Runna vs Series
Which Personalization AI tool is better in 2026?
Runna
Personalized AI-powered running training plans and coaching, now part of Strava
Series
The first AI social network that lives entirely inside iMessage
Side-by-side
Runna leads on both fronts — more capital raised ($12.5M) and a lower entry price than Series.
| Metric | Runna | Series |
|---|---|---|
| Taglinei | Personalized AI-powered running training plans and coaching, now part of Strava | The first AI social network that lives entirely inside iMessage |
| Foundedi | 2021🏆 | 2024 |
| HQi | London, United Kingdom | New Haven, US |
| Employeesi | — | 1-10🏆 |
| Neuron scorei | 70🏆 | 53 |
| Total fundingi | $12.5M🏆 | $5.1M |
| Latest roundi | Acquisition · Apr 2025 | Pre-Seed · Apr 2026 |
| Valuationi | — | — |
| Cheapest paid plani | From $19/mo🏆 | Pricing not disclosed |
| Free plani | ✗ | ✓ |
| Free triali | ✓ | ✗ |
| Top tier pricei | Pricing not disclosed | Pricing not disclosed |
| Pricing summaryi | Free trial · From $19/mo | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Runna and Series.
| Capability | Runna | Series |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✓ | ✗ |
| SDK languages | — | — |
| Free plan | ✗ | ✓ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Runna
- Has raised more capital ($12.5M vs $5.1M)
- Higher Neuron score (70 vs 53)
- Offers a free trial
- Lower starting price ($19/mo)
🔵 Strengths of Series
- Offers a free plan
- Newer company (2024)
Which should you choose?
Choose Runna if price matters most — it starts at Free trial · From $19/mo, which is friendlier for teams watching burn. Both AI Personalization tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Runna if you want the most established option — it has raised $12.5M, suggesting more runway for enterprise features, support, and long-term roadmap. For mission-critical workflows or larger teams, that stability often outweighs a lower monthly price.
Frequently asked questions
Runna vs Series — which is better?
It depends on your priority. Runna has raised more capital and is the more established option; Series has broader feature depth. See the side-by-side table above.
Is Runna cheaper than Series?
Yes — Runna's cheapest paid plan is Free trial · From $19/mo, while Series's is Free.
Do Runna and Series offer free plans?
Runna: Free trial only. Series: Yes, has a free plan.
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