# iSlipstick RF vs SimpleLists

The clearest difference is in-app purchases: iSlipstick RF at none against SimpleLists's 7. iSlipstick RF also leads on ads (none vs shown) and ratings volume (3 vs 1). SimpleLists's advantage is update cadence (every 2 months vs every 10 months) and rating (5.0 vs 4.7). On price, review sentiment and device support there is nothing between them.

Both are free to download. SimpleLists sells 7 in-app purchases, starting at $2.00 per month. iSlipstick RF asks for nothing beyond the download.

SimpleLists holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

iSlipstick RF ships an update every 10 months, SimpleLists every 2 months. The most recent releases landed on September 17, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | iSlipstick RF | SimpleLists |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/islipstick-rf/id351775311/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simplelists-checklists/id6711347262/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 2 months** |
| Monetization | **Free** | Freemium |
| Size | 43 MB | 41 MB |
| Requires iOS | **16.6** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Sam Virgillo](https://appshunter.io/developer/324560825) | [Joe Edwards](https://appshunter.io/developer/1770032816) |

## 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


### SimpleLists

[App page](https://appshunter.io/ios/app/simplelists-checklists/id6711347262)

Create and manage reusable checklists with an intuitive interface. This app offers cloud syncing for access across devices, helping you stay organized effortlessly for various personal and professional tasks.

**Highlights:** Reusable checklists, User-friendly interface, Cloud syncing, Customizable lists, Task management

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.00 | per month |
| Yearly | $14.00 | per year |
| Mini tip | $1.00 | one-time |
| Plus tip | $3.00 | one-time |
| Pro tip | $5.00 | one-time |
| Max tip | $10.00 | one-time |
| Ultra tip | $15.00 | one-time |


## Frequently asked questions

### Is iSlipstick RF free?

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

### Is SimpleLists free?

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

### Which has better reviews, iSlipstick RF or SimpleLists?

SimpleLists is rated higher. iSlipstick RF averages 4.7 out of 5 from 3 ratings, while SimpleLists averages 5.0 from 1 ratings.

### Do iSlipstick RF or SimpleLists have ads?

SimpleLists shows ads; iSlipstick RF does not.

### Which is updated more often, iSlipstick RF or SimpleLists?

iSlipstick RF ships an update every 10 months, and SimpleLists every 2 months. Most recently, iSlipstick RF was updated on September 17, 2026 and SimpleLists on September 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.*