# iSlipstick RF vs SmartCharger

The clearest difference is rating: SmartCharger at 5.0 against iSlipstick RF's 4.7. SmartCharger also leads on iOS requirement (6.0 vs 16.6). iSlipstick RF's advantage is ratings volume (3 vs 1). On price, review sentiment, update cadence and ads there is nothing between them.

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

SmartCharger 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, SmartCharger every 7 months. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | iSlipstick RF | SmartCharger |
| --- | --- | --- |
| 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/smartcharger/id646702017/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 7 months** |
| Monetization | Free | Free |
| Size | 43 MB | 9 MB |
| Requires iOS | 16.6 | **6.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sam Virgillo](https://appshunter.io/developer/324560825) | [SkyRC Technology Co.,Ltd.](https://appshunter.io/developer/580032028) |

## 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


### SmartCharger

[App page](https://appshunter.io/ios/app/smartcharger/id646702017)

Monitor your Apple device's charging and discharging data in real-time. This app connects via Bluetooth to a specific battery charger, offering seamless integration with your portable computing devices.

**Highlights:** Real-time charging/discharging data display, Bluetooth communication, Integrates with NC2500 Battery Charger, Supports iTouch, iPhone, and iPad

**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 SmartCharger free?

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

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

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

### Do iSlipstick RF or SmartCharger have ads?

Neither iSlipstick RF nor SmartCharger shows ads.

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

iSlipstick RF ships an update every 10 months, and SmartCharger every 7 months. Most recently, iSlipstick RF was updated on October 16, 2026 and SmartCharger on October 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.*