# iSlipstick RF vs ST EEPROM Finder

The clearest difference is update cadence: iSlipstick RF at every 10 months against ST EEPROM Finder's every 22 months. ST EEPROM Finder's advantage is device support (3 vs 1) and iOS requirement (9.0 vs 16.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

iSlipstick RF ships an update every 10 months, ST EEPROM Finder every 22 months. The most recent releases landed on October 16, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | iSlipstick RF | ST EEPROM Finder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/islipstick-rf/id351775311/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 22 months |
| Monetization | Free | — |
| Size | 43 MB | 10 MB |
| Requires iOS | 16.6 | **9.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sam Virgillo](https://appshunter.io/developer/324560825) | [STMicroelectronics](https://appshunter.io/developer/1801774735) |

## What reviewers say

### iSlipstick RF

[App page](https://appshunter.io/ios/app/islipstick-rf/id351775311)

This app provides a comprehensive suite of calculators and converters specifically designed for radio frequency (RF) engineers and technicians. It includes tools for path loss, antenna gain, intermodulation, and standard electrical calculations, along with various unit conversions.

**Highlights:** RF-specific calculators, Standard electrical calculators, Unit converters, Path loss calculation, Intermodulation analysis, Antenna gain and beamwidth

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

**In-app purchases:** none


### ST EEPROM Finder

[App page](https://appshunter.io/ios/app/st-eeprom-finder/id1385024698)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iSlipstick RF free?

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

### Is ST EEPROM Finder free?

ST EEPROM Finder is free to download, with no in-app purchases.

### Do iSlipstick RF or ST EEPROM Finder have ads?

Neither iSlipstick RF nor ST EEPROM Finder shows ads.

### Which is updated more often, iSlipstick RF or ST EEPROM Finder?

iSlipstick RF ships an update every 10 months, and ST EEPROM Finder every 22 months. Most recently, iSlipstick RF was updated on October 16, 2026 and ST EEPROM Finder on October 4, 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.*