# Digi vs Resistor

The clearest difference is price: Resistor at Free against Digi's $24.99. Digi's advantage is ads (none vs shown). On update cadence, in-app purchases, device support and iOS requirement there is nothing between them.

Resistor is free to download; Digi costs $24.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Digi ships an update every 11 months, Resistor every 16 months. The most recent releases landed on October 4, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Digi | Resistor |
| --- | --- | --- |
| Price | $24.99 | **Free** |
| Rating | — | **[3.0 (3 ratings)](https://appshunter.io/ios/app/resistor-electronics-tools/id6504726625/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 11 months** | Every 16 months |
| Monetization | — | Ad-supported |
| Size | 170 MB | 22 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JSB Tech](https://appshunter.io/developer/1062517704) | [Anas Abubakar](https://appshunter.io/developer/1581534101) |

## What reviewers say

### Digi

[App page](https://appshunter.io/ios/app/digi-pas-level-paid/id1291143731)

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

**In-app purchases:** none


### Resistor

[App page](https://appshunter.io/ios/app/resistor-electronics-tools/id6504726625)

This application simplifies electronic circuit calculations with tools for series/parallel resistance, LED current limiting, and three-phase circuit conversions. It also features a resistor color code decoder for quick component identification.

**Highlights:** Series/parallel resistor calculator, LED series resistor calculator, Star-delta and delta-star converters, Resistor color code decoder, Intuitive interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Digi free?

Digi costs $24.99, with no in-app purchases.

### Is Resistor free?

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

### Do Digi or Resistor have ads?

Resistor shows ads; Digi does not.

### Which is updated more often, Digi or Resistor?

Digi ships an update every 11 months, and Resistor every 16 months. Most recently, Digi was updated on October 4, 2026 and Resistor on September 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*