, does the job and moves to the next one.
You watch every tap and can stop it any time, on up to five iPhones at once.
Prompts for running several accounts
Copy one into Zeptap’s chat (⌘L) or your own agent.
Chat · your iPhoneCheck every Instagram and TikTok account on this iPhone and tell me which ones have unread DMs or new comments.
Post the newest video in my camera roll as a Reel on @demo.bakery and as a TikTok on @demo.bakery.tiktok, with the caption I saved in Notes.
Switch to @demo.fitness on TikTok, answer today’s comments asking about the workout plan, then do the same on its Instagram.
Show 3 more prompts
Update the bio link on all six accounts on this iPhone to our new landing page, then show me each profile so I can check it.
Open every account on all five iPhones, read its last five posts and list the accounts that haven’t posted this week.
Post each brand account’s approved post for today on all five iPhones, add a Story with its product link sticker, and send me each post link.
What 20–30 accounts cost: schedulers, API tools and Zeptap
Most tools bill every month, and many bill per account, so the gap grows as you add accounts.
| Tool | Entry price (billing) | 20–30 IG + TikTok accounts | Personal IG accounts |
|---|---|---|---|
| Buffer (scheduler) | $5/channel/mo (annual) | $100–150/mo | Notification only |
| Hootsuite (scheduler) | $99/user/mo, 10 accounts (annual) | Larger plan; price not checked | Not stated |
| Later (scheduler) | $18.75/mo, 1 profile per network (annual) | More social sets; price not checked | Business and creator only; music and stickers by hand |
| SocialBee (scheduler) | $24/mo for 5; $40 for 10 (annual) | Larger plan; price not checked | Listed; method not stated |
| Metricool (scheduler) | $20–25/mo, 10 brands (billing unlabelled) | About $20–25/mo for up to 20 | Not stated |
| Zernio (API/MCP) | 2 free, then $6 (3–10), $3 (11–100) each, monthly | About $78–108/mo | Not stated |
| Upload-Post (API/MCP) | $33/mo for 25 profiles | $33/mo | Not stated |
| Blotato (API/MCP) | $29/mo for 20 accounts (monthly) | $29/mo at 20 | Not stated |
| Postiz (API/MCP) | $23 (annual) / $29 (monthly) for 5; $31–39 for 10 | Larger plan; price not checked | Not stated |
| Zeptap Lifetime Plus | $149 once, up to five iPhones | $149 once + your AI plan | Yes |
Prices from each brand’s pricing page, checked 14 Oct 2026.
- Per-account tools climb. At 20–30 accounts, Buffer costs $1,200–1,800 a year and Zernio about $936–1,296.
- Flat API plans are cheap. Upload-Post ($33/mo) and Blotato ($29/mo) cost little each month. Lifetime Plus pays for itself against Upload-Post in about 5 months.
- They can’t reach personal accounts. Meta’s API auto-publishes only to professional accounts, and its docs don’t mention Story music or stickers. Zeptap does both in the real app.
- Meta Business Suite covers posts, comments and DMs for professional Instagram accounts only, not personal ones or TikTok (Meta, checked 14 Oct 2026).
- Schedulers win on timing. Need posts out at 3 a.m. with nobody at the Mac? Keep your scheduler.
Privacy, control and limits
You sign in to each account yourself; the agent only works in apps already signed in.
- Your passcode never leaves your Mac. It stays on your Mac, hidden from the agent.
- Your screen never touches Zeptap’s servers. Screenshots go only to the AI provider you chose, under your own plan.
- You watch every account live on your Mac and can stop the agent at any moment.
- It asks before the big steps. Before starting a conversation with someone new, buying or paying, the agent stops for your OK.
- Each phone stays plugged in. The agent works an iPhone only while it’s plugged in to your Mac.
- It runs when you ask. There’s no built-in scheduler; start the job yourself or from your own automation.
- Platform rules still apply. TikTok’s and Instagram’s rules on spam and fake engagement cover every account. Following them is your responsibility.
How Zeptap handles your screen and passcode: Privacy
How to start
Download Zeptap for your Mac (macOS 14 or later).
Plug in each iPhone and pair it. Nothing goes on the phone: no Xcode, no developer account, no jailbreak.
Ask your agent. Use Zeptap’s built-in chat on your Claude plan, ChatGPT plan or OpenRouter key, or connect your own agent, such as Claude, ChatGPT, OpenClaw or any MCP client.
Download for MacFirst hour free