IGViewer vs PostOnce: Which Is Better in 2026?
A side-by-side comparison of IGViewer and PostOnce, two social media tools — what each does, who it's best for, and how to choose between them.
Quick verdict
IGViewer and PostOnce are both social media tools, so it comes down to fit. Pick IGViewer if you want View public Instagram profiles, stories and posts anonymously without an Instagram login. Pick PostOnce if you want Crosspost to TikTok, Instagram, YouTube & more automatically On community ratings so far, IGViewer isn't rated yet and PostOnce at 4.0★ (1 review).
IGViewer
View public Instagram profiles, stories and posts anonymously without an Instagram login.
- Category
- Social Media
- Rating
- Not yet rated
- Best for
- instagram viewer, anonymous, instagram story viewer
PostOnce
Crosspost to TikTok, Instagram, YouTube & more automatically
- Category
- Social Media
- Rating
- 4.0
- Best for
- social media crossposting, social media scheduler, content repurposing
| At a glance | IGViewer | PostOnce |
|---|---|---|
| What it is | View public Instagram profiles, stories and posts anonymously without an Instagram login. | Crosspost to TikTok, Instagram, YouTube & more automatically |
| Category | Social Media | Social Media |
| Type | Software | Software |
| Best for | instagram viewer, anonymous, instagram story viewer, free | social media crossposting, social media scheduler, content repurposing, multi-platform publishing |
What is IGViewer?
IGViewer (igrecent.com) is a free web tool for viewing public Instagram content anonymously, with no Instagram account or login required. Enter any public username to browse the profile, posts, stories, highlights and reels without the owner seeing your view. It also includes an Instagram story viewer, a follower tracker and an Instagram downloader for saving public photos and videos. It works in any browser on desktop or mobile, with nothing to install. It is useful for marketers researching competitors, creators checking trends, and anyone who wants to see public Instagram content privately.
What is PostOnce?
PostOnce is an automatic social media crossposting tool and post scheduler for creators, small businesses and agencies. Post a video on one platform and PostOnce republishes it to Instagram Reels, TikTok, YouTube Shorts, Facebook, LinkedIn, X (Twitter), Threads, Bluesky and Pinterest within 20 minutes, no manual reposting. Schedule social media posts, repurpose existing content, and automate multi-platform publishing with 17 integrations including Google Drive, Canva, Dropbox, Zapier, Make and n8n, plus a REST API and MCP server for AI tools like ChatGPT and Claude. Unlimited workflows and posts on every plan, with a 7-day free trial. A simpler alternative to Buffer, Later and Repurpose.io.
Alternatives & competitors
A simpler alternative to Buffer, Later and Repurpose.io.
Key differences at a glance
- Purpose: IGViewer is View public Instagram profiles, stories and posts anonymously without an Instagram login. PostOnce, by contrast, is Crosspost to TikTok, Instagram, YouTube & more automatically
- Category & type: both sit in Social Media, and both are offered as software.
- Best suited for: IGViewer leans toward instagram viewer, anonymous, instagram story viewer, whereas PostOnce leans toward social media crossposting, social media scheduler, content repurposing.
- Community rating: IGViewer is not yet rated vs PostOnce 4.0★ (1). Ratings are community-submitted and change over time.
IGViewer vs PostOnce: which should you choose?
IGViewer and PostOnce both serve the social media space, so the best choice depends on your priorities. Choose IGViewer if you want View public Instagram profiles, stories and posts anonymously without an Instagram login. Choose PostOnce if you want Crosspost to TikTok, Instagram, YouTube & more automaticallyThe smartest move is to try each one's free tier or trial on a real task — that's the fastest way to feel the difference and pick the tool you'll actually stick with.
Frequently asked questions
Is IGViewer better than PostOnce?
It depends on what you need. IGViewer is View public Instagram profiles, stories and posts anonymously without an Instagram login. PostOnce is Crosspost to TikTok, Instagram, YouTube & more automatically Both are social media tools, so the right pick comes down to your specific priorities, budget and workflow.
What's the main difference between IGViewer and PostOnce?
IGViewer focuses on View public Instagram profiles, stories and posts anonymously without an Instagram login. while PostOnce focuses on Crosspost to TikTok, Instagram, YouTube & more automatically Read the full breakdown above and check each tool's site for current features and pricing.
Can I use both IGViewer and PostOnce?
In many cases, yes — teams often use complementary tools together. Whether it makes sense depends on overlap in functionality and your budget. Try the free tier or trial of each to see how they fit your stack before committing.
Which is cheaper, IGViewer or PostOnce?
Pricing changes often, so check each tool's pricing page for the latest. Many tools offer a free tier or trial, which is the best way to evaluate value for your specific usage before you pay.