NexNum wins on 7/8 features

NexNum vs OnlineSIM

Name: NexNum
Address: IN
Price range: ₹₹

Honest feature-by-feature comparison. See why users are switching from OnlineSIM to NexNum for virtual phone numbers and OTP verification.

~5 second OTP delivery

100% auto-refund

UPI + INR native

Feature comparison

Feature

NexNum

OnlineSIM

Pay per use (no subscription)

Auto-refund on failed OTP

UPI / INR support

Services available

500+

250+

Modern REST API

Zero KYC

Countries available

190+

100+

Average OTP delivery

~5s

~12s

Common OnlineSIM issues reported by users

Subscription model — pay monthly even when not using

No UPI for Indian users

Manual refund process

Older API with limited documentation

NexNum solves all of these

100% automatic instant refund — no support tickets

Native UPI & INR billing — no USD conversion fees

Modern, clean interface — no learning curve

500+ services, 190+ countries — largest catalog

Why users switch to NexNum

100%

refund rate

Instant auto-refund

If no OTP arrives, your balance is restored immediately. No waiting for support. No manual claims.

₹2

starting price

Pay in INR with UPI

No USD conversion fees. Pay directly from GPay, PhonePe, or Paytm. Crypto accepted too.

~5s

avg delivery

Lightning-fast OTP

Average delivery time of ~5 seconds. Real carrier numbers, not recycled VoIP.

Frequently asked questions

Is NexNum better than OnlineSIM?

NexNum wins on 7 out of 8 key features compared to OnlineSIM. Key advantages include 100% automatic refund guarantee, native UPI/INR support, and faster average OTP delivery (~5 seconds). See the full feature comparison above.

Is NexNum cheaper than OnlineSIM?

NexNum's pricing starts from ₹2.00 per verification. OnlineSIM's comparable pricing is $0.10–$0.50. NexNum also supports INR billing and UPI payments, avoiding USD conversion fees that Indian users face on OnlineSIM.

Does NexNum offer more services than OnlineSIM?

NexNum supports 500+ services across 190+ countries. OnlineSIM supports 250+ services across 100+ countries. NexNum's catalog includes all major platforms like WhatsApp, ChatGPT, Telegram, Instagram, and more.

What happens if I don't receive an OTP on NexNum?

NexNum provides a 100% automatic refund guarantee. If no SMS arrives within the activation window, your full balance is instantly returned — no support ticket required. OnlineSIM does not offer automatic refunds.

Can I switch from OnlineSIM to NexNum easily?

Yes. NexNum requires no subscription or commitment. Simply create a free account, add balance via UPI, crypto, or card, and start receiving OTP codes immediately. No migration from OnlineSIM is needed — just start using NexNum for your next verification.

Ready to switch from OnlineSIM?

No subscription. No commitment. Just sign up, add balance, and get your first OTP in 5 seconds.

Start Free on NexNum