Firsty Promo Code: -15% Off (October 2026)
Our exclusive Firsty promo code MYBESTSIM15 gives -15% off every Firsty eSIM, tested and verified on October 10, 2026. Copy it, open the Firsty store, and grab the discount in seconds.
How is the discount applied?
For example, a Firsty plan at $43.99 drops to $37.39 with the promo code. The discount applies right on the Firsty store, in seconds.
Hit “Copy”: the promo code MYBESTSIM15 lands straight in your clipboard.
“See Firsty deals” pastes the promo code and opens the Firsty site in a new tab.
When you pay, paste the promo code: -15% comes off the total instantly.
10 GB · 30 days$43.99
Firsty revolutionizes global connectivity with its free ad-supported eSIM and affordable paid plans. Cover more than 200 countries without a physical SIM or hidden fees, perfect for travelers and digital nomads.
Read our full Firsty reviewMYBESTSIM15: the best Firsty promo code available, tested and verified
We regularly test Firsty promo codes to confirm they work, right at checkout on the official store. Here’s the best code currently available, verified on October 10, 2026. Beware: some codes floating around coupon sites give no discount, or a smaller discount than advertised:
- ✓MYBESTSIM15Tested and confirmed on the official store-15% verified
- ✗FIRSTYFREESeen on coupon sites — expired or invaliddoesn’t work
- ✗FIRSTY50Seen on coupon sites — expired or invaliddoesn’t work
- ✗WELCOME10Seen on coupon sites — expired or invaliddoesn’t work
Last checked: October 10, 2026. If you’re offered another Firsty code elsewhere, test it in the order summary: if it shows no discount, it doesn’t work. Prefer using a valid promo code like MYBESTSIM15.