# iSlipstick RF vs BumbleUp

The clearest difference is rating: BumbleUp at 5.0 against iSlipstick RF's 4.7. BumbleUp also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.6). iSlipstick RF's advantage is ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

BumbleUp holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

## The numbers

| Metric | iSlipstick RF | BumbleUp |
| --- | --- | --- |
| 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/bumbleup-notes-tasks-and-wiki/id6754599931/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | — |
| Monetization | Free | Free |
| Size | 43 MB | 31 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sam Virgillo](https://appshunter.io/developer/324560825) | [Vojtech Sodoma](https://appshunter.io/developer/1849125882) |

## 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


### BumbleUp

[App page](https://appshunter.io/ios/app/bumbleup-notes-tasks-and-wiki/id6754599931)

Organize your thoughts, projects, and knowledge in one private workspace. Create notes, manage tasks, and build a personal wiki with nested pages and two-way linking. All your data is stored locally, ensuring privacy and offline access.

**Highlights:** Note organization, Task management, Personal wiki creation, Nested file trees, Two-way linking, Offline access, Drag-and-drop reordering

**In-app purchases:** none


## Frequently asked questions

### Is iSlipstick RF free?

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

### Is BumbleUp free?

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

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

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

### Do iSlipstick RF or BumbleUp have ads?

Neither iSlipstick RF nor BumbleUp shows ads.

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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.*