# OTPBox vs PairSMS Verification Code

The clearest difference is in-app purchases: PairSMS Verification Code at none against OTPBox's 9. PairSMS Verification Code also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. OTPBox sells 9 one-off in-app purchases. PairSMS Verification Code asks for nothing beyond the download.

OTPBox ships an update every 2 weeks, PairSMS Verification Code every 3 weeks. The most recent releases landed on September 25, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | OTPBox | PairSMS Verification Code |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 60 MB | 28 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Maiya Shrestha](https://appshunter.io/developer/1831035208) | [Granit Sadiku](https://appshunter.io/developer/1653121875) |

## What reviewers say

### OTPBox

[App page](https://appshunter.io/ios/app/otpbox-virtual-number-sms/id6754185967)

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $2.99 | one-time |
| 1 Month - 5 Credits | $6.99 | one-time |
| 1 Months- 10 Credits | $9.99 | one-time |
| 3 Months - 12 credits | $12.99 | one-time |
| 3 Months - 22 credits | $21.99 | one-time |
| 6 Months - 23 credits | $24.99 | one-time |
| 6 Months - 33 credits | $32.99 | one-time |
| 1 Year - 60 credits | $99.99 | one-time |
| 1 Year - 102 credits | $101.99 | one-time |


### PairSMS Verification Code

[App page](https://appshunter.io/ios/app/pairsms-verification-code/id6781683365)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is OTPBox free?

OTPBox is free to download, with in-app purchases available.

### Is PairSMS Verification Code free?

PairSMS Verification Code is free to download, with no in-app purchases.

### Do OTPBox or PairSMS Verification Code have ads?

OTPBox shows ads; PairSMS Verification Code does not.

### Which is updated more often, OTPBox or PairSMS Verification Code?

OTPBox ships an update every 2 weeks, and PairSMS Verification Code every 3 weeks. Most recently, OTPBox was updated on September 25, 2026 and PairSMS Verification Code on September 22, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*