# Flow Rate Converter vs Electronics Reference Toolkit

The clearest difference is price: Electronics Reference Toolkit at Free against Flow Rate Converter's $0.99. Electronics Reference Toolkit also leads on update cadence (fortnightly vs every 7 months) and ratings volume (7 vs 1). Flow Rate Converter's advantage is device support (3 vs 1). On rating, ads, in-app purchases and iOS requirement there is nothing between them.

Electronics Reference Toolkit is free to download; Flow Rate Converter costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Flow Rate Converter against 4.9 for Electronics Reference Toolkit. That said, the two scores are not equally well evidenced: Electronics Reference Toolkit has 7 ratings behind it against 1, so its average is the more settled of the two.

Flow Rate Converter ships an update every 7 months, Electronics Reference Toolkit fortnightly. The most recent releases landed on September 15, 2026 and July 16, 2026 respectively.

## The numbers

| Metric | Flow Rate Converter | Electronics Reference Toolkit |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flow-rate-converter/id668446877/reviews)** | [4.9 (7 ratings)](https://appshunter.io/ios/app/electronics-reference-toolkit/id6757098692/reviews) |
| Number of ratings | 1 | **7** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | Paid | **Free** |
| Size | 6 MB | 7 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Johan van der Vyver](https://appshunter.io/developer/668446880) | [Ha Do Thi Thu](https://appshunter.io/developer/1707030622) |

## What reviewers say

### Flow Rate Converter

[App page](https://appshunter.io/ios/app/flow-rate-converter/id668446877)

This utility app calculates flow rates in milliliters per hour based on substance concentration and dosage. It can also determine the required dosage for a set flow rate. Features a user-friendly interface and an iPad widget for quick calculations.

**Highlights:** Calculate flow rate in ml/h, Determine required dosage, User-friendly Picker interface, iPad widget for quick access, Specialized for concentration and dosage

**Features:** macOS Compatibility

**In-app purchases:** none


### Electronics Reference Toolkit

[App page](https://appshunter.io/ios/app/electronics-reference-toolkit/id6757098692)

This app provides a comprehensive suite of tools for electronics calculations and reference. It includes calculators for resistors, LEDs, capacitors, and voltage dividers, along with a unit converter and transistor database. Designed for speed and offline use, it's ideal for students, hobbyists, and engineers.

**Highlights:** Resistor Calculator (4/5 band), Ohm's Law Calculator, LED Resistor Calculator, Capacitor Decoder, Voltage Divider Calculator, Unit Converter, Transistor Reference

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flow Rate Converter free?

Flow Rate Converter costs $0.99, with no in-app purchases.

### Is Electronics Reference Toolkit free?

Electronics Reference Toolkit is free to download, with no in-app purchases.

### Which has better reviews, Flow Rate Converter or Electronics Reference Toolkit?

Flow Rate Converter is rated higher. Flow Rate Converter averages 5.0 out of 5 from 1 ratings, while Electronics Reference Toolkit averages 4.9 from 7 ratings.

### Do Flow Rate Converter or Electronics Reference Toolkit have ads?

Neither Flow Rate Converter nor Electronics Reference Toolkit shows ads.

### Which is updated more often, Flow Rate Converter or Electronics Reference Toolkit?

Flow Rate Converter ships an update every 7 months, and Electronics Reference Toolkit fortnightly. Most recently, Flow Rate Converter was updated on September 15, 2026 and Electronics Reference Toolkit on July 16, 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.*