# Best San Marino eSIM (Nov 2026): 9 brands compared

Updated 5 November 2026 (Istanbul). Written by Inbox eSIM, which sells eSIMs: our prices are live, every other brand's price was read on its own site on the date shown (5 Nov 2026), and we say where a rival is cheaper. Full page: https://inboxesim.com/compare/san-marino

## The answer

9 brands, the same data side by side. For 5 GB lasting a month the lowest price today is MegaEsim at $3.33. Among the 3 brands whose rules we checked, the lowest with no app or account is ours at $4.29. Rival prices read 5 Nov 2026.

## Cheapest by size

| Data and days | Cheapest | Next | Inbox eSIM | Where cheaper, what ours adds | Brands |
|---|---|---|---|---|---|
| 5 GB for at least 30 days | MegaEsim $3.33 | SparkRoam $3.69 | $4.29 (#3 of 8) | MegaEsim is $0.96 less; ours: no account needed | 8 |
| 1 GB for at least 7 days | MegaEsim $1.29 | SparkRoam $1.34 | $2.39 (#7 of 9) | MegaEsim is $1.10 less; ours: no account needed | 9 |
| 3 GB for at least 30 days | MegaEsim $2.24 | SparkRoam $2.68 | $3.49 (#3 of 8) | MegaEsim is $1.25 less; ours: no account needed | 8 |
| 10 GB for at least 30 days | MegaEsim $5.99 | SparkRoam $6.16 | $7.19 (#3 of 9) | MegaEsim is $1.20 less; ours: no account needed | 9 |
| 20 GB for at least 30 days | SparkRoam $12.35 | MegaEsim $12.66 | $14.49 (#4 of 9) |  | 9 |
| Unlimited or daily data for 7 days | Lempart Flex $5.99 | MegaEsim $6.17 | $21.90 (#4 of 4) |  | 4 |

## 5 GB for at least 30 days, cheapest first

| Brand | Data | Days | Price (USD) | Read | Where |
|---|---|---|---|---|---|
| MegaEsim | 5 GB | 30 | $3.33 | 5 Nov 2026 | https://megaesim.com/san-marino-esim/ |
| SparkRoam | 5 GB | 30 | $3.69 | 5 Nov 2026 | https://sparkroam.com/esim/europe-esim-100gb-180d |
| Inbox eSIM (ours) | 5 GB | 30 | $4.29 | live | https://inboxesim.com/san-marino |
| eSIMfly | 5 GB | 30 | $4.97 | 5 Nov 2026 | https://esimfly.net/esim/san-marino |
| Lempart Flex | 5 GB | 30 | $5.49 | 5 Nov 2026 | https://lempart.app/plans/san-marino-esim |
| ESIM0 | 5 GB | 30 | $5.99 | 5 Nov 2026 | https://esim0.com/en/products/esim-san-marino |
| Skyalo | 5 GB | 30 | $5.99 | 5 Nov 2026 | https://skyalo.com/esim/san-marino |
| Wanderly | 5 GB | 30 | $5.99 | 5 Nov 2026 | https://getwanderly.com/destinations/san-marino |

## 1 GB for at least 7 days, cheapest first

| Brand | Data | Days | Price (USD) | Read | Where |
|---|---|---|---|---|---|
| MegaEsim | 1 GB | 7 | $1.29 | 5 Nov 2026 | https://megaesim.com/san-marino-esim/ |
| SparkRoam | 1 GB | 7 | $1.34 | 5 Nov 2026 | https://sparkroam.com/esim/europe-esim-100gb-180d |
| Skyalo | 1 GB | 7 | $1.71 | 5 Nov 2026 | https://skyalo.com/esim/san-marino |
| eSIMfly | 1 GB | 7 | $1.88 | 5 Nov 2026 | https://esimfly.net/esim/san-marino |
| ESIM0 | 1 GB | 7 | $1.99 | 5 Nov 2026 | https://esim0.com/en/products/esim-san-marino |
| Wanderly | 1 GB | 7 | $1.99 | 5 Nov 2026 | https://getwanderly.com/destinations/san-marino |
| Inbox eSIM (ours) | 1 GB | 7 | $2.39 | live | https://inboxesim.com/san-marino |
| Lempart Flex | 1 GB | 7 | $2.99 | 5 Nov 2026 | https://lempart.app/plans/san-marino-esim |

## 3 GB for at least 30 days, cheapest first

| Brand | Data | Days | Price (USD) | Read | Where |
|---|---|---|---|---|---|
| MegaEsim | 3 GB | 30 | $2.24 | 5 Nov 2026 | https://megaesim.com/san-marino-esim/ |
| SparkRoam | 3 GB | 30 | $2.68 | 5 Nov 2026 | https://sparkroam.com/esim/europe-esim-100gb-180d |
| Inbox eSIM (ours) | 3 GB | 30 | $3.49 | live | https://inboxesim.com/san-marino |
| eSIMfly | 3 GB | 30 | $3.70 | 5 Nov 2026 | https://esimfly.net/esim/san-marino |
| ESIM0 | 3 GB | 30 | $3.99 | 5 Nov 2026 | https://esim0.com/en/products/esim-san-marino |
| Wanderly | 3 GB | 30 | $3.99 | 5 Nov 2026 | https://getwanderly.com/destinations/san-marino |
| Lempart Flex | 3 GB | 30 | $4.49 | 5 Nov 2026 | https://lempart.app/plans/san-marino-esim |
| Skyalo | 3 GB | 30 | $4.80 | 5 Nov 2026 | https://skyalo.com/esim/san-marino |

## 10 GB for at least 30 days, cheapest first

| Brand | Data | Days | Price (USD) | Read | Where |
|---|---|---|---|---|---|
| MegaEsim | 10 GB | 30 | $5.99 | 5 Nov 2026 | https://megaesim.com/san-marino-esim/ |
| SparkRoam | 10 GB | 30 | $6.16 | 5 Nov 2026 | https://sparkroam.com/esim/europe-esim-100gb-180d |
| Inbox eSIM (ours) | 10 GB | 30 | $7.19 | live | https://inboxesim.com/san-marino |
| Lempart Flex | 10 GB | 30 | $7.99 | 5 Nov 2026 | https://lempart.app/plans/san-marino-esim |
| Wanderly | 10 GB | 30 | $7.99 | 5 Nov 2026 | https://getwanderly.com/destinations/san-marino |
| eSIMfly | 10 GB | 30 | $8.95 | 5 Nov 2026 | https://esimfly.net/esim/san-marino |
| ESIM0 | 10 GB | 30 | $9.99 | 5 Nov 2026 | https://esim0.com/en/products/esim-san-marino |
| Skyalo | 10 GB | 30 | $9.99 | 5 Nov 2026 | https://skyalo.com/esim/san-marino |

## 20 GB for at least 30 days, cheapest first

| Brand | Data | Days | Price (USD) | Read | Where |
|---|---|---|---|---|---|
| SparkRoam | 20 GB | 30 | $12.35 | 5 Nov 2026 | https://sparkroam.com/esim/europe-esim-100gb-180d |
| MegaEsim | 20 GB | 30 | $12.66 | 5 Nov 2026 | https://megaesim.com/san-marino-esim/ |
| Wanderly | 20 GB | 30 | $13.99 | 5 Nov 2026 | https://getwanderly.com/destinations/san-marino |
| Inbox eSIM (ours) | 20 GB | 30 | $14.49 | live | https://inboxesim.com/san-marino |
| Lempart Flex | 20 GB | 30 | $14.49 | 5 Nov 2026 | https://lempart.app/plans/san-marino-esim |
| eSIMfly | 20 GB | 30 | $14.92 | 5 Nov 2026 | https://esimfly.net/esim/san-marino |

## Unlimited or daily data for 7 days, cheapest first

| Brand | Data | Days | Price (USD) | Read | Where |
|---|---|---|---|---|---|
| Lempart Flex | 1 GB a day, then 128 kbps | 7 | $5.99 | 5 Nov 2026 | https://lempart.app/plans/san-marino-esim |
| MegaEsim | 1 GB a day, then 1 Mbps | 7 | $6.17 | 5 Nov 2026 | https://megaesim.com/san-marino-esim/ |
| ESIM0 | 1 GB a day, then 1 Mbps | 7 | $13.99 | 5 Nov 2026 | https://esim0.com/en/products/esim-san-marino |
| Inbox eSIM (ours) | 3 GB a day at full speed, then 1 Mbps | 7 | $21.90 | live | https://inboxesim.com/san-marino |

## How the brands work

What each brand's own pages say (3 of 9 brands checked; the rest: see their sites).

| Brand | App or account | When days start | Refunds | Top-ups |
|---|---|---|---|---|
| Inbox eSIM (ours) | None: no app and no account | When the eSIM first connects to a network in a covered country | Unused and never installed: refund to the card within 30 days, less the card fee (no card fee within 14 days in the EU and UK) | Yes, on the same eSIM, from the order page |
| eSIMfly | Buy on the website or in the app; the QR comes by email and in your account. The pages do not say whether sign-up is needed. | Not checked by us | Full refund for an unactivated eSIM within 30 days, to the original method; instant-activation plans are not refundable. | Yes, where available: buy a top-up in your account on the app or website. |
| MegaEsim | Account required to buy, on the website or the app; the QR is emailed and kept under My eSIMs. | Not checked by us | Full refund for any reason within 6 months, installed or not, to the original method in 3 to 5 business days; plans with a phone number excluded. | Yes: log in, open My eSIMs and choose Top Up; data is added to the same eSIM, except some daily unlimited plans. |

Our San Marino packs connect to TIM, Wind, TIM maritime, Iliad.

## Method and data

- How the prices are read, and which brands are not: https://inboxesim.com/compare/method
- Every plan on the page as open data (CC BY 4.0): https://inboxesim.com/compare/data/san-marino.csv and https://inboxesim.com/compare/data/san-marino.json
- Our San Marino packs: https://inboxesim.com/san-marino
- Every pack where we are the cheapest of the brands we read: https://inboxesim.com/compare/cheapest
- Ready views of this comparison: no app or account, 14 days https://inboxesim.com/compare/san-marino?days=14&noapp=1 · local internet exit https://inboxesim.com/compare/san-marino?local=1 · heavy use, 7 days https://inboxesim.com/compare/san-marino?days=7&use=heavy · 5G https://inboxesim.com/compare/san-marino?5g=1 · under $10 https://inboxesim.com/compare/san-marino?max=10 · with regional plans https://inboxesim.com/compare/san-marino?reg=1