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The Best Whatnot Bot to Grow Followers, Relist & Sell on Autopilot
Sidekick Tools is the Whatnot bot that auto-follows, follows back, and relists your listings around the clock, so you build the audience that shows up to your live sales, with safe, human-like timing. No downloads. No scripts.
✓ Works on iPhone, Android & Mac · $29.99/month · Cancel anytime
What Is a Whatnot Bot?
A Whatnot bot is an automation tool that grows your audience and keeps your listings fresh: following active buyers, following back new followers, unfollowing non-reciprocal accounts, and relisting aged items, so your Whatnot shop keeps building momentum around the clock.
Whatnot is a live-selling marketplace. Your followers get notified when you go live, so your following is the audience that actually shows up to bid and buy. Building that audience by hand, and relisting your marketplace items every day, is impossible to keep up with.
Sidekick Tools is a cloud-based bot for Whatnot that does it for you. It runs on our servers with natural, human-like pacing, so your Whatnot shop keeps growing even when you’re offline, at your day job, or prepping your next show.
On Whatnot, Your Followers Are Your Live-Show Audience
Whatnot is built around live sales. When you go live, Whatnot notifies your followers, so the size of your following directly decides how many people show up to bid. That makes growing your audience the number one lever on Whatnot, and it works differently from anything on Poshmark or Mercari.
More followers means more viewers per show, more bids, and more sales. But growing a following by hand is slow, and a lopsided follow-to-following ratio looks spammy. The healthy way to grow is a loop:
- Auto Follow active buyers so more people discover your shop and get notified when you go live.
- Follow Back everyone who follows you, to reward interest and keep them engaged.
- Auto Unfollow accounts that don’t follow back, so your ratio stays healthy as you scale.
- Auto Relist aged marketplace items so your buy-it-now listings keep resurfacing too.
Running that loop manually, every day, is exhausting. Sidekick Tools runs it for you on autopilot, at a safe, human pace, so your Whatnot audience keeps compounding show after show while you focus on selling live.
Why Sidekick Tools Is the Best Whatnot Bot in 2026
Most tools do one thing. The best Whatnot bot does everything a live seller needs in one place: auto follow, follow back, auto unfollow, relisting, and crosslisting to 7 marketplaces, with safety controls built in.
Grows your audience
Auto follow, follow back and auto unfollow build the following that shows up to your live shows, on autopilot.
Safety built in
Human-like pacing, daily limits and schedules keep your follows and relists inside natural ranges, not robotic bursts.
Runs 24/7 in the cloud
It keeps working between shows, while you sleep, or out sourcing, so your Whatnot momentum never stalls.
Set It Once. Let Your Whatnot Shop Grow Itself.
These previews are the real Sidekick Tools app settings for Whatnot, running live on this page.
1 Whatnot Follow Bot
Auto Follow, Follow Back & Auto Unfollow
The follow bot grows the audience that powers your live shows. It follows active buyers so more people get notified when you go live, follows back new followers to keep them engaged, and unfollows non-reciprocal accounts to keep your ratio healthy.
- Auto Follow active buyers to expand your reach
- Follow Back everyone who follows your shop
- Auto Unfollow to protect your follow ratio
2 Whatnot Relist Bot
Auto Relist: Keep Aged Listings Selling
Your Whatnot marketplace listings get buried as new items are added. The relist bot reposts eligible aged items automatically so they resurface for buyers, with rules you control, and it can skip items that already have bookmarks so you keep buyer interest.
- Only relists aged items (minimum listing age of 15, 30 or 60 days)
- Staggers relists with a daily limit and a time-slot schedule
- Skips items with bookmarks so you never lose buyer interest
3 Crosslisting
Crosslist Whatnot to 7 Marketplaces
Your inventory shouldn’t be stuck on one app. Crosslist your Whatnot items to Poshmark, eBay, Mercari, Depop, Etsy, and Grailed in a few taps, then auto-delist when something sells so you never oversell.
- List once, sell across 7 marketplaces
- Auto-delist sold items to avoid double sales
- AI stock photos and a background remover included
4 Insights & more
See Your Whatnot Growth at a Glance
Track your whole Whatnot shop from one insights view: Follows, Follow Backs, Unfollows, Relists, Total Following, and Sales, updated as it happens, plus AI stock photos and a background remover for cleaner listings.
Is There a Free Whatnot Bot?
If you’re searching for a free Whatnot bot, here’s the honest truth: most “free” tools are local scripts that only run while your computer is on, and their aggressive behavior can put your account at risk.
Sidekick Tools gives you something better: a free 7-day trial of the full cloud bot. You get real, 24/7 follow, relist, and crosslisting automation that runs on our servers, not your device, with every feature unlocked. Try it all free, and if you love it, it’s just $29.99/month. Cancel anytime.
“Free” scripts
Only run while your computer is on, use robotic timing, and carry real account risk.
Sidekick free trial
Full cloud bot, 24/7 on our servers, every feature unlocked, human-like pacing.
Works on iPhone, Android, Mac & Desktop. Nothing to Download.
Because Sidekick Tools is cloud-based, your Whatnot bot runs on our servers 24/7, not on your phone or laptop. Manage it from an iPhone, Android, iPad, Mac, or any browser, Chrome included.
There’s no app to install and no script to babysit. Close the tab, put your phone away, and your shop keeps following, relisting, and growing without you.
Is It Safe? Are Whatnot Bots Allowed?
This is the question every seller asks first. Whatnot’s terms discourage aggressive automation, so account safety comes down to one thing: behaving like a human. That’s exactly how Sidekick Tools is engineered.
Human-like pacing
Follows, follow backs and relists run at natural intervals, so your activity looks like a real person, not a bot.
Daily limits & schedules
Cap how much runs per day and choose a time slot, so your activity stays inside safe, natural ranges.
Healthy ratios
Auto unfollow keeps your follow-to-following ratio balanced, so your growth looks organic as you scale.
No tool can promise zero risk, but safe, natural behavior is what protects your account, and it’s built into everything Sidekick Tools does. See the FAQ below for direct answers on bans, legality, and Whatnot’s policy.
Sidekick Tools vs Doing It by Hand
Growing a Whatnot audience by hand eats your day. Sidekick Tools does the same work on autopilot, at a safe pace.
- Auto follow active buyers all day to grow reach
- Follow back new followers automatically
- Auto unfollow to keep a healthy ratio
- Aged listings relist on a schedule
- One listing crosslists to 7 marketplaces
- Follows, follow backs and sales in one insights view
- Search and follow buyers one by one
- Check and follow back every new follower
- Manually prune who you follow
- Delete and relist each old item yourself
- Re-type each listing on every marketplace
- Piece your numbers together by hand
One Plan. Everything Included.
That’s cheaper than a single afternoon with a VA, and it never calls in sick, never needs training, and never quits.
- Auto follow, follow back and auto unfollow
- Auto relist with daily limits and schedules
- Crosslisting to 7 marketplaces
- Auto-delist sold items
- AI stock photos and background remover
- Whatnot insights and activity feed
Cancel anytime. Works on iPhone, Android and Mac.
Set Up Your Whatnot Bot in Minutes
No code. No scripts. No download. Your shop starts growing for you the moment you turn it on.
Connect your Whatnot
Sign in and link your Whatnot shop securely. It takes under a minute.
Choose your automations
Turn on Auto Follow, Follow Back, Auto Unfollow, and Auto Relist.
Let it run
Sidekick grows your audience and relists 24/7. That’s it.
What Sellers Are Saying
Real, unedited reviews from resellers on Trustpilot and Google Play, not stock quotes.
Love this app! My sales tripled and I love the silent auction option.
Brandi Kantz
Google Play · Verified
I have had Sidekick for 4 weeks. This was my best month in a long time. I’m very happy using Sidekick. Customer service is great!
Cary Chapman
Google Play · Verified
It has made crosslisting a breeze. I love the charts, stats, sale notifications and everything about this app. Service when I have a problem is very fast, usually within 30 minutes.
llilientschmidt
Trustpilot · Verified
Start Growing Your Whatnot Shop Today
Join thousands of resellers using the smartest Whatnot bot to grow followers, relist, and sell on autopilot. Set it up in minutes, keep your account safe, and watch your audience compound show after show.
✓ No credit card risk · Cancel anytime · Works on iPhone, Android & Mac
