Courier vs Split.io: Full Comparison (2026)
Pricing, features, scores, and a clear verdict on which one is right for you.
The bottom line
Courier positions itself as "send notifications the smarter way" while Split.io goes after "feature flags plus experimentation" — so the right pick depends on which problem you're actually solving. Both use freemium pricing, but Courier charges per message while Split.io charges per seat — a meaningful difference for larger teams.
At a glance
| Courier | Split.io | |
|---|---|---|
| Our score | 80/100 | 81/100 |
| Starting price | Free | Free |
| Free tier | Yes | Yes |
| Best for | Send notifications the smarter way | Feature flags plus experimentation |
Pricing comparison
Calculate your cost
Feature comparison
core
| Feature | Courier | Split.io |
|---|---|---|
| Multi-channel notifications | Yes | No |
| Template editor | Yes | No |
| User preferences | Yes | No |
| Routing rules | Yes | No |
| Notification designer | Yes | No |
| Feature flags | No | Yes |
| Targeting rules | No | Yes |
| Percentage rollouts | No | Yes |
| Kill switches | No | Yes |
| Multi-environment | No | Yes |
Ratings breakdown
What the data tells us
How costs scale
Courier's pricing curve is steeper — the jump from its entry plan to its top tier is more dramatic than Split.io's. If you're a growing team, model the 12-month cost at your projected team size, not just today's. Split.io tends to stay more predictable as you add seats or usage.
Key capabilities you'd miss
Choosing Courier means going without Feature flags, Targeting rules, Percentage rollouts (which Split.io offers). Choosing Split.io means losing Multi-channel notifications, Template editor, User preferences. These are the features that typically drive the final decision — check whether your workflow depends on any of them before committing.
What company size tells you
Courier (51-200 employees) has the engineering bench to ship features across many fronts but may iterate slower on individual requests. Split.io (201-500 employees) typically ships faster on its core product but may lag on peripheral features. Consider which matters more for your roadmap.
Choose Courier if...
- You want a free tier to get started
- You value an intuitive, easy-to-use interface
- Getting strong value for money is a priority
Choose Split.io if...
- You want a free tier to get started
- You value powerful features over simplicity
- Getting strong value for money is a priority
Frequently asked questions
Is Courier or Split.io better?
Split.io scores 81/100 compared to Courier's 80/100 on VendorVS. However, the best choice depends on your needs — Courier excels at ease of use (8/10) while Split.io scores 7/10.
How much does Courier cost compared to Split.io?
Courier starts at free (free tier available). Split.io starts at free (free tier available). Courier is the more affordable option.
Does Courier or Split.io have a free plan?
Yes, both Courier and Split.io offer free tiers, so you can try each before committing to a paid plan.
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