UPDATE: 2/20 - We are bad at maths. Apologize for the confusion.
Sticker Mule Is Used By Everyone.
In the sticker community, Sticker Mule is the most popular place to go get stickers printed. We, at Stickerrs, conducted a simple analysis using what we heard through word of mouth, as well as web traffic data (seen below) to confirm our claims.

Sticker Mule vs. Sticker You vs. Sticker Giant vs. Sticker App vs. Sticker Robot vs. Stickerfied vs. Stickemup vs. Sticker Karma
Below, we look at the 'specs' of 6 alternatives to the mule.
Instagram followers: 8,307
Pricing: 4"x3"
• 250 stickers cost $145.85 -- $0.58 per sticker
Additional info:
•Sticker You has both an affiliate program where you get paid if you recommend Sticker You to your friends, and your friends make a purchase.
•Sticker You also has a reseller program where if you apply and are invited you would get a 15% off coupon that does not expire.
Instagram followers: 18,800
Pricing: 4"x3"
• 200 stickers cost $120 (with free shipping) -- $0.6 per sticker
Additional info:
• Stickerfied can also print eggshell stickers.
• Stickerfied can also print stickers that you can write on.
Instagram followers: 2,897
Pricing: We chose to do die-cut stickers at 4 inches wide by 3 inches tall.
• 200 stickers cost $122 (with free shipping) -- $0.61 per sticker
Additional Info:
• Sticker Karma only uses latex ink which is free from harmful neurotoxic solvents.
Instagram followers: 12,400
Pricing: 4"x3"
• 250 stickers cost $160.43 (includes free shipping & overnight printing) -- $0.64 per sticker
Additional info:
•Sticker Giant has coupons that anybody can use...
Instagram followers: 18,400
Pricing: We chose 4" inches width by 4" inches tall (there isn't an option for 4x3)
• 200 stickers cost $157 (98.5 for the stickers & 58.5 for shipping) -- $1.27 per sticker
*** WAITING FOR PRICE UP DATE FROM STICK 'EM UP***
Additional Info:
Stick 'Em Up can also print eggshell stickers.
Instagram followers: 75,900
Pricing: 4"x3"
• 200 stickers cost $144 (with free shipping) -- $0.72 per sticker
Additional info:
• Sticker Mule offers multiple design discounts.
^^ This might be the reason it stands out from the rest.
Instagram followers: 33,800
Pricing: 4"x3"
• 250 stickers cost $198 (with free shipping) -- $0.79 per sticker
Additional info:
• You can save $5 if you choose to let Sticker Robot print their ads on the back of your stickers.
Price Rankings:
Sticker You -- $0.58
Stickerfied -- $0.6
Stick 'Em Up -- $1.27
Sticker Giant -- $0.64
Sticker Karma -- $1.57
Sticker Mule -- $0.72
Sticker Robot -- $0.79
Follow us on Instagram to see the trouble we get into.