Buffer vs Sendible vs PostFast, 2025 Pricing and Features

Comparing Buffer, Sendible, and PostFast? Here are the features that matter and the real monthly costs people check before they switch.

Table of Contents

1. What you can schedule on Buffer vs Sendible vs PostFast
2. Scheduling flow in PostFast
3. Cross posting to other platforms
4. Comparison: other schedulers vs PostFast
5. Specs that keep posts clean
6. Troubleshooting
7. FAQ
8. Copyable checklists

What you can schedule on Buffer vs Sendible vs PostFast

• Buffer, simple queue and calendar, billed per channel.
• Sendible, bundled profiles and users with approvals and client dashboards.
• PostFast, built to post fast across the big networks. Works on desktop and mobile. See integrations for Instagram, TikTok, and YouTube.

Pricing overview, monthly, ex-tax

Notes that affect the math

• Buffer bills per channel in USD.
• Sendible bundles users and profiles in USD. Higher profile counts on Advanced are configurable, prices for 125+ profiles are not listed publicly.
• PostFast bills in EUR with flat account tiers.

How much 4, 12, and 120 accounts cost

Assumes 1 account = 1 connected profile. For Sendible, we pick the smallest public plan that fits the profile count. For 120 profiles on Sendible, the public plan that covers it is Enterprise.

Effective price per account at 120

• Buffer Essentials: $6.00
• Sendible Enterprise: $6.25
• PostFast Pro: ≈ €0.66

Scheduling flow in PostFast

The flow keeps you moving for short video and image posts.

1. Pick your channels, Instagram, TikTok, YouTube Shorts, Facebook, LinkedIn, or X.
2. Write the caption. Paste saved text if you like.
3. Add media. PostFast processes each video before publishing so files meet platform specs.
4. Choose date and time. Save a preset if you post on a schedule.
5. Publish or schedule from desktop or mobile.

Notes: uploading a custom video cover is not available. Pick a frame from the video.

Cross posting to other platforms

Start with one base post, then tweak:

• Keep TikTok copy short and hooky.
• For YouTube Shorts, reuse the same vertical cut and a concise caption.
• Adjust tone for Instagram Reels, add line breaks for Facebook and LinkedIn.
• If you automate parts of this, see the API docs.

Comparison: other schedulers vs PostFast

Specs that keep posts clean

• Use vertical 9:16 for Reels, Shorts, and TikTok.
• Front-load the hook in line one.
• Loud audio or odd codecs can fail uploads. PostFast processes each video before publishing so files meet platform specs.
• For covers, pick a clean frame in PostFast.

Troubleshooting

• Post failed, re-connect the channel and retry.
• Wrong time, confirm your profile time zone and the channel time zone.
• File rejected, re-encode to standard codecs and sizes.
• Caption blocked, remove banned words or extra links.

FAQ

How does Buffer bill?
Per channel. Essentials is $6 per channel, Team is $12 per channel.

What counts as a profile in Sendible?
Each connected social account counts as one profile. Plans bundle both profiles and users.

Why is Sendible higher at 120 accounts?
Public pricing jumps from 100 profiles on Advanced to Enterprise at 400 profiles. You can ask Sendible about 125 to 175 profiles on Advanced, pricing is not listed.

Does PostFast work on mobile and desktop?
Yes, you can create, schedule, and publish on both.

Can I upload a custom video cover in PostFast?
Not today. Select a frame from the video.

Which platforms can I post to with PostFast?
Instagram, TikTok, YouTube Shorts, Facebook, LinkedIn, and X, with more available on the integrations pages.

Copyable checklists

Cost check, today

• Count accounts now and three months out
• Pick the row for 4, 12, or 120
• Note currencies and any VAT
• Decide monthly vs yearly once stable

First-week setup

• Connect Instagram, TikTok, YouTube
• Save one caption template per channel
• Schedule one video per channel
• Confirm time zone and posting window

Publish day

• Hook in line one
• Listen to the first 5 seconds for audio pops
• Pick a clean frame as cover in PostFast
• Preview once, then schedule

Ready to move faster, try PostFast.