# ID16100 vs MarketCheck Checklists Web

The clearest difference is update cadence: ID16100 at every 3 months against MarketCheck Checklists Web's every 17 months. On price, ads, 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.

ID16100 ships an update every 3 months, MarketCheck Checklists Web every 17 months. The most recent releases landed on October 26, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | ID16100 | MarketCheck Checklists Web |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 17 months |
| Size | 11 MB | 1 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Suomen 16100 Oy](https://appshunter.io/developer/877690740) | [MarketCheck Information Europe AB](https://appshunter.io/developer/1145336124) |

## What reviewers say

### ID16100

[App page](https://appshunter.io/ios/app/id16100/id1469044778)

**Features:** macOS Compatibility

**In-app purchases:** none


### MarketCheck Checklists Web

[App page](https://appshunter.io/ios/app/marketcheck-checklists-web/id1533990132)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ID16100 free?

ID16100 is free to download, with no in-app purchases.

### Is MarketCheck Checklists Web free?

MarketCheck Checklists Web is free to download, with no in-app purchases.

### Do ID16100 or MarketCheck Checklists Web have ads?

Neither ID16100 nor MarketCheck Checklists Web shows ads.

### Which is updated more often, ID16100 or MarketCheck Checklists Web?

ID16100 ships an update every 3 months, and MarketCheck Checklists Web every 17 months. Most recently, ID16100 was updated on October 26, 2026 and MarketCheck Checklists Web on October 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.*