# DOM Service vs TIW ISP

DOM Service and TIW ISP are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

DOM Service ships an update every 2 months, TIW ISP monthly. The most recent releases landed on August 26, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | DOM Service | TIW ISP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 78 MB | 33 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DOM Sicherheitstechnik GmbH & Co. KG](https://appshunter.io/developer/1557896636) | [Kauan Almeida](https://appshunter.io/developer/1837602264) |

## What reviewers say

### DOM Service

[App page](https://appshunter.io/ios/app/dom-service/id1630356411)

**Features:** Vision Pro support

**In-app purchases:** none


### TIW ISP

[App page](https://appshunter.io/ios/app/tiw-isp/id6760437210)

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

**In-app purchases:** none


## Frequently asked questions

### Is DOM Service free?

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

### Is TIW ISP free?

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

### Do DOM Service or TIW ISP have ads?

Neither DOM Service nor TIW ISP shows ads.

### Which is updated more often, DOM Service or TIW ISP?

DOM Service ships an update every 2 months, and TIW ISP monthly. Most recently, DOM Service was updated on August 26, 2026 and TIW ISP on September 8, 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.*