# IQ Test Classic vs Resistor Calc+

The clearest difference is rating: Resistor Calc+ at 5.0 against IQ Test Classic's 3.6. Resistor Calc+ also leads on in-app purchases (none vs 2) and iOS requirement (15.0 vs 17.0). IQ Test Classic's advantage is ratings volume (66 vs 5). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. IQ Test Classic sells 2 one-off in-app purchases. Resistor Calc+ asks for nothing beyond the download.

Resistor Calc+ holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: IQ Test Classic has 66 ratings behind it against 5, so its average is the more settled of the two. Written reviews split almost evenly too, at 66% and 67% positive.

IQ Test Classic ships an update every 3 months, Resistor Calc+ every 2 months. Both last shipped on October 29, 2026.

## The numbers

| Metric | IQ Test Classic | Resistor Calc+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (66 ratings)](https://appshunter.io/ios/app/iq-test-classic/id378722461/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/resistor-calc-plus/id1441211200/reviews)** |
| Number of ratings | **66** | 5 |
| Positive reviews | 66.3% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 14 MB | 6 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pop-Hub Limited](https://appshunter.io/developer/337308102) | [EONSOFT](https://appshunter.io/developer/899851112) |

## What reviewers say

### IQ Test Classic

[App page](https://appshunter.io/ios/app/iq-test-classic/id378722461)

Accurately measure your intelligence quotient with this classic IQ test. Receive a certificate of your score and global ranking after completing the test. Share your results with friends and understand your cognitive abilities.

**Highlights:** Expert-prepared accurate IQ test, IQ certificate and global ranking, Classic and Mensa test options, 15-30 minute test duration, Social media sharing of results

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Correct Answers of Classic Test | $0.99 | one-time |
| Correct Answers Of Mensa Test | $0.99 | one-time |

**What reviewers like**

- 👍 Good app
- 🤔 Challenging and thought-provoking
- 🧠 Tests logical reasoning and pattern recognition
- 💡 Enjoyable brain workout

**What reviewers complain about**

- 🔢 Heavily focused on mathematical/pattern-based questions
- 🤷‍♂️ Questionable accuracy in measuring overall intelligence
- 💰 Paywall to see correct answers
- 🐛 Crashes and bugs reported

**Reported bugs**

- Crashes during the test
- Inconsistent scoring and answers
- Redirecting to the App Store unexpectedly

**Requested features**

- More diverse question types beyond just patterns and sequences
- Ability to retake the test with different questions
- Providing feedback on incorrect answers without requiring payment


### Resistor Calc+

[App page](https://appshunter.io/ios/app/resistor-calc-plus/id1441211200)

Easily determine resistance values from colored bands on resistors. Supports 3 to 6 band configurations with a visual representation of your selections. Ideal for electronics enthusiasts and hobbyists.

**Highlights:** 3, 4, 5, and 6 band resistor support, Visual band color selection, Displays resistance value and tolerance, Aids in electronics configuration

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is IQ Test Classic free?

IQ Test Classic is free to download, with in-app purchases available.

### Is Resistor Calc+ free?

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

### Which has better reviews, IQ Test Classic or Resistor Calc+?

Resistor Calc+ is rated higher. IQ Test Classic averages 3.6 out of 5 from 66 ratings, while Resistor Calc+ averages 5.0 from 5 ratings.

### Do IQ Test Classic or Resistor Calc+ have ads?

Both IQ Test Classic and Resistor Calc+ show ads.

### Which is updated more often, IQ Test Classic or Resistor Calc+?

IQ Test Classic ships an update every 3 months, and Resistor Calc+ every 2 months. Most recently, IQ Test Classic was updated on October 29, 2026 and Resistor Calc+ on October 29, 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.*