Buffer vs Helios Flow

Two fact sheets from our own research, side by side — pricing, platforms, API access and status re-checked by us rather than quoted from the vendors.

The short answer

Cheaper paid plan: Buffer — $5/mo vs $25/mo for Helios Flow
Free plan: Both have one
Public API: Buffer has one; not confirmed by us for Helios Flow
Best fit: Buffer: Solo creators and small businesses posting to a handful of networks · Helios Flow: Small marketing teams that want AI-drafted, on-brand posts and emails they still review before sending
Platforms: Buffer: Web, iOS, Android, Chrome extension · Helios Flow: Web

From our own records as of each tool's last check. Anything we have not confirmed is left out rather than guessed. How we verify

BufferSchedules, publishes and analyzes social posts across 12 networks, with an AI assistant for drafting and repurposing included on every plan.

Helios FlowReads a company's site to learn its brand voice, then drafts social posts and emails for human approval before publishing.

Side by side

Fact	Buffer	Helios Flow
Category	Social Media Management	Social Content & Captions
Pricing model	Freemium	Freemium
Starts at	$5/mo	$25/mo
Public API	Yes	Not confirmed
Trust score	82 / 100	78 / 100
Platforms	Web, iOS, Android, Chrome extension, API	Web
Company	Buffer, Inc.	Helios Dev Shop LLC
Launched	2010	—
Last verified	Oct 29, 2026	Oct 15, 2026

What our research says

Buffer

Buffer fits solo creators, small businesses and lean agencies who want simple scheduling and analytics with AI help on drafts and no add-on fee. Brands that need social listening, paid-ads management or deep enterprise reporting will outgrow it.

Pros

AI Assistant included on every plan, including free
Per-channel pricing lets you pay only for the networks you use
Covers newer networks such as Bluesky, Threads, Mastodon and Substack
Public GraphQL API and CLI with documented rate limits

Cons

Costs scale with channel count, so many accounts get expensive on Team
Free plan caps the queue at 10 posts per channel and keeps 30 days of insights
No social listening or ad management

Helios Flow

Helios Flow's brand-voice extraction from a company's own site is a useful shortcut for staying on-brand, and the mandatory human-approval step before anything publishes is a sensible guardrail rather than a limitation. Running two separately metered products, social and email, means a team using both ends up paying for the bundle to avoid buying two full-price plans.

Pros

Derives a brand voice profile directly from a company's existing website
Covers six social platforms plus email from one brand profile
Every post requires human approval, reducing the risk of an off-brand or incorrect post going out automatically
Named, US-registered operator, Helios Dev Shop LLC

Cons

Social and email tools are priced and metered separately unless bundled
Credit-based pricing means heavy posting volume can burn through 1,000 monthly credits quickly
The 30-day free trial gives 100 credits with no image generation; images need the $1 seven-day trial or a paid plan

Which one fits

Choose Buffer if you need

Solo creators and small businesses posting to a handful of networks
Agencies that add and drop client channels and want to pay per channel
Teams that want AI drafting without a separate subscription

Choose Helios Flow if you need

Small marketing teams that want AI-drafted, on-brand posts and emails they still review before sending
Businesses wanting both social and email content generation from one brand profile