# iSlipstick RF vs My Procurement Assistant

The clearest difference is in-app purchases: iSlipstick RF at none against My Procurement Assistant's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. My Procurement Assistant sells 2 in-app purchases, starting at $0.99 per month. iSlipstick RF asks for nothing beyond the download.

iSlipstick RF ships an update every 10 months, My Procurement Assistant every 12 months. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | iSlipstick RF | My Procurement Assistant |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 12 months |
| Monetization | Free | — |
| Size | 43 MB | 14 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Sam Virgillo](https://appshunter.io/developer/324560825) | [Igor Parnadjiev](https://appshunter.io/developer/1803127062) |

## 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


### My Procurement Assistant

[App page](https://appshunter.io/ios/app/my-procurement-assistant/id6743487715)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited | $0.99 | per month |
| Unlimited | $9.99 | per year |


## Frequently asked questions

### Is iSlipstick RF free?

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

### Is My Procurement Assistant free?

My Procurement Assistant is free to download, with in-app purchases available.

### Do iSlipstick RF or My Procurement Assistant have ads?

Neither iSlipstick RF nor My Procurement Assistant shows ads.

### Which is updated more often, iSlipstick RF or My Procurement Assistant?

iSlipstick RF ships an update every 10 months, and My Procurement Assistant every 12 months. Most recently, iSlipstick RF was updated on September 17, 2026 and My Procurement Assistant on September 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*