Head to head · Personal transactions · October 2026 research run
Plum vs Snoop
Plum and Snoop score within a point of each other on agent readiness, 27.4 (F) and 26.7 (F). Snoop leads on security & auth. Both do personal transactions.
Best subscription, bill and budgeting tools for AI agents · All 43 personal finance comparisons
Which one, for what
Plum F
Best for UK and European users who want saving and investing automated from their spending.
Ahead on
- Schema & documentation, 10 against 0
Watch for
No public API or MCP server an outside agent can call.
Snoop F
Best for UK users who want bills and subscriptions watched and savings suggested at no cost.
Ahead on
- Security & auth, 6 against 0
Watch for
No public API or MCP server an outside agent can call.
Score by category
| Category | Weight this run | Plum | Snoop | Edge |
|---|---|---|---|---|
| Reliability | 16%20 | 60 | 60 | even |
| Performance | 10%pending | pending | pending | not scored in this run |
| Schema & documentation | 13%16.2 | 10 | 0 | Plum +10 |
| Agent ergonomics | 13%16.2 | 0 | 0 | even |
| Security & auth | 14%17.5 | 0 | 6 | Snoop +6 |
| Payments & pricing | 10%12.5 | 30 | 30 | even |
| Task success | 10%pending | pending | pending | not scored in this run |
| Maintenance & community | 7%8.8 | 56 | 55 | Plum +1 |
| Transparency & trust | 7%8.8 | 58 | 58 | even |
| Negative events | ≤15 | 0 | 0 | |
| Total | F 27.4/100 | F 26.7/100 |
Facts side by side
| Fact | Plum | Snoop |
|---|---|---|
| Kind | Platform | Platform |
| Vendor | Plum Fintech Limited | Usnoop Limited |
| Hosted endpoint | no (local only) | no (local only) |
| Transports | ||
| Auth | OAuth or key | OAuth or key |
| Pricing | Freemium | Freemium |
| x402 | no | no |
| Licence | Closed service under Plum's terms (Plum Fintech Limited and Saveable Limited) | Closed service under Snoop's terms and conditions (Usnoop Limited) |
| Read-only variant documented | no | no |
| llms.txt | yes | no |
| Last release | 2026-10-12 | 2026-09-30 |
| Terms last updated | 2026-07-15 | no date given |
| Privacy policy last updated | no date given | no date given |
| Customer content may train models | not found in the text | not found in the text |
| Terms restrict automated access | not found in the text | not found in the text |
| Terms restrict benchmarking | not found in the text | not found in the text |
| Terms or service can change without notice | yes | not found in the text |
| Arbitration or class-action waiver | not found in the text | not found in the text |
Verdicts
Plum
Plum automates saving and investing for UK and European users from their bank data, with a free tier, public prices, a status page and weekly iOS releases. There is no public API or MCP server an outside agent can call, and its AI tools run only inside the app. No security contact was found.
Snoop
Snoop is a free UK app that tracks bills, subscriptions and spending through Open Banking, with a status page, a disclosure policy and named processors with data locations. There is no public API or MCP server an outside agent can call; the only route offered is a partnerships email for commercial and data partnerships.
Before you call either
Plum
- Don't plan to call Plum from another agent. Hand the task to the person in the Plum app.
- Plum moves real money between accounts and investments, so leave any change to automations or withdrawals to the person.
Snoop
- Don't plan to call Snoop from another agent. Hand the task to the person in the Snoop app.
- For a business data arrangement, the route is partnerships@snoop.app, not an API.
Questions
Which is better for AI agents, Plum or Snoop?
Plum and Snoop score within a point of each other on agent readiness, 27.4 (F) and 26.7 (F). Snoop leads on security & auth.
Other comparisons with Plum or Snoop
Machine-readable
- This page as Markdown
/compare/plum-vs-snoop.md· slim.min.md· JSON.json(or sendAccept: text/markdown) - Each listing in full
/api/v1/tools/plum.json·/api/v1/tools/snoop.json - From a terminal
anchor compare plum snoop(the CLI) - Over MCP
compare_tools {"a": "plum", "b": "snoop"}at/mcp, no key