An Instagram giveaway is one of the few marketing moves that reliably works for tiny accounts and big ones alike. It's also easy to do badly: vague rules, a prize nobody wants, a winner picked in a way that looks fishy. Here's the whole process, start to finish, with the decisions that actually matter at each step.

Key takeaways

Pick one goal (followers, comments, content, launch buzz, local reach) and design the entry rule around it. Trying to get all five gets you none.
Only require entry actions you can verify from public comments: comment, tag friends, include a keyword. Follows can be checked on the winners. Likes and story shares can't be checked at all.
Run it 3 to 7 days. Long enough to reach people, short enough that momentum doesn't die.
Pick the winner with a tool that publishes proof, draw alternates at the same time, and post the proof link with the announcement.
Have your winner DM and your scam warning ready before you post, because impersonators show up fast.

Step 1: Decide what you actually want

Every rule you add costs you entries, so spend those rules on your real goal.

Goal	Best entry rule	Why
More followers	Follow + comment	Follow is checkable on winners; comment is the entry.
Reach new people	Comment + tag 2 friends	Tags pull in people who didn't see the post.
Engagement / algorithm	Comment answering a question	Real comments, not just "done."
Product feedback	Comment which variant they'd pick	Free research plus a comment.
Local reach	Comment + tag a friend who lives nearby	Tags stay geographically relevant.
Launch buzz	Comment a keyword tied to the launch	Keyword rule is enforceable and on-message.

For more concrete ideas, see 25 giveaway ideas that get comments.

Step 2: Choose a prize people want (from you)

A generic prize (cash, a popular gadget) attracts generic entrants who unfollow the day after. Your own product, a bundle, a gift card to your store, or an experience tied to your niche attracts people who might actually buy later. Value matters less than fit. Two rules of thumb: the prize should be something your best customer would be excited to win, and it should be easy to deliver (shipping restrictions and customs are giveaway killers).

Step 3: Write entry mechanics you can verify

This is where most giveaways go sideways. Split every possible ask into three buckets:

Verifiable from public comments: commenting, tagging N different friends, including a keyword or hashtag or emoji, commenting within a time window. A picker can enforce all of these automatically.
Verifiable on the winners only: following your account. Pickfetti checks the drawn winners; if a winner provably doesn't follow, they're skipped and listed, and private accounts are treated as unknown rather than rejected.
Not verifiable: likes, saves, sharing to a story, following a second account on another platform. Ask if you want, but don't make them a condition of winning, and don't claim you'll check.

Also decide: one entry per person (the default and what most people consider fair) or every comment counts. Whatever you choose, say it in the caption and set the picker the same way.

Step 4: Write the rules and caption

Use the rules template for the full version and put the essentials in the caption: prize, how to enter, close date and time with time zone, eligibility, how the winner is picked, and the required Instagram disclaimer ("This promotion is in no way sponsored, endorsed or administered by, or associated with, Instagram."). If you'd rather not write it, the rules generator produces both from your settings. Caption examples are in 12 giveaway caption templates.

Step 5: Timing and duration

Length: 3 to 7 days for most accounts. Shorter for flash giveaways with a small audience, up to 10 days for large collabs.
Post time: when your audience is normally online. Check your insights; don't guess.
Close time: pick a round time ("Friday at 8 PM ET"), and set the picker's date window to it so late comments are excluded consistently.
Reminders: a Story on day one, a Story midway, and a "last chance" Story a few hours before close. Each one links back to the post.

Step 6: Post it and watch for scams

Within hours of any giveaway going live, copycat accounts (your handle with an extra underscore or digit) will DM entrants saying they won and asking for a "shipping fee." Add a line to your caption and your first Story: "We will only DM from @[yourhandle] and will never ask for payment." Report impersonators as you see them, and pin a comment repeating the warning.

Step 7: Pick the winner with proof

When the entry period ends:

Paste the post link into Pickfetti. No login; it reads the public comments.
Set the rules to match your caption: winners and alternates, one entry per person, minimum tags, keyword, exclude yourself, date window, follow check if you promised one.
Draw. You'll get the winners, the alternates, a winner card image, a CSV of entries, and a proof page at pickfetti.com/d/{code} with the seed and entrant hash that anyone can re-verify.

Free for posts up to 500 comments; bigger posts use a one-time pass or Pro (see pricing). Whatever tool you use, the point is the same: the entrant list and the random choice should be something you can show, not something you ask people to believe. Full walkthrough in how to pick a winner.

Step 8: Announce and follow up

Announce in a Story and in a pinned comment on the post (some hosts also do a dedicated post). Include the proof link.
DM the winner from your official account. Give them a deadline (48–72 hours).
If they don't respond, move to the first alternate from the same draw and say so publicly. Don't run a second draw.
Ship the prize, then post the winner's unboxing or thank-you if they share it. That's the receipt for your next giveaway.

Templates for all of that are in how to announce a giveaway winner.

Step 9: Measure what happened

Look at follower change over the giveaway week and the week after (expect some unfollows; that's normal), comments and reach on the post, and, if you had a launch or sales goal, whether the needle moved. Keep the CSV export of entries; it's useful for spotting the same bot accounts next time and for building a blocklist.

Common mistakes

Prizes that attract prize-hunters. Cash and iPhones fill your followers with people who'll never buy.
Unverifiable rules. "Must like and share to Story" can't be enforced, so either you're pretending or you're skipping it.
No close time or time zone. Guaranteed argument.
Picking by scrolling. Slow past 50 comments and impossible to prove.
No alternates. A silent winner means a redraw, and redraws look bad.
Forgetting the Instagram disclaimer. One sentence; include it.
Announcing without proof. The proof link is what turns "congrats to @winner" from a claim into a fact.
Panicking about comment counts. The picker retrieving fewer comments than the post displays is normal; deleted, hidden, and filtered comments still count in Instagram's number. Details here.

FAQ

How long should an Instagram giveaway run?

Three to seven days for most accounts. Shorter loses reach; longer loses urgency.

Do I need a business account to run a giveaway?

No. And you don't need one to pick a winner with Pickfetti either, since it reads public comments from the post link rather than through your account.

Can I run a giveaway on a reel?

Yes. Public reels work exactly like posts. Stories don't, because they have no public comments.

How many winners should I pick?

One is simplest and gets the biggest prize. Three to five smaller prizes can feel more winnable. Pickfetti supports up to 5 winners free and up to 50 on Pro, plus alternates.

Is a giveaway the same as a contest?

Not legally. A giveaway (sweepstakes) picks by chance; a contest picks by skill or judging. See the promotion guidelines explainer.