# ModMap vs W

The clearest difference is update cadence: W at every 2 months against ModMap's every 36 months. ModMap's advantage is iOS requirement (12.0 vs 15). 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.

ModMap ships an update every 36 months, W every 2 months. The most recent releases landed on September 9, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | ModMap | W |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 2 months** |
| Size | 30 MB | 45 MB |
| Requires iOS | **12.0** | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sollae Systems Co.,Ltd.](https://appshunter.io/developer/406300707) | [LumenRadio AB](https://appshunter.io/developer/1443137236) |

## What reviewers say

### ModMap

[App page](https://appshunter.io/ios/app/modmap/id1527194924)

**Features:** macOS Compatibility

**In-app purchases:** none


### W

[App page](https://appshunter.io/ios/app/w-modbus/id6472275984)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ModMap free?

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

### Is W free?

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

### Do ModMap or W have ads?

Neither ModMap nor W shows ads.

### Which is updated more often, ModMap or W?

ModMap ships an update every 36 months, and W every 2 months. Most recently, ModMap was updated on September 9, 2026 and W on September 11, 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.*