# Sim PRO vs WAO

The clearest difference is ads: Sim PRO at none against WAO's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sim PRO ships an update every 6 weeks, WAO monthly. The most recent releases landed on June 4, 2026 and May 19, 2026 respectively.

## The numbers

| Metric | Sim PRO | WAO |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 55 MB | 69 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bentic, JSC.](https://appshunter.io/developer/1196587398) | [B.O.N TECHNOLOGY SOLUTIONS COMPANY LIMITED](https://appshunter.io/developer/1664687025) |

## What reviewers say

### Sim PRO

[App page](https://appshunter.io/ios/app/sim-pro/id1535142522)

Discover and purchase beautiful phone numbers from major Vietnamese carriers. This app offers competitive pricing, fast delivery, and dedicated customer support for sim enthusiasts.

**Highlights:** Millions of phone numbers, Major Vietnamese carriers, Competitive pricing, Fast delivery, Dedicated customer support

**Features:** macOS Compatibility

**In-app purchases:** none


### WAO

[App page](https://appshunter.io/ios/app/wao/id6739204708)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sim PRO free?

Sim PRO is free to download, with no in-app purchases.

### Is WAO free?

WAO is free to download, with no in-app purchases.

### Do Sim PRO or WAO have ads?

WAO shows ads; Sim PRO does not.

### Which is updated more often, Sim PRO or WAO?

Sim PRO ships an update every 6 weeks, and WAO monthly. Most recently, Sim PRO was updated on June 4, 2026 and WAO on May 19, 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.*