# Servetec IoT vs WOS

The clearest difference is ads: Servetec IoT at none against WOS's shown. WOS's advantage is iOS requirement (12.0 vs 14.0). On price, 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.

## The numbers

| Metric | Servetec IoT | WOS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | — |
| Monetization | — | Ad-supported |
| Size | 200 MB | 38 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HEAYOUNG JUN](https://appshunter.io/developer/1674391888) | [Hyunwoo Park](https://appshunter.io/developer/1589344625) |

## What reviewers say

### Servetec IoT

[App page](https://appshunter.io/ios/app/servetec-iot/id6445871128)

**Features:** macOS Compatibility

**In-app purchases:** none


### WOS

[App page](https://appshunter.io/ios/app/wos/id6587565133)

Easily check and register coupons for White Out Survival. Get notified of new coupons and manage multiple accounts to register them before expiration. Copy and share coupons with a single tap.

**Highlights:** Coupon information at a glance, Coupon registration, Expiration date checks, Multiple account management, Push notifications for new coupons, Easy coupon copying and sharing

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

**In-app purchases:** none


## Frequently asked questions

### Is Servetec IoT free?

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

### Is WOS free?

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

### Do Servetec IoT or WOS have ads?

WOS shows ads; Servetec IoT does not.

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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.*