Both give your agent a phone over MCP. On a real iPhone, mobile-mcp needs a signed WebDriverAgent and Developer Mode. Zeptap needs a USB cable and Bluetooth.
| Feature | Zeptap | mobile-mcp |
|---|---|---|
| Real iPhone setup | Plug in, pair Bluetooth | Xcode, sign WebDriverAgent |
| Developer Mode on the iPhone | Stays off | Required |
| Apple Developer account | Not needed | Needed to sign WebDriverAgent |
| Re-signing | Never | Every 7 days on a free Apple ID |
| iOS Simulator and Android | No, real iPhones only | Yes |
| How it sees the app | Screenshots and on-device text recognition | Screenshots and the accessibility tree |
| Unlocks the phone | Yes, optional, passcode kept in your Keychain | No |
| Runs locally | Yes, MCP on 127.0.0.1 only | Yes |
| Price | $99 once or $25 a month | Free and open source |
mobile-mcp is a good MCP server, and on the iOS Simulator it's hard to beat. On a real iPhone it drives the phone through WebDriverAgent, which means Xcode, a developer team to sign it and Developer Mode on the phone, which Apple warns lowers its security. Fine for a test device, less so for the phone with your accounts on it. Zeptap skips all of it: the only step on the phone is Bluetooth pairing.
If you let it, Zeptap unlocks the iPhone itself. The passcode stays in your Mac's Keychain, agents never see it, and each unlock makes a single attempt so a wrong code can't lock you out. The phone doesn't have to sit awake all day.
Every Zeptap action returns a screenshot taken once the screen stops moving, so the agent isn't reasoning about half an animation. tap_text and find_text read labels with on-device OCR, which works in apps that expose little to accessibility.
Settings has one-click connectors for Claude Code, Claude Desktop, Codex, Cursor, Hermes and OpenClaw. There's also a built-in chat that runs Claude Code or Codex on your own subscription, so you can hand off a task without opening a terminal.
If you work mostly on the iOS Simulator or Android emulators, already have Xcode and a developer account, or want the accessibility tree rather than screenshots, mobile-mcp is free and does that well. Pick Zeptap when you want a real iPhone with your real apps and accounts and no developer setup.
The docs go deeper, and they're written for agents to read too.
No. Zeptap is a paid Mac app: $99 once or $25 a month, with the first hour of live use free. One license covers 3 Macs and 3 iPhones.
No. Zeptap drives real, physical iPhones only. For simulators and Android emulators, an open-source MCP server like mobile-mcp is the better fit.
Anything that speaks MCP. Claude Code, Claude Desktop, Codex, Cursor, Hermes and OpenClaw connect in one click, and anything else can point at http://127.0.0.1:47801/mcp.