Firsty Offers, Discounts and Promo Codes
The best Firsty promo code available right now is MSCFRST20 for 20% off eligible Firsty plans. Make sure the discount appears at checkout before paying.
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Who can use these offers
| Stacking | Offers cannot be combined unless an offer says otherwise |
|---|---|
| Minimum spend | No minimum spend on current offers |
Built from the terms recorded against each current offer. Anything we have not confirmed is left out rather than guessed at. How we verify offers.
Savings intelligence
Is 20% off Firsty any good?
It is one of the best.
1 of the 44 eSIM brands we track are offering more than 20% today. The biggest is BNESIM at 30%.
Every eSIM discount we track today, and where Firsty sits
One dot per brand, 44 compared. Stacked dots are brands offering the same amount.MSCFRST20
20% off. No eligibility restriction recorded.
The cheapest Firsty plan, with this offer applied.
Someone on the team put it through a real checkout. Every live offer here is rechecked monthly.
Every current Firsty plan, with the final price after this code.
See Firsty prices →Firsty promo code questions
Which promo code gives the best current Firsty offer?
MSCFRST20 is the first Firsty code to try. The current offer is 20% off.
Who can use the current Firsty offer?
No customer restriction is recorded for the leading offer. Check the displayed terms before paying.
When was the current Firsty offer checked?
Its current status is Verified by ESD team. The latest check recorded for this offer is October 7, 2026.
Why is Firsty rejecting the promo code?
Check the customer eligibility, included plans, minimum spend and whether the code must be used on the website or in the app. Confirm the total falls before paying.