GoSIM Promo Code: -5% Off (October 2026)
Our exclusive GoSIM promo code MYBESTSIM gives -5% off every GoSIM eSIM, tested and verified on October 10, 2026. Copy it, open the GoSIM store, and grab the discount in seconds.
How is the discount applied?
For example, a GoSIM plan at $43.99 drops to $41.79 with the promo code. The discount applies right on the GoSIM store, in seconds.
Hit “Copy”: the promo code MYBESTSIM lands straight in your clipboard.
“See GoSIM deals” pastes the promo code and opens the GoSIM site in a new tab.
When you pay, paste the promo code: -5% comes off the total instantly.
10 GB · 30 days$43.99
GoSIM (gosim.ch) offers prepaid eSIMs for over 200 destinations, delivered in about two minutes via QR code, without account creation. Ideal for keeping your main SIM card while enjoying 5G mobile data abroad, starting at $1.99.
Read our full GoSIM reviewMYBESTSIM: the best GoSIM promo code available, tested and verified
We regularly test GoSIM 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:
- ✓MYBESTSIMTested and confirmed on the official store-5% verified
- ✗GOSIMFREESeen on coupon sites — expired or invaliddoesn’t work
- ✗GOSIM50Seen 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 GoSIM code elsewhere, test it in the order summary: if it shows no discount, it doesn’t work. Prefer using a valid promo code like MYBESTSIM.