Buffer vs OneSignal: Complete Comparison (2026)
An in-depth comparison of Buffer and OneSignal to help you choose the right tool for your business.
Last updated: November 2026
Buffer
6.5/10
Buffer is a social media management tool for small businesses, creators and individuals that schedules posts, tracks analytics and manages comments across major networks.
OneSignal
7.1/10
OneSignal is a customer messaging platform for sending mobile push, web push, in-app messages, email and SMS to app and website users.
Feature-by-Feature Comparison
| Feature | | |
|---|---|---|
| Scores | ||
| Overall Rating | 6.5/10 | 7.1/10 |
| Scalability | 5/10 | 8/10 |
| Ease of Use | 9/10 | 8/10 |
| Customization | 5/10 | 6/10 |
| Security | 5/10 | 7/10 |
| Support | 5/10 | 6/10 |
| Cost | 9/10 | 7/10 |
| Integration | 6/10 | 8/10 |
| Analytics | 5/10 | 6/10 |
| Pricing | ||
| Free plan | Yes | Yes |
| Cheapest paid plan | $5/mo Essentials | $19/mo Growth |
| Estimated cost for 10 users | $10/mo Team | Free Free |
| Features | ||
| Email Marketing | ||
| SMS Marketing | ||
| A/B Testing | Not listed | |
| Competitor Analysis | Not listed | |
| Segmentation | Not listed | |
| Social Media Analytics | Not listed | |
| Social Media Scheduling | Not listed | |
| TikTok Analytics | Not listed | |
| Webinars | Not listed | |
Buffer vs OneSignal cost by team size
Buffer and OneSignal cost the same at 1 user; OneSignal costs less from 5 users.
| Team size | Buffer | OneSignal |
|---|---|---|
| 1 user | FreeFree | FreeFree |
| 5 users | $10/moTeam | FreeFree |
| 10 users | $10/moTeam | FreeFree |
| 25 users | $10/moTeam | FreeFree |
| 50 users | $10/moTeam | FreeFree |
The plan that fits each team size, billed monthly, before add-ons and usage charges. Each cost opens that tool's pricing calculator for the team size.
Which One Should You Choose?
Why choose Buffer
- Higher Cost score (9/10 vs 7/10)
- Higher Ease of Use score (9/10 vs 8/10)
- Better fit for content creators (9/10 vs 3/10)
- Better fit for small business (9/10 vs 7/10)
Why choose OneSignal
- Lower estimated cost for 10 users: Free vs $10/mo
- Higher Scalability score (8/10 vs 5/10)
- Higher Security score (7/10 vs 5/10)
- Better fit for enterprise (7/10 vs 3/10)
- Includes Email Marketing, which Buffer lacks
Pros & Cons
Buffer
Pros
- Free plan covers 3 channels with scheduling, a community inbox and basic Insights, so solo users can start at no cost.
- Reddit users often praise how fast Buffer is to learn: about a quarter of the comments NapoleonCat analysed mention its simplicity.
- Supports 11 networks, including newer ones like Threads, Bluesky, Mastodon and Substack.
- The Team plan includes unlimited users and approval workflows without charging per seat.
- Paid plans include a public API with documented rate limits, which suits teams that want to automate posting.
Cons
- Reviewers on G2 and Reddit call the analytics and reporting basic compared with Sprout Social or Hootsuite.
- There is no tracking of competitor accounts, only aggregate benchmarks.
- Per-channel pricing gets expensive for agencies with many accounts.
- Support is described as email-only and inconsistent, and Trustpilot reviews cite billing problems and posts that failed to publish.
- The community inbox cannot pull in comments on ads and has no rule-based moderation.
OneSignal
Pros
- A free plan with unlimited push up to 1,000 MAU and 10,000 emails a month makes it cheap to start.
- Push, in-app, email and SMS run from one platform with cross-channel journeys.
- Reviewers on G2 and PeerSpot say the dashboard is easy for non-technical marketers to use.
- A broad integration catalog covers CDPs such as Segment, RudderStack and Hightouch, data warehouses, and analytics tools.
Cons
- PeerSpot reviewers call it expensive for large subscriber bases.
- Free and Growth plans cap segments at 6 and 10, and reporting history at 30 and 90 days.
- SMS pricing is not published and requires a sales conversation.
- Reviewers mention unclear documentation for advanced cases and limited in-app design options.
Not sold on either?
Why We ViralOur product
Free TikTok analytics for social media teams: see which formats, hooks, and topics get views for any creator or competitor, and turn them into content ideas.
Made by the team behind b stack radar. Shown here because it fits this topic. It is not part of our rankings. How we rank tools
Frequently Asked Questions
OneSignal scores higher on our Marketing criteria: 7.1/10 against 6.5/10 for Buffer. The largest gap is in Scalability: 5/10 for Buffer and 8/10 for OneSignal.
OneSignal costs less for 10 users: free on its Free plan, against about $10/mo on its Team plan for Buffer, billed monthly.
Yes, both Buffer and OneSignal have a free plan.
Buffer is the better fit for content creators: we rate it 9/10 for them, against 3/10 for OneSignal.
OneSignal has Email Marketing and SMS Marketing, which Buffer lacks.
