5Sim is a cheap SMS verification service aimed at developers and bulk users hunting the lowest price per code. The catch: most of its phone numbers are VoIP, so SMS delivery on strict services is shaky. Our take: a budget option with real trade-offs. 3.4/5.
Pricing on 5Sim is among the lowest you'll find. One-time codes for low-demand online services start from about $0.008. Google/YouTube activations sit around $0.04, WhatsApp around $0.06, Telegram around $0.10. The catch is the number type. Mostly VoIP phone numbers mean a meaningful share of SMS verification codes never arrive, and you burn time retrying instead of saving money.
| Plan / use | Typical price | Notes |
|---|---|---|
| One-time code (cheapest, low-demand) | from ~$0.008 | Single SMS; price moves with availability |
| ~$0.06 | One-time activation | |
| Google / YouTube | ~$0.04 | One-time activation |
| Telegram | ~$0.10 | One-time activation |
Prices on every activation service shift with real-time number availability. Always check the live price for your exact service and country before topping up.
The 5Sim dashboard is a plain web panel. Pick a country, pick a service, get a phone number, and watch the inbox for the SMS. Balance, history, and API keys live in the account menu. Most actions also work through the API, which is what bulk users actually use.
5Sim has phone numbers from 180+ countries. Prices move up and down with availability. Cheap, high-supply countries are fine for low-stakes online services. Strict services like WhatsApp or Telegram usually require a pricier region to get a usable virtual number. Residents of the US and Russia cannot use 5Sim at all.
5Sim is prepaid. You top up a balance and spend it per activation. Payment methods include cards, crypto, Payeer, QIWI, FK Wallet, and UnitPay, which helps if you're outside mainstream card rails. Two things to know: the balance is not transferable between accounts, and an account is deleted after one year of inactivity. Don't park large sums on 5Sim long-term.
Our SMS ActiveR test team ran 5Sim through a 5 countries by 5 services test, 30 attempts per service. We measured delivery rate, median time to receive the code, the share of phone numbers flagged as already used, and the pass rate for WhatsApp, Telegram, Google, and two secondary online services. Every number was bought through the normal paid flow on 5Sim. We mixed cheap and mid-tier countries, and retried failed activations to see how often a second try fixed the problem.
| Metric | SMS Verification Number | 5Sim |
|---|---|---|
| Delivery rate (codes received) | High, carrier-grade reliability on real SIM phone numbers | Inconsistent; mostly VoIP phone numbers miss codes on strict services |
| Median delivery time | Codes arrive in seconds | Often within the 5-30 minute window, or never |
| "Number already used" rate | Low; private single-tenant inbox per rental | Higher on cheap pools, since virtual numbers cycle through many users |
| Service pass rate (TG / WA / Google) | Strong across WhatsApp, Telegram, and Google | Mixed; WhatsApp and Telegram frequently reject the phone number |
| Number type (real SIM vs VoIP) | Real SIM-based, non-VoIP numbers that pass when free VoIP fails | Mostly VoIP |
| Charged only for delivered codes | Yes, you only pay when a verification code actually arrives | Refund only if no SMS in ~5 min or on cancel; banned-account losses are on you |
SMS Verification Number is our top-rated pick, so we use it as the reference column. The numbers come from our own hands-on testing above; a competitor's availability changes over time, so your results may vary.
Comparable providers from our independent index. We list our top-rated pick first, then close alternatives. Compare and choose what fits your task.
Private, exclusive numbers across 200+ countries for WhatsApp, Telegram and 1,000+ apps. Low per-code pricing, repeated SMS, API, and the widest payment list. Our top-rated provider overall.
Across 30 WhatsApp attempts on 5Sim we saw a clear pattern: the cheapest phone numbers almost never received the SMS, and the mid-tier countries needed two or three retries to land one verification code.
— SMS ActiveR test team · WhatsApp · 30 attemptsTelegram and Google activations went through more often than WhatsApp, but the 5-30 minute receive window on 5Sim punished us whenever the online service queued the SMS verification code for longer.
— SMS ActiveR test team · Telegram + Google · 30 attempts each5Sim wins on price and country coverage. It loses on delivery, because the phone numbers are mostly VoIP, the SMS window is only 5 to 30 minutes, and you can't ask for a repeat SMS. Providers that use real SIM phone numbers beat it on first-try delivery. Pick 5Sim when cost matters more than the code actually arriving. Pick a SIM-based service when the verification has to land.
5Sim is a paid SMS activation service that sells temporary virtual numbers from 180+ countries through a web dashboard and a public API. It targets developers who automate sign-ups and power users who register many accounts on services like WhatsApp, Telegram, and Google, and who care about unit cost more than premium delivery. 5Sim numbers are mostly VoIP, so the catalog is broad and cheap, but SMS delivery on strict services is hit-or-miss.
5Sim is a long-running paid SMS activation service, so the platform itself is functional, but the phone numbers are mostly VoIP. That means some online services will detect the virtual number and reject the SMS verification code, especially on WhatsApp and other strict apps.
5Sim pricing is among the cheapest in the market: one-time codes for low-demand services start around $0.008, Google/YouTube sit near $0.04, WhatsApp around $0.06, and Telegram around $0.10 per activation.
It works sometimes. Because 5Sim phone numbers are mostly VoIP, WhatsApp in particular often refuses to send the SMS. Telegram is more forgiving, but you should expect to retry and budget for failed attempts.
No. 5Sim does not support repeat SMS on the same phone number, so you cannot use it for re-login, password resets, or ongoing 2FA on the same account.
5Sim is not available to residents of the US and Russia. It is also a poor fit for anyone who needs guaranteed delivery on the first try; for that, a real SIM-based provider like SMS Verification Number is the safer pick.