Why people look for a SimpleFIN alternative
SimpleFIN Bridge is a small, inexpensive, read-only bank data feed: $1.50 a month or $15 a year for up to 25 institutions. It does one job well. People start looking elsewhere for a few recurring reasons:
- They want to use it with an AI agent. SimpleFIN returns raw JSON from one endpoint. There is no official MCP server, so Claude or ChatGPT cannot use it without a wrapper you write or run.
- Daily data is too slow. SimpleFIN refreshes about once a day and expects 24 or fewer requests a day, which suits a nightly budget sync more than a conversation.
- They need more than accounts and transactions. The protocol has no categories, cleaned merchant names, or investment holdings.
- They would rather not maintain anything. Every layer on top of the feed is yours to build and keep working.
If none of those apply, SimpleFIN is probably still the right choice. Our SimpleFIN Bridge vs BankBridge comparison goes deeper on that trade-off.
What to look for
- Where the data ends up. An AI agent, a spreadsheet, or a budgeting app. This decides most of the choice.
- Freshness. Live on request, or a scheduled daily sync.
- Read-only guarantees. Whether anything in the chain can move money.
- What is stored, and where. A copy of your transactions on someone's server, or fetched on demand.
- Total cost at your bank count. Flat pricing favors many institutions; per-bank pricing favors one or two.
Comparison table
| Option | What you get | Price | Freshness | AI agent support |
|---|---|---|---|---|
| SimpleFIN Bridge | Raw account + transaction JSON | $15/yr, up to 25 institutions | About once a day | None built in; you write or run a wrapper |
| BankBridge | Hosted MCP server for AI agents | $5/mo or $50/yr per bank | Live on every call | Claude, ChatGPT, Cursor, Codex, Gemini CLI, and more |
| Tiller | Bank feeds into Google Sheets or Excel | $99/yr | Daily sheet refresh | Official Claude connector that reads the sheet |
| Monarch Money | Budgeting app with its own sync | Subscription (see its site) | App sync | Its own assistant, not yours |
| Copilot Money | Budgeting app for iPhone, iPad, Mac, and web | Subscription (see its site) | App sync | Its own assistant, not yours |
| YNAB | Budgeting method + app with bank import | Subscription (see its site) | App sync | No official MCP server |
| Your own build on a bank-data API | Whatever you write | Per-call or per-account fees, plus your time | Your choice | Whatever you build |
SimpleFIN Bridge and Tiller prices as listed on their sites, checked October 3, 2026. Budgeting-app prices change often; check each site.
BankBridge: for AI agents
BankBridge is a hosted MCP server that gives the agent you already use read-only access to your US bank, card, and brokerage accounts. It has 12 tools: accounts and balances, transactions, search, spending summaries, recurring charges, monthly cashflow, merchant history, categories, investment holdings, investment transactions, and connect_bank. Data is fetched live on every call and nothing is stored on BankBridge's servers.
Best for:asking Claude, ChatGPT, Cursor, or Codex questions like “what did I spend on groceries last month?” without writing code. Not for: people who want the cheapest raw feed, or banks outside the US. Price: $5 a month or $50 a year per connected bank. See how read-only access works and the setup docs for each agent.
Tiller: for spreadsheets
Tiller feeds bank transactions into Google Sheets or Excel on a schedule, with templates for budgets and reports. It is $99 a year after a 30-day trial. If you used SimpleFIN to build your own spreadsheet pipeline, Tiller is the off-the-shelf version.
Best for: people who think in spreadsheets. Trade-off:an AI agent only sees whatever is in the sheet, which refreshes daily. Tiller's own Claude connector reads that sheet. Our BankBridge vs Tiller comparison covers using both.
Monarch, Copilot, YNAB: for a budgeting app
If SimpleFIN was feeding a budgeting app and you are tired of running that app yourself, a hosted budgeting app with its own bank sync replaces both pieces.
Monarch Money
Web and mobile budgeting with shared household access. A common pick for couples. See BankBridge vs Monarch Money.
Copilot Money
A polished budgeting app for iPhone, iPad, Mac, and the web with automatic categorization. See BankBridge vs Copilot Money.
YNAB
A zero-based budgeting method with an app and bank import. Best if you want the method, not just the data. See BankBridge vs YNAB.
All three keep you inside their app and their assistant. None currently offers an official way to point Claude or ChatGPT at your accounts (Monarch built an MCP connector but has paused it since June 29, 2026), which is the gap BankBridge fills.
Build on a bank-data API
Developers can sign up with a bank-data aggregator directly and write their own server. You get full control, and you take on the provider's account limits or fees, token storage, categorization, and hosting. For agent use you also write the MCP layer and, for remote hosts like ChatGPT, an OAuth 2.1 server.
What building your own bank MCP server involves lists the full build.
Pick by use case
| Your situation | Pick |
|---|---|
| You want Claude or ChatGPT to answer questions about your real accounts | BankBridge |
| You want the cheapest feed and enjoy building | Stay on SimpleFIN |
| You live in spreadsheets | Tiller |
| You want one app that budgets for you | Monarch Money, Copilot Money, or YNAB |
| You are shipping a product to other people | A bank-data API under your own developer account |
If the agent route fits, connect your first bank and ask your agent to list your accounts. It takes a few minutes.