BidRover vs Periscope S2G
Periscope S2G (SOVRA (formerly mdf commerce)): Bid notifications from agencies on Periscope eProcurement and beyond, with a free limited tier and monthly or annual plans. Here is how it compares with BidRover on coverage, price, free access, AI and agent support, and when each is the better pick.
Facts checked
At a glance
Facts about Periscope S2G come from the sources listed at the bottom of this page, checked October 21, 2026. Prices from third parties are marked "reported"; vendors may quote differently.
| BidRover | Periscope S2G | |
|---|---|---|
| Coverage focus | State, local and international bids from 137 official sources: state and city portals in 47 U.S. states and D.C., national portals abroad (23 countries in all), development banks and UN agencies, plus SAM.gov and Grants.gov. | U.S. state and local bids. The free tier covers agencies that use Periscope's eProcurement software; paid plans widen coverage, with add-ons for federal, military and Canada.[1] |
| Pricing | Published: Team is $19 a month or $180 a year for three people (owner plus two teammates). | Published: S2G Limited free; Premium State, Regional and National at $109, $131 and $274 a month billed monthly, or $779, $911 and $1,571 billed annually.[1][2] |
| Free tier | Yes: browse every open bid (title, category, region, deadline date) and search it from an AI agent, with no card. | Yes: S2G Limited, for bids from agencies on Periscope eProcurement.[1] |
| Free trial | 7-day Team trial; a card is required. | A free trial is listed by Capterra; length not published.[2] |
| AI features | Match scores with reasons, bid/no-bid summaries, extracted requirements and Rover, an AI assistant inside each bid (Team). | Bid matching based on your searches; no generative AI features advertised.[3] |
| API / MCP for AI agents | Yes: an MCP server for Claude, ChatGPT and Cursor. Search works on the free plan; matches, details and pipeline on Team. | No public API or MCP server advertised.[1] |
Where Periscope S2G is strong
Who should pick which
Pick Periscope S2G if
- Your buyers run Periscope eProcurement and you respond through it.
- You want broader U.S. coverage from the same company that runs those buyer systems.
Pick BidRover if
- You want state, local and international bids from official portals at $19 a month for three people, below Periscope's state-level monthly plan.
- You want an AI assistant and match scores, or want Claude or ChatGPT to search bids through MCP.
Some teams use both: a network like Periscope S2G for the buyers that post there, and BidRover to watch official portals everywhere else.
More comparisons
Questions
How much does Periscope S2G cost?
Periscope publishes a free Limited plan and Premium plans at $109 (state), $131 (regional) and $274 (national) a month billed monthly, or $779, $911 and $1,571 billed annually.
Is Periscope S2G the same as BidSync?
Periscope acquired BidSync in 2014 and its supplier product became Periscope S2G. Periscope is now part of SOVRA.
How is BidRover different from Periscope S2G?
BidRover reads many official portals, including international ones, rather than a single buyer network, and adds AI matching, the Rover assistant and an MCP server at $19 a month.