Roamless promo code or referral code — you only get one
Update, October 21, 2026: Roamless’s refer-a-friend and promo-code pages now advertise $10 for each side, while its help centre and app-store listings still say $5 — and our last checkout test (September 5) applied $5. Until we re-test, trust the REFERRAL line in your purchase summary: it shows the amount that actually applies, before you pay.
The rule
Roamless’s documentation states the rule three different ways across three pages: “cannot be combined”, “choose one at checkout”, and “only the highest reward value will be added”. What they agree on is the part that matters: not on the same purchase.
That is narrower than “pick one and lose the other”, which is what most guides — and an earlier version of this page — said. The two rewards attach to different things: the referral is one-shot per device, a promo code applies per purchase. So the usual best play is not a choice at all.
The arithmetic
The referral is a flat US$5. A promo is usually a percentage. So:
| Your first top-up | Referral (flat US$5) | 20% promo | Better |
|---|---|---|---|
| US$10 | $5.00 | $2.00 | Referral |
| US$20 | $5.00 | $4.00 | Referral |
| US$25 | $5.00 | $5.00 | Even |
| US$50 | $5.00 | $10.00 | Promo |
| US$100 | $5.00 | $20.00 | Promo |
With a 20% promo the break-even is US$25; with WEB101’s 10% it is US$50. Adjust it for whatever
percentage you actually have: the referral wins below 5 ÷ (percentage), the promo wins above it. If
Roamless’s newer $10 figure turns out to be what applies (see the note at the top), double the
referral column — the break-even against WEB101 becomes US$100.
The better play: both, in order
The two rewards attach to different purchases, so the sequence usually beats the choice. Which order depends on the promo:
- A promo you can use any time (most percentage codes): use the referral code on a first top-up of at least US$5 — you get US$5, and so does whoever referred you — then use the promo on a later, larger purchase.
- A first-purchase-only promo, like WEB101 (10% off, on Roamless’s homepage as of October 21, 2026): the order flips. Use the promo on your first purchase, then make another purchase of at least US$5 with the referral code within 30 days of signing up. Roamless’s help centre says this works: “If a promo code is used instead of a referral code during the initial purchase, users can still receive the referral reward by completing another qualifying purchase of at least $5 within 30 days of signing up.” We have not tested this order ourselves.
You end up with the referral reward and the promo discount, just not on the same transaction. Roamless’s Campaign Terms note that where offers do collide, “only the highest reward value will be added” — so this only fails if you try to stack them on one purchase.
Two things the table does not capture
The referral pays someone else too. US$5 also goes to whoever referred you. If that matters to you — you were sent here by a friend, say — it is worth US$10 between you rather than US$5 to you.
The referral is one-shot per device; promos are not. A referral code can only be entered once on a device, so if you use it you have used it. Most promo codes apply per purchase and stay available for later top-ups — first-purchase-only codes such as WEB101 are the exception. If you are planning several trips, spending the referral on the first small top-up and keeping promos for the large ones is usually the better order.
Where each one goes
In the same box. On Roamless’s web checkout there is one “Promo code” field for both kinds of code — we screenshotted a referral applying there on September 5, 2026 — and in the app the option reads “Redeem your referral/promo code”. One box is also why you cannot stack them on a single purchase.
An earlier version of this section said referral codes go only in the app, before the first purchase. Our September 5 checkout test disproved that and the other pages were corrected that day; this section was missed until October 21, 2026.
How we checked this
Roamless’s own support documentation states the no-combining rule, the US$5 referral amount (its refer-a-friend and promo-code pages said $10 by October 21, 2026 — see the note at the top), the US$5 minimum purchase, the 30-day window and the promo-first sequence. WEB101 is quoted from Roamless’s homepage as checked on October 21, 2026. The other percentages in the table are illustrative arithmetic, not a claim about any specific promo — promo values change, and we do not publish promo amounts we have not verified on the day. How we verify.
Frequently asked questions
Can I use both a Roamless promo code and a referral code?
No. Roamless states that referral and promo codes cannot be combined and that you must choose one at checkout before payment.
Which one should I pick?
Work out what the promo is worth on your actual top-up. A flat US$5 referral beats a 20% promo on anything under US$25, and Roamless's own WEB101 (10% off a first purchase) on anything under US$50; above that the promo pulls ahead. And the referral also pays US$5 to the person who referred you, which a promo does not.
Can I use a referral code now and a promo code later?
Yes. The referral code can only be entered once per device, so it is a one-time decision on that phone, but most promo codes apply per purchase and stay available for later top-ups. First-purchase-only codes such as WEB101 are the exception — for those, use the promo first and the referral on a later purchase.