5SIM vs Quackr
It is a trade-off. Quackr has the higher Safety grade (5.2 against 5.0), while 5SIM has the higher Privacy grade (5.8 against 5.1).
5SIM
Low-cost virtual numbers for one-off SMS verification
Privacy
5.8/ 10
Fair
Safety
5.0/ 10
Caution
No ID mentioned KYC 1 Docs reviewed Full review →
Quackr
Free shared temporary numbers and paid private non-VoIP number rentals
Privacy
5.1/ 10
Caution
Safety
5.2/ 10
Caution
No ID mentioned KYC 1 Docs reviewed Full review →
Side by side
| 5SIM | Quackr | |
|---|---|---|
| Category | Phone Numbers & SMS | Phone Numbers & SMS |
| KYC policy | No ID mentioned | No ID mentioned |
| Custody | N/A | N/A |
| Sign-up | Email required | Email required |
| Open source | No | No |
| Tor onion address | No | No |
| Pay with | Not published | Card, PayPal, Crypto |
| Fees | Numbers advertised from $0.008 each | Public numbers free; private number pricing not confirmed during this review |
| Founded | Not published | 2020 |
| Jurisdiction | Not published | Hong Kong |
| Incidents on record | 0 | 0 |
| Published tests (180 days) | 0 | 0 |
Only 5SIM
Nothing distinct
Both
Requires email
Only Quackr
AML screeningLegal entity disclosed
Where they sit among phone numbers & sms
Questions
Is 5SIM or Quackr safer?
Quackr has the higher Safety grade: 5SIM 5.0, Quackr 5.2, out of 10.
Does 5SIM or Quackr require KYC?
5SIM is KYC level 1 (no ID mentioned). Quackr is KYC level 1 (no ID mentioned).
Which has more incidents on record?
5SIM has 0 and Quackr has 0 documented incidents in the registry.