Resistor Tools vs ModuleDesignTools
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Resistor Tools
This utility app provides a suite of tools for calculating and determining resistor values. It assists hobbyists and engineers with series, parallel, and voltage divider calculations, as well as inverting amplifier gain.
- Series and parallel resistor calculation
- Resistor combination finder
- Voltage divider ratio and value calculation
- Inverting amplifier gain calculation
- Save combinations to CSV
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This app is a collection of resistor calculators. It is suitable for hobbyist or electronic engineer. * Calculate resistance of two resistors in series or parallel * Find out combinations of two resistors in series/parallel making a desired resistance * Calculate ratio of R1/R2 and voltage divider * Find out resistor values of making voltage divider ratio * Find out resistor values of making inverting amplifier gain * Save combination values in CSV file
ModuleDesignTools
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The design tool is used in conjunction with the template printer, through Bluetooth connection, label templates are designed on the tool and then downloaded to the printer.
Screenshots
Verdict
The clearest difference is in-app purchases: ModuleDesignTools at none against Resistor Tools's 1. On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Resistor Tools sells 1 one-off in-app purchase. ModuleDesignTools asks for nothing beyond the download.
Resistor Tools ships an update every 2 months, ModuleDesignTools monthly. The most recent releases landed on October 5, 2026 and October 4, 2026 respectively.
| Parameter | Resistor Tools | ModuleDesignTools |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (10 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 10 — better | — |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 4 MB | 102 MB |
| Age rating | 4+ | 4+ |
| Developer | Siu Yuen Ho | 深圳炜煌打印机有限公司 |
In-app purchases
Resistor Tools
- Unlock pro feature$0.99
ModuleDesignTools
No in-app purchases
Questions
Is Resistor Tools free?
Is ModuleDesignTools free?
Do Resistor Tools or ModuleDesignTools have ads?
Which is updated more often, Resistor Tools or ModuleDesignTools?
Other comparisons
