Mattermost vs Tandem: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Mattermost and Tandem side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Mattermost leads on lower entry price; Tandem leads on higher user rating. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Mattermost
Open-source team collaboration platform
Best for you if:
- • You want open source Slack alternative
Tandem
Virtual office for remote teams
Best for you if:
- • You want virtual office concept
| At a Glance | Mattermost | Tandem |
|---|---|---|
Starts at | Free plan, paid from $10/user/mo, billed monthly Professional plan | Free plan, paid from $13.99/mo, billed monthly Pro plan |
Category | Communication Team Chat | Communication Team Chat |
Rating | 4.3/5 G2 4.3 · Capterra 4.4 · SourceForge 4.3 604 reviews | 4.8/5 Capterra 4.8 · G2 4.8 89 reviews |
Free plan | Yes | Yes |
Choose Mattermost or Tandem?
Choose Mattermost if
- You want open source Slack alternative
- You want self-hostable
- Budget matters ($10/user/mo, billed monthly vs $13.99/mo, billed monthly)
Choose Tandem if
- You want virtual office concept
- You want quick connections
In-Depth Analysis
Mattermost
Open-source team collaboration platform
Mattermost's pricing is fair, offering a generous Free tier for small teams.
Strengths
- Pro: Open source Slack alternative
- Pro: Self-hostable
- Pro: Good for compliance
- Pro: No per-user cloud cost
- Pro: Customizable
Weaknesses
- Con: Less polished than Slack
- Con: Smaller integration library
- Con: Self-hosting required for best value
- Con: Learning curve
- Con: Community smaller
Key features
Tandem
Virtual office for remote teams
Tandem's pricing is quite generous with a robust free tier for casual language learners.
Strengths
- Pro: Virtual office concept
- Pro: Quick connections
- Pro: Good presence awareness
- Pro: Slack integration
- Pro: Low friction
Weaknesses
- Con: Smaller user base
- Con: Limited features
- Con: Privacy concerns
- Con: Resource usage
- Con: Niche product
Key features
Plans and prices: Mattermost vs Tandem
| Tool | Plans and prices | Source |
|---|---|---|
| Mattermost |
| mattermost.com/pricing read Sep 30, 2026 |
| Tandem |
| tandem.chat/pricing |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Mattermost pricing and Tandem pricing.
Key Takeaways
Mattermost
- Lower entry price: $10/user/mo, billed monthly vs $13.99/mo, billed monthly
Tandem
- Higher user rating: 4.8/5 vs 4.3/5
What the data shows
On the data below, Mattermost leads on lower entry price; Tandem leads on higher user rating. We do not name an overall winner for this pair.
- Tandem has the higher user rating (4.3/5 from 604 reviews for Mattermost, 4.8/5 from 89 reviews for Tandem).
- Mattermost has the lower entry price: $10/user/mo, billed monthly (Professional) against $13.99/mo, billed monthly (Pro) for Tandem.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Mattermost and Tandem compare in 2026?
On the data below, Mattermost leads on lower entry price; Tandem leads on higher user rating. We do not name an overall winner for this pair. Tandem has the higher user rating (4.3/5 from 604 reviews for Mattermost, 4.8/5 from 89 reviews for Tandem). Mattermost has the lower entry price: $10/user/mo, billed monthly (Professional) against $13.99/mo, billed monthly (Pro) for Tandem. Both have a free plan.
What are Mattermost and Tandem used for?
Mattermost: Open-source team collaboration platform. Tandem: Virtual office for remote teams.
What does Mattermost cost vs Tandem?
Mattermost's cheapest paid plan is Professional at $10/user/mo, billed monthly; it also has a free plan. Tandem's cheapest paid plan is Pro at $13.99/mo, billed monthly; it also has a free plan. Prices read on the vendors' pricing pages, latest check Sep 30, 2026.
What's the main difference between Mattermost and Tandem?
Mattermost's main strength: open source Slack alternative. Tandem's main strength: virtual office concept.