# ModMap vs Modbus TCP Station

The clearest difference is in-app purchases: ModMap at none against Modbus TCP Station's 2. ModMap also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). Modbus TCP Station's advantage is update cadence (every 10 days vs every 36 months). On price and device support there is nothing between them.

Both are free to download. Modbus TCP Station sells 2 one-off in-app purchases. ModMap asks for nothing beyond the download.

ModMap ships an update every 36 months, Modbus TCP Station every 10 days. The most recent releases landed on September 9, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | ModMap | Modbus TCP Station |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 36 months | **Every 10 days** |
| Size | 30 MB | 30 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sollae Systems Co.,Ltd.](https://appshunter.io/developer/406300707) | [DONGSOO LEE](https://appshunter.io/developer/1868670088) |

## What reviewers say

### ModMap

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Modbus TCP Station

[App page](https://appshunter.io/ios/app/modbus-tcp-station/id6757790321)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-Month Premium Pass | $0.99 | one-time |
| Premium Upgrade | $9.99 | one-time |


## Frequently asked questions

### Is ModMap free?

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

### Is Modbus TCP Station free?

Modbus TCP Station is free to download, with in-app purchases available.

### Do ModMap or Modbus TCP Station have ads?

Modbus TCP Station shows ads; ModMap does not.

### Which is updated more often, ModMap or Modbus TCP Station?

ModMap ships an update every 36 months, and Modbus TCP Station every 10 days. Most recently, ModMap was updated on September 9, 2026 and Modbus TCP Station on September 14, 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.*