Home / Compare

LinkedIn carousel makers compared (2026): which is best for engineering content?

Most carousel makers are built for marketing tips and personal branding. If your posts explain how systems work, why they broke or how a team fixed them, you need something different: the right story, real diagrams and numbers you can trust. Here is how the popular tools compare, and where each one fits.

Last updated 27 September 2026

Who wrote this: the team that makes Chartin, so read it knowing we have a side. To keep it fair, every detail about another product comes from that product's own website, checked on 27 September 2026 and linked at the end, and each comparison says when the other tool is the better choice. Prices change: check each site before you buy.

The short answer

For explaining engineering articles: Chartin. It reads the whole post, builds the story and draws diagrams from the article's own facts.
For a complete LinkedIn growth workflow (scheduling, analytics, engagement): Taplio.
For on-brand posts across several networks: PostNitro or Contentdrips.
For quick carousels on any topic: aiCarousels.
For full manual control: Canva.

Comparison table

From each product's own website, checked 27 September 2026. "Not described on its site" means we couldn't find the feature described there, not that it can't exist.

Chartin is highlighted. Scroll sideways on a phone.
	Chartin	Taplio	PostNitro	Contentdrips	aiCarousels	Canva
Built for	Turning engineering articles (postmortems, architecture posts, benchmarks) into explainer carousels	Growing on LinkedIn: writing, scheduling, analytics and engagement, with a carousel maker inside	On-brand carousels, single images and short videos for LinkedIn, Instagram, TikTok and Threads	Template-based carousels and posts for creators, teams and brands, with an API	Fast carousels for LinkedIn, Instagram and TikTok from almost any input	Designing anything by hand, with templates and AI tools
What the AI starts from	A link to the article (it reads the whole post)	A one-line idea, or a post, article or YouTube link	A topic, your own text, an article URL, or X posts	Text, CSV, a topic, or (on paid plans) a blog post	A topic, text, a website URL, a YouTube video or a PDF	A blank canvas or a template
What you get	7 slides with diagrams drawn for the article: flows, timelines, comparisons, code and numbers	Carousels as part of a wider LinkedIn workflow	Designed slides on your brand kit, plus PNG, PDF and MP4	Carousels from its template library, plus MP4 and GIF downloads	Carousels from customisable templates with preset colours and fonts	Whatever you design
Fact checking against the source	Numbers and names are checked against the article; anything it can't verify is flagged	Not described on its site	Not described on its site	Not described on its site	Not described on its site	Up to you
Posting	Download PNG or PDF and post it yourself	Schedules and publishes to LinkedIn	Schedules and publishes natively on Creator+ and above	Publishes to LinkedIn on paid plans	Not described on its site	Download and post
Pricing model	Credit packs, no subscription; credits never expire	Monthly subscription	Monthly subscription	Monthly subscription with AI credits	Free, plus a paid Pro subscription	Free, plus paid subscriptions (prices vary by country)
Starts at	$7 for 2 carousels	$39/month (Starter; AI writing starts on Growth at $69/month)	$15/month (Starter)	$15/month (Starter)	Pro subscription (price not shown on its home page; third-party listings say about $15/month)	Free; paid plans vary by country
Free option	First carousel free	7-day free trial	Free plan with a watermark	Free plan with 50 AI credits	Free plan	Free plan

What Chartin does differently

It reads the whole article first

Before any slide exists, Chartin writes a technical analysis of the post: the system, the numbers, the cause and effect. That analysis is the source of truth for everything after it.

You pick the story

It suggests several angles (how it works, the incident, the trade-off, the lessons) and the audience (engineers, developers or non-technical readers). The carousel is built for that choice.

Diagrams made for this article

A request's path through a system, an incident timeline, a before and after, a code excerpt: the visual on each slide is drawn from the article's own facts, not a stock template.

A seven-slide story, tested on a cold reader

Each slide answers the previous one's question. An AI reader who never saw the article reads the slides and reports where it got lost, and the carousel is revised before you see it.

Numbers checked against the source

Figures, times and names on the slides are checked against the article. Anything it can't verify is flagged for you.

Pay per carousel

Your first carousel is free. After that, credit packs from $7 for 2 carousels; credits never expire and there is no subscription.

Where Chartin is not the right tool

It makes one format: 7-slide LinkedIn carousels (PNG or PDF). No Instagram, TikTok or video yet.
It doesn't schedule or publish posts, and has no LinkedIn analytics.
It's built for technical articles. For motivational posts or general marketing tips, other tools fit better.
A carousel takes about five minutes, because it reads, writes, tests and revises. Template tools are faster.
There's no team plan yet.

The tools, one by one

Taplio

Taplio (by lempire) is an all-in-one LinkedIn growth tool. Carousels are one feature among scheduling, a library of viral posts, analytics and engagement tools. Its pricing guide lists Starter at $39/month, Growth at $69/month and Pro at $199/month (less on annual billing), and says Starter includes no AI writing.

Best for: you want one tool for your whole LinkedIn routine: writing, scheduling, analytics and engagement. Chartin vs Taplio

PostNitro

PostNitro writes and designs carousels, single-image posts and short videos on your brand kit, and on higher plans schedules them to several networks. Its plans page lists Free (watermarked, up to 5 AI slides per carousel), Starter at $15/month, Creator+ at $30/month and Team+ at $60/month.

Best for: you publish to Instagram, TikTok and Threads as well as LinkedIn. Chartin vs PostNitro

Contentdrips

Contentdrips is a template-first content tool. Its pricing page lists a free plan with 50 AI credits, Starter at $15/month (500 AI credits, blog to carousel, LinkedIn publishing) and Pro at $26/month, with API access on higher plans.

Best for: you like picking a template and filling it in. Chartin vs Contentdrips

aiCarousels

aiCarousels focuses on speed: it turns a topic, text, a website, a YouTube video or a PDF into a carousel from customisable templates. It has a free plan, and its Pro plan adds extra generators such as posts, infographics and quote cards.

Best for: you want a carousel in seconds on any subject, from many kinds of input. Chartin vs aiCarousels

Canva

Canva is a general design tool with a huge template library and AI features on its paid plans. You can make an excellent carousel in Canva, but you do the reading, the story and the diagram design yourself.

Best for: you enjoy designing and want full control over every pixel. Chartin vs Canva

How to choose

Ask what the carousel is for. If it's one of several posts you schedule every week, a LinkedIn suite or a template tool will serve you better. If it has to teach an engineer something from a real article, pick the tool that reads the article and gets the diagram right, then check the result before you post it, whichever tool you use.

Sources

Try it on your own article

Paste a link to an engineering post. Your first carousel is free, no card needed.

Make a carousel