Comparison
MentorStack vs Mentorloop
Mentorloop charges a flat monthly fee and MentorStack charges per seat, so program size decides which costs less.
Mentorloop is better for large programs of roughly 50 people or more, where its flat monthly fee beats per-participant pricing, and for associations running member mentoring. MentorStack is better for employers with smaller programs, because the Free Pilot covers up to 10 participants and pricing then scales with actual adoption rather than a monthly floor.
Mentorloop is an Australian-founded mentoring platform serving companies, universities, and professional associations. It publishes a flat monthly price rather than a per-participant one, which makes it notably cheap once a program passes about 50 participants.
Mentorloop is the better choice for: Large programs where a flat monthly fee beats per-participant pricing, and associations running member mentoring.
Side by side
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| Feature | MentorStack | Mentorloop |
|---|---|---|
| Published pricing | Yes: $12/participant/mo, $10.20 annualized | Yes: Pro from $299/mo, Enterprise on request |
| Pricing model | Per participant | Flat monthly fee |
| Cost at 100 participants | $1,200/mo at Starter list price | From $299/mo on Pro |
| Free tier | Up to 10 participants, no time limit, no card | Build a program free, no card. Limits not published |
| Self-serve signup | Yes, launch without talking to sales | Yes on Pro, sales-led on Enterprise |
| AI matching | 5-dimension matching: skills, goals, seniority, availability, cross-functional fit (fifth on Growth and above) | Smart matching on Pro, customized algorithm on Enterprise |
| MCP server for AI assistants | Native MCP server; report, DEI, and org-skill tools need a paid plan | Not publicly listed |
| HRIS integration | BambooHR validated; Workday and SAP SuccessFactors adapters are available for validation with your tenant | Workday and BambooHR on Enterprise |
| SSO / SAML | Yes | Enterprise plan |
Mentorloop figures were taken from their public pages and third-party software listings and were checked on 4 October 2026. Cells reading “Not publicly listed” mean we could not find a published answer, not that the feature is absent. If anything here is out of date, tell us and we will correct it.
Pick Mentorloop if
- Your program is larger than about 50 people and a flat monthly fee is meaningfully cheaper than per-participant pricing.
- You run member mentoring for an association or a university rather than an internal employee program.
- You want an established vendor with a long track record in mentoring specifically.
Pick MentorStack if
- You already run a mentoring pilot or program by hand and it is reaching the limit of what one coordinator can carry.
- You want mentoring data queryable from Claude or another MCP-compatible AI assistant, on any plan.
- Your program is small enough that the Free Pilot for up to 10 participants covers the pilot outright.
- You want per-participant pricing that starts at zero and scales with actual adoption rather than a monthly floor.
Common questions
- Is MentorStack cheaper than Mentorloop?
- MentorStack is usually cheaper below about 25 participants and is free up to 10, but Mentorloop’s flat fee wins at scale. Their Pro plan starts from $299 per month, while MentorStack’s Starter plan at $12 per participant reaches $1,200 per month at 100 participants. If cost per participant at scale decides it, Mentorloop is cheaper.
- How much does Mentorloop cost?
- Mentorloop publishes a Pro plan starting from $299 per month and an Enterprise plan priced on request. They also offer a free way to build a program with no credit card, though the participant limits on that are not published.
- What is the best Mentorloop alternative?
- The best Mentorloop alternative depends on what is pushing you to look. If you want mentoring data reachable from Claude or another AI assistant, MentorStack ships a native MCP server on every plan, though report, DEI, and org-skill tools need a paid plan. If you want a lower bill for several hundred people, a flat fee beats any per-participant platform.
- Can I try MentorStack before switching from Mentorloop?
- You can try MentorStack before switching from Mentorloop through the Free Pilot, which covers up to 10 participants with no time limit and no credit card. That is enough to run a real pilot cohort alongside your existing program and compare the two before you commit to a change.
What does Mentorloop cost?
Mentorloop publishes a starting price for Pro and quotes Enterprise.
- Pro: starting from $299 a month.
- Enterprise: contact sales. It lists 1-1 support by mentoring experts, SSO and integrations, and a bespoke matching algorithm.
- Its pricing page says you can build a program for free with no credit card. Participant limits: not published.
For comparison, MentorStack’s Free Pilot covers up to 10 participants. Starter is $12 per seat a month ($10.20 billed annually) and Growth is $20 ($17 billed annually).
Source: Mentorloop pricing, checked 2026-10-12. Vendors change plans and prices, so confirm with them before you buy.
Sources checked
- Mentorloop pricing (https://mentorloop.com/pricing), checked 2026-10-12.
- Mentorloop home page (https://mentorloop.com/), checked 2026-10-12.
Other comparisons
Try MentorStack alongside Mentorloop
Start a Free Pilot with up to 10 participants. Scale when you're ready.
Free for up to 10 participants. No credit card, no sales call. SSO (SAML) on Growth and above.