# Electronic Devices Quiz vs Thermistor Tool

The clearest difference is ads: Thermistor Tool at none against Electronic Devices Quiz's shown. Electronic Devices Quiz's advantage is update cadence (every 3 weeks vs every 10 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Electronic Devices Quiz sells 7 in-app purchases, starting at $4.99 per month and Thermistor Tool sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Electronic Devices Quiz ships an update every 3 weeks, Thermistor Tool every 10 months. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Electronic Devices Quiz | Thermistor Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/thermistor-tool/id1641042330/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 10 months |
| Monetization | — | Free |
| Size | 68 MB | 3 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Arshad Iqbal](https://appshunter.io/developer/1547001151) | [Siu Yuen Ho](https://appshunter.io/developer/814088527) |

## What reviewers say

### Electronic Devices Quiz

[App page](https://appshunter.io/ios/app/electronic-devices-quiz/id1584633982)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Package | $4.99 | per month |
| 3 Months Package | $9.99 | per 3 months |
| 6 Months Package | $14.99 | per 6 months |
| 1 Year Package | $19.99 | per year |
| 1500 Coins | $0.99 | one-time |
| 3500 Coins | $1.99 | one-time |
| 6000 Coins | $2.99 | one-time |


### Thermistor Tool

[App page](https://appshunter.io/ios/app/thermistor-tool/id1641042330)

This application serves as a calculator for thermistors, supporting both Beta and Steinhart-Hart models. It facilitates conversions between temperature and resistance, and visualizes this relationship with a temperature-resistance graph. Ideal for hobbyists, students, and engineers.

**Highlights:** Beta model support, Steinhart-Hart model support, Temperature to resistance conversion, Resistance to temperature conversion, Temperature-resistance graph visualization

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro feature | $1.99 | one-time |


## Frequently asked questions

### Is Electronic Devices Quiz free?

Electronic Devices Quiz is free to download, with in-app purchases available.

### Is Thermistor Tool free?

Thermistor Tool is free to download, with in-app purchases available.

### Do Electronic Devices Quiz or Thermistor Tool have ads?

Electronic Devices Quiz shows ads; Thermistor Tool does not.

### Which is updated more often, Electronic Devices Quiz or Thermistor Tool?

Electronic Devices Quiz ships an update every 3 weeks, and Thermistor Tool every 10 months. Most recently, Electronic Devices Quiz was updated on October 20, 2026 and Thermistor Tool on October 24, 2026.

---

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