Supaslides vs PostNitro
Head-to-head
Supaslides auto-builds your brand theme from your URL and lets Claude write and lay out every slide, best for founders and creators who want on-brand Instagram and TikTok carousels in minutes. PostNitro PostNitro turns a topic, URL, text or X/Twitter thread into a multi-slide carousel and can schedule it across Instagram, LinkedIn, TikTok and Threads. It leans on 100+ templates plus brand-kit colours and fonts. Pick PostNitro if creators who post across several networks (especially linkedin) and want carousel generation and scheduling in one tool.
At a glance
| Supaslides | PostNitro | |
|---|---|---|
| Brand setup | Auto-extracted from your URL (colours, fonts, logo, voice) | Template + brand-kit colours/fonts |
| AI copywriting | Claude writes every slide from a one-line brief | AI from topic / URL / text / X thread |
| Design & layouts | 7 art directions + per-slide layout chosen by AI | 100+ templates, manual styling |
| Platforms | Instagram, TikTok, LinkedIn, Facebook, X, Pinterest, YouTube | Instagram, LinkedIn, TikTok, Threads |
| Export | High-res PNG ZIP, WYSIWYG | PNG / PDF (watermark on free) |
| Scheduling | Not yet (export & post) | Yes, up to 10 accounts |
| Free plan | 1 brand, 3 carousels/mo (watermarked) | 5 watermarked downloads |
| Starting paid price | $19/mo Pro ($16/mo annual) | $15/mo Starter |
Where they differ
Brand setup: a theme from your URL vs a template you style
With PostNitro you pick a template and apply your brand kit, template + brand-kit colours/fonts. With Supaslides you paste your website URL and we read it, pulling your colours, fonts, logo and tone of voice into a ready-made theme. You skip the styling step entirely.
Copywriting: who writes the words
Supaslides hands the whole deck to Claude, which writes each slide and chooses the right layout for it, cover, statement, big-stat, list, step, tip or CTA, so the carousel reads as one narrative. PostNitro generates copy too (ai from topic / url / text / x thread), then leaves layout to you and the template.
Design & flexibility
PostNitro gives you 100+ templates, manual styling. Supaslides ships seven complete art directions and one click re-skins the entire carousel: same words, a completely different look.
Who each is best for
Choose Supaslides if you…
- Paste a URL and we auto-build an on-brand theme (colours, fonts, logo and tone of voice) instead of starting from a generic template.
- Claude writes the copy and picks the right layout per slide (cover, stat, list, tip, CTA) so the whole deck reads as one narrative.
- Seven art directions re-skin the entire carousel in one click, same words, a completely different look.
- Export to every major platform: the PNG you download is exactly what you edited, sized natively for Instagram, TikTok, LinkedIn, Facebook, X, Pinterest and YouTube.
Choose PostNitro if you…
- Supports Threads alongside the big networks, and bundles a built-in scheduler.
- Built-in scheduler publishes to up to 10 social accounts on higher tiers.
- Accepts topic, URL, raw text or an X/Twitter thread as input.
- 100+ templates and PDF export (handy for LinkedIn document posts).
Why people switch from PostNitro
- Tired of picking and re-styling templates for every post.
- Want the deck to actually match their brand without manual colour-picking.
- Want stronger on-brand design and don't need a built-in scheduler.
To be fair, PostNitro keeps the edge if creators who post across several networks (especially linkedin) and want carousel generation and scheduling in one tool. If that’s you, it’s a solid tool. If you just want a beautiful, on-brand carousel without the setup, that’s exactly what Supaslides is built for.
FAQ
Is Supaslides a good PostNitro alternative?
Yes, if your priority is fast, on-brand carousels for Instagram and TikTok, Supaslides builds your theme automatically from your URL and lets Claude write every slide. PostNitro is a stronger fit if you specifically need built-in scheduling and extra platforms.
How is Supaslides different from PostNitro?
The core difference is brand setup. PostNitro starts you from a template you style yourself, while Supaslides reads your website and auto-builds a theme, colours, fonts, logo and tone of voice, then applies one of seven art directions across the whole deck.
Does Supaslides cost less than PostNitro?
Supaslides Pro is $19/mo ($16/mo on annual) with no watermark, 20 carousels/month and 3 brands. PostNitro's entry paid plan is Starter $15/mo (annual $12.50/mo): 30 downloads/mo, 2 brands, watermark-free. Both offer a free way to try first.
Try Supaslides, the simpler PostNitro alternative
Paste your URL, write one line, and let Supaslides build an on-brand deck for Instagram, TikTok, LinkedIn and every major feed. Free to start, no credit card.