01
Log Your Collection
Photograph every shirt from any club or nation, any era. Add the season, kit, brand and condition.
200Badges to Unlock
1,000+Collectors
4League Seasons a Year
ยฃ0To Download
Football Shirt Collection App
Built for
Built for
Shirt Collectors.
Whether you've got two shirts or two hundred, MJK turns your collection into something you can track, grow and show off.
02
Unlock 200 Badges
Earn badges as your collection grows, from your first shirt to rare finds, plus secret ones to hunt down.
03
Climb the MJK League
Compete with collectors every quarter, with end-of-season awards for the best collections.
04
Meet Collectors
Discover collections in The Floodlights, add friends, chat and comment on each other's shirts.
For Mystery Box Subscribers
Opened Your Box?
Opened Your Box?
Log It.
Open your box, snap your shirt and add it to your collection in seconds. Every shirt you pull deserves a place in your collection.
- Link your subscription to see your plan and next box
- Filter your collection by MJK boxes
- Unlock badges with every new shirt
- Show off what you pulled to other collectors
Open.
Snap.
Log.
Link your Mystery Jersey King subscription and your plan and next box sit right in the app, next to every shirt you have pulled so far.
Free vs MJK Pro
Free to Collect.
Free to Collect.
Pro to Go Further.
Everything you need to log and share your collection is free. MJK Pro is an optional upgrade for serious collectors.
| What You Get | Free | Pro |
|---|---|---|
| Log your shirts | ||
| Up to 6 photos per shirt | โ | |
| Badges, XP and the MJK League | ||
| Friends, chat and comments | ||
| Collection stats | โ | |
| Advanced filters | โ | |
| Private notes | โ | |
| Export your collection | โ | |
| 4 Pro photo badges | โ | |
| Gold profile frame | โ |
ยฃ3.99 / month
Upgrade in the app ยท Cancel anytime in your App Store or Google Play settings
Questions
Good to Know.
Is the app free?
Yes. Logging shirts, badges, the MJK League, friends and chat are all free. MJK Pro is an optional monthly upgrade.
Which phones does it work on?
iPhone and Android. Download it free from the App Store or Google Play.
Do I need a mystery box subscription?
No. Anyone who collects football shirts can use the app. If you do subscribe, you can link your subscription to see your plan and next box.
Can I keep my collection private?
Yes. You choose whether your collection is public or private, and private shirts are never shown to other collectors.
How do I delete my account?
In the app, go to Account > Delete account. You can also follow the steps on our account deletion page.
