Founder analyzing competitor TikTok and Instagram posts on a laptop with a swipe file notebook
Guides10 min read

How to Find Competitors' Best TikTok & Instagram Content (Legally, 2026)

Gyanendra Singh

Founder, ReelFlood

Founder of ReelFlood. Writes about AI UGC video ads, short-form marketing, and app growth.

Your competitors have already spent the money to find out what works on TikTok and Instagram in your niche. Every hook they tested, every format that flopped, every video that broke out — it's all sitting in public view, free to study. Competitor research is the highest-ROI 2 hours in app marketing: instead of guessing your way through 50 content experiments, you start from the 5 patterns already proven on your exact audience.

And it's entirely legal when done right, because everything you need is public. TikTok even ships an official free tool for it — Creative Center — and both platforms' search and profile surfaces reveal more than most founders realize.

This guide walks the manual methods first (free, official, ~2-3 hours per competitor), what to record so the research compounds instead of evaporating, the ethical and legal lines, and where automation like ReelFlood's built-in competitor research takes over the grunt work.

Method 1: TikTok Creative Center (free, official, start here)

TikTok Creative Center at creative-center.tiktok.com is TikTok's own research portal — free, no ad account needed. Two areas matter for competitor research:

Top Ads dashboard. Filter by your industry, region, and campaign objective, or search your category keywords ("habit tracker," "budgeting app," "AI photo"). You'll get the actual best-performing ads in your vertical. The killer feature: click into any ad for a second-by-second engagement chart showing exactly where viewers dropped off. Study five top ads in your category and you'll know precisely how long a hook has before the drop — usually the first 2-3 seconds do all the work.

Trends tabs. Trending hashtags, sounds, and creators by region and industry. This is where you check whether a sound your competitor keeps using is a rising trend or a fading one before you borrow it.

Know the limitation: Creative Center shows category-level winners, not a searchable archive of one brand's ads. It answers "what works in my vertical" better than "what is competitor X running." For brand-specific digging, you need the next methods.

TikTok's search bar is a competitor-research tool in disguise:

  • Search the competitor's brand name and their branded hashtag (#notion, #calai, etc.). You get their own posts plus — more valuable — user-generated posts about them: reviews, tutorials, complaints. The complaints are your positioning gold: every "I wish it did X" comment is an angle for your content.
  • Search category keywords your users would type ("expense tracker," "sleep app"). Filter by most-liked and by recency. The top results are what the algorithm has decided your future audience wants — reverse-engineer those, not just direct competitors.
  • Check the Others searched for suggestions. TikTok autocompletes real query demand; those phrases belong in your on-screen text and captions.

The fastest single move in this entire guide. Open a competitor's TikTok profile and flip the video grid from Latest to Popular. Their entire posting history re-sorts by views, and their proven playbook is the first nine thumbnails.

Read it in two passes. Pass one, Popular: what hooks and formats produced their all-time winners? Pass two, Latest: what's their current cadence, and which recent posts are outliers versus their median views? A video doing 10x their baseline is a breakout worth full swipe-file treatment — the algorithm just told you it found something.

Note their posting rhythm too — days, times, frequency. You'll cross-check it against best-time-to-post data later, but a competitor who's been iterating for a year has often already converged on their audience's active hours for free.

Method 4: Instagram keyword search and Reels recon

Instagram has no Popular sort on profiles, but its search got genuinely useful: it now matches keywords across names, bios, captions, and hashtags, ranking results by relevance, your activity, and popularity — posts with more engagement rank higher in competitive queries.

The workflow:

  • Search your category keywords and study the top-ranked Reels and posts: scan the captions and on-screen text of what ranks and note the phrases that repeat. That's both your competitor set and your keyword list.
  • Open each competitor's Reels tab and eyeball view counts — outliers are visible without any tool.
  • Check their tagged posts and comment sections. Tagged posts show how real users present the product; comments show objections and feature requests verbatim.
  • Note their format split. How much Reels vs carousels? If a competitor's carousels consistently outperform their Reels, that's the save-driven dynamic covered in the carousel strategy post — and a signal your niche rewards reference-style content.

What to record: the swipe file

Research you don't record is entertainment. Keep one spreadsheet — the swipe file — and log every standout post as a row of patterns, not just a link:

  • Hook — exact first-line text or the first 2 seconds, verbatim
  • Format — talking head, slideshow/carousel, screen demo, green screen, meme
  • Length and sound used
  • Posting day/time
  • Views vs that account's median (a 10x outlier means the format worked, not the account size)
  • Top 2-3 comments — what the audience actually reacted to

After 20-30 rows, sort by format and hook type. The repetition you see is the niche's playbook. In most app niches it converges on a handful of archetypes — "POV" hooks, listicle slideshows, before/after demos — and the slideshow ideas library maps the common ones to app categories if you want a head start.

Every method at a glance

MethodWhat it revealsTime cost
TikTok Creative Center — Top AdsBest-performing ads in your vertical; second-by-second drop-off on each~30-45 min per session
TikTok Creative Center — TrendsRising vs fading hashtags, sounds, creators by industry~15 min
Branded hashtag / keyword searchUGC about competitors, user complaints, real search-demand phrasing~30 min per competitor
Profile sorted by PopularA competitor's all-time proven hooks and formats in one screen~10 min per competitor
Instagram keyword search + Reels tabWhat ranks for your keywords; competitor outliers; format split; audience objections~30-45 min per competitor
Swipe file maintenanceThe niche playbook — recurring hooks, formats, timing patterns~15 min/week ongoing
Automated (e.g. ReelFlood competitor research)The above collection layer compiled into a report, repeatable on demandMinutes of setup

Manual total: roughly 2-3 hours per competitor upfront, plus weekly maintenance — and it goes stale as fast as they post.

Turning the swipe file into your calendar

The point of all this is output. The conversion is mechanical:

  1. Pick the top 3 recurring formats from your swipe file — the ones multiple competitors win with repeatedly.
  2. Write 5 hooks per format, adapted to your app. Keep the structure, replace the substance: their "3 signs you need a budgeting app" becomes your version with your angle and your differentiators.
  3. Schedule 2 weeks, mixing the three formats, at the posting times your research surfaced. Batch-produce in one sitting — this is where AI generation earns its keep. ReelFlood turns hook lines into finished 9:16 creator-style videos (about $3-5 per finished ad) and image collections into slideshows at 50 credits each, so testing all 15 swipe-file-derived ideas costs less than one freelance video. Post via TikTok autopilot and an approved Instagram scheduler.
  4. After 2 weeks, compare your outliers to your baseline — you're now generating your own swipe-file data, and the loop feeds itself. That test-and-double-down loop is the same engine behind every app that's broken out on TikTok.

A worked example: 90 minutes on a fictional habit-tracker app

To make the loop concrete, here's what one research session looks like for a founder of a habit-tracking app:

Minutes 0-30, Creative Center. Search "habit tracker" and "productivity app" in Top Ads, US region. Pattern across the top ten: every winner opens on a relatable failure ("day 14 of pretending I'll journal tomorrow"), not a feature. Drop-off charts show the cliff at second 3 — whatever the hook is, it has three seconds.

Minutes 30-50, TikTok profiles. Sort three competitor profiles by Popular. Two of the three have slideshows in their all-time top five — despite posting mostly video. That mismatch (format share vs winner share) is the single most useful signal in profile research: the niche wants more slideshows than anyone is making.

Minutes 50-75, Instagram. Keyword-search "habit tracker": top-ranked Reels all use on-screen text with the keyword verbatim in the first frame. Competitor Reels tabs show one account whose carousels out-view their Reels 3-to-1 — more evidence the niche rewards reference content. Their comments repeat one objection: "I always abandon these apps by February."

Minutes 75-90, swipe file and calendar. Fifteen rows logged. Output: two weeks of content — five failure-hook videos, five listicle slideshows, four posts attacking the abandonment objection directly. That last angle came straight from comments, costs nothing, and none of the competitors are addressing it. That's the whole method: their audience told you what's missing; you get to be the one who ships it.

Everything above is legal because it observes public data. Keep it that way:

  • Public data only. If seeing it requires logging into an account that isn't yours, or bypassing any access control, stop.
  • No credential-based scraping. Tools that ask for your TikTok or Instagram login to "analyze competitors" violate platform terms and put your own account at risk. Research through official surfaces and public pages.
  • Inspiration, not copying. Extract patterns (hook structures, formats, topics — not protected), never expression (their actual video, script, or creator likeness — protected, and reputationally radioactive in niches where audiences follow both of you). The test: would your version stand alone for someone who never saw theirs?
  • Don't republish their content as your own, watermark removed or not.

Automating the grunt work

The honest weakness of manual research isn't quality — it's decay. Your 3-hour analysis is a snapshot; competitors post daily. Repeating the sweep monthly across 5 competitors is a part-time job nobody keeps up.

That collection layer is what's worth automating. ReelFlood's built-in competitor research analyzes competitors' public TikTok and Instagram presence into a report — what they post, which content actually performs, and the hook and format patterns behind their winners — in minutes instead of an afternoon, repeatable whenever you need a fresh read. You still own the judgment calls (what to adapt, what to ignore, where your differentiation lives); the tool just makes sure the observation layer never goes stale. Do the manual pass once anyway — it calibrates you to sanity-check any report, automated or otherwise.

The bottom line

Your niche's content playbook is public. TikTok Creative Center hands you the vertical's best ads with drop-off charts, the Popular sort hands you each competitor's greatest hits in one tap, and Instagram's keyword search shows you what ranks and why. Spend 2-3 hours, record patterns in a swipe file, convert the top formats into two weeks of adapted content, and let performance data take over from imitation.

If you'd rather skip straight to the report, ReelFlood's free tier — 100 credits, no card — includes the competitor research feature plus enough credits to turn what you learn into your first two slideshow posts.

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