# Que Opinas vs Calculator Max+

The clearest difference is in-app purchases: Que Opinas at none against Calculator Max+'s 2. Que Opinas also leads on ratings volume (4.8K vs 1). Calculator Max+'s advantage is ads (none vs shown) and rating (5.0 vs 4.7). On price, monetization model, device support and iOS requirement there is nothing between them.

Both are free to download. Calculator Max+ sells 2 in-app purchases, starting at $9.99 per 7 days. Que Opinas asks for nothing beyond the download.

Calculator Max+ holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Que Opinas has 4.8K ratings behind it against 1, so its average is the more settled of the two.

Que Opinas ships an update every 2 months, Calculator Max+ fortnightly. The most recent releases landed on October 21, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Que Opinas | Calculator Max+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (4.8K ratings)](https://appshunter.io/ios/app/que-opinas/id964651441/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calculator-max-plus/id6752596742/reviews)** |
| Number of ratings | **4.8K** | 1 |
| Positive reviews | 33.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 15 MB | 20 MB |
| Requires iOS | 14.0 | 14 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Varsityplaza LLC](https://appshunter.io/developer/964651440) | [彦斌 王](https://appshunter.io/developer/1739281644) |

## What reviewers say

### Que Opinas

[App page](https://appshunter.io/ios/app/que-opinas/id964651441)

Share your opinions in online surveys to influence major brands and earn rewards. Register with your profile to receive relevant surveys and exchange points for prizes. It's a safe, fast, and free way to get rewarded for your insights.

**Highlights:** Participate in surveys, Influence brand decisions, Earn points for rewards, Receive prizes, Profile-based survey matching, Safe and confidential

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🤑 Potential to earn money
- 💡 Interesting survey topics

**What reviewers complain about**

- 🐛 Frequent crashes and app freezes
- ❌ Surveys often disqualify users
- 💸 Low payout rates
- 🤔 Unclear how to earn points
- 🔒 Privacy concerns with personal data collection

**Reported bugs**

- App not loading or crashing on launch
- Surveys getting stuck or not registering completion
- Inconsistent point awards

**Requested features**

- More survey options and availability
- Improved point tracking and redemption process
- Multilingual support
- Clearer communication on survey qualifications


### Calculator Max+

[App page](https://appshunter.io/ios/app/calculator-max-plus/id6752596742)

This app offers a suite of eight specialized calculators, including standard, scientific, unit, percentage, currency, discount, sales tax, and savings calculators. It simplifies everyday arithmetic, complex math, unit conversions, and financial calculations for various users.

**Highlights:** Standard Calculator, Scientific Calculator, Unit Converter, Currency Converter, Discount Calculation, Sales Tax Calculation, Savings Calculator

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calculator | $9.99 | per 7 days |
| Calculator | $14.99 | per month |


## Frequently asked questions

### Is Que Opinas free?

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

### Is Calculator Max+ free?

Calculator Max+ is free to download, with in-app purchases available.

### Which has better reviews, Que Opinas or Calculator Max+?

Calculator Max+ is rated higher. Que Opinas averages 4.7 out of 5 from 4.8K ratings, while Calculator Max+ averages 5.0 from 1 ratings.

### Do Que Opinas or Calculator Max+ have ads?

Que Opinas shows ads; Calculator Max+ does not.

### Which is updated more often, Que Opinas or Calculator Max+?

Que Opinas ships an update every 2 months, and Calculator Max+ fortnightly. Most recently, Que Opinas was updated on October 21, 2026 and Calculator Max+ on October 13, 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.*