# Lerner and Rowe AI vs RF toolbox

The clearest difference is in-app purchases: Lerner and Rowe AI at none against RF toolbox's 1. RF toolbox's advantage is update cadence (every 6 months vs every 17 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. RF toolbox sells 1 one-off in-app purchase. Lerner and Rowe AI asks for nothing beyond the download.

Lerner and Rowe AI ships an update every 17 months, RF toolbox every 6 months. The most recent releases landed on September 11, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Lerner and Rowe AI | RF toolbox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 6 months** |
| Size | 36 MB | 28 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Tony Castelli](https://appshunter.io/developer/1469901753) | [Anas Abubakar](https://appshunter.io/developer/1581534101) |

## What reviewers say

### Lerner and Rowe AI

[App page](https://appshunter.io/ios/app/lerner-and-rowe-ai/id6479581832)

**Features:** macOS Compatibility

**In-app purchases:** none


### RF toolbox

[App page](https://appshunter.io/ios/app/rf-toolbox-electronics/id6757265018)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| upgrade to pro | $3.99 | one-time |


## Frequently asked questions

### Is Lerner and Rowe AI free?

Lerner and Rowe AI is free to download, with no in-app purchases.

### Is RF toolbox free?

RF toolbox is free to download, with in-app purchases available.

### Do Lerner and Rowe AI or RF toolbox have ads?

Neither Lerner and Rowe AI nor RF toolbox shows ads.

### Which is updated more often, Lerner and Rowe AI or RF toolbox?

Lerner and Rowe AI ships an update every 17 months, and RF toolbox every 6 months. Most recently, Lerner and Rowe AI was updated on September 11, 2026 and RF toolbox on September 9, 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.*