# Si4Keyboard vs Verify SMS

The clearest difference is price: Verify SMS at Free against Si4Keyboard's $0.99. Verify SMS also leads on update cadence (every 4 days vs fortnightly). Si4Keyboard's advantage is in-app purchases (none vs 7). On ads, device support and iOS requirement there is nothing between them.

Verify SMS is free to download; Si4Keyboard costs $0.99 up front. Verify SMS sells 7 one-off in-app purchases. Si4Keyboard asks for nothing beyond the download.

Si4Keyboard ships an update fortnightly, Verify SMS every 4 days. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Si4Keyboard | Verify SMS |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.3 (12 ratings)](https://appshunter.io/ios/app/verify-sms-virtual-number/id6759080670/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 14 MB | 22 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [文焕 陈](https://appshunter.io/developer/1810161184) | [SERHAT DOGAN](https://appshunter.io/developer/1833722340) |

## What reviewers say

### Si4Keyboard

[App page](https://appshunter.io/ios/app/si4keyboard/id6745263713)

**Features:** macOS Compatibility

**In-app purchases:** none


### Verify SMS

[App page](https://appshunter.io/ios/app/verify-sms-virtual-number/id6759080670)

Receive SMS verification codes online without revealing your personal phone number. Get instant virtual numbers from over 200 countries for hundreds of services, with a fast refund guarantee if codes aren't received.

**Highlights:** Instant virtual phone numbers, SMS codes for 700+ services, 200+ countries supported, Automatic 2-minute refund guarantee, Pay-as-you-use credit system, Zero advertisements, Real privacy protection

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Dollar Credits | $0.99 | one-time |
| 3 Credits | $2.99 | one-time |
| 5 Dollar Credits | $4.99 | one-time |
| 10 Dollar Credits | $9.99 | one-time |
| 20 Dollar Credits | $19.99 | one-time |
| 50 Dollar Credits | $49.99 | one-time |
| 100 Dollar Credits | $99.99 | one-time |


## Frequently asked questions

### Is Si4Keyboard free?

Si4Keyboard costs $0.99, with no in-app purchases.

### Is Verify SMS free?

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

### Do Si4Keyboard or Verify SMS have ads?

Neither Si4Keyboard nor Verify SMS shows ads.

### Which is updated more often, Si4Keyboard or Verify SMS?

Si4Keyboard ships an update fortnightly, and Verify SMS every 4 days. Most recently, Si4Keyboard was updated on November 8, 2026 and Verify SMS on November 5, 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.*