# RVB SmartBot vs Modbus Explorer

The clearest difference is in-app purchases: RVB SmartBot at none against Modbus Explorer's 1. RVB SmartBot also leads on iOS requirement (12.0 vs 16.0). Modbus Explorer's advantage is update cadence (every 2 weeks vs every 8 months). On price, ads and device support there is nothing between them.

Both are free to download. Modbus Explorer sells 1 one-off in-app purchase. RVB SmartBot asks for nothing beyond the download.

RVB SmartBot ships an update every 8 months, Modbus Explorer every 2 weeks. The most recent releases landed on September 17, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | RVB SmartBot | Modbus Explorer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 weeks** |
| Size | 74 MB | 5 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TARA JOINT STOCK COMPANY](https://appshunter.io/developer/1533747043) | [HASAN BARAN](https://appshunter.io/developer/6773067753) |

## What reviewers say

### RVB SmartBot

[App page](https://appshunter.io/ios/app/rvb-smartbot/id1637415449)

**Features:** macOS Compatibility

**In-app purchases:** none


### Modbus Explorer

[App page](https://appshunter.io/ios/app/modbus-explorer/id6778095956)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Modbus Explorer Pro | $14.99 | one-time |


## Frequently asked questions

### Is RVB SmartBot free?

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

### Is Modbus Explorer free?

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

### Do RVB SmartBot or Modbus Explorer have ads?

Neither RVB SmartBot nor Modbus Explorer shows ads.

### Which is updated more often, RVB SmartBot or Modbus Explorer?

RVB SmartBot ships an update every 8 months, and Modbus Explorer every 2 weeks. Most recently, RVB SmartBot was updated on September 17, 2026 and Modbus Explorer on September 21, 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.*