# Calculator Pro vs Roblez

The clearest difference is rating: Calculator Pro at 4.4 against Roblez's 2.4. Calculator Pro also leads on ratings volume (62 vs 5). Roblez's advantage is in-app purchases (none vs 2) and update cadence (every 5 days vs fortnightly). On price, ads and device support there is nothing between them.

Both are free to download. Calculator Pro sells 2 in-app purchases, starting at $4.99 per 7 days. Roblez asks for nothing beyond the download.

Calculator Pro holds the better App Store score, 4.4 against 2.4. That said, the two scores are not equally well evidenced: Calculator Pro has 62 ratings behind it against 5, so its average is the more settled of the two.

Calculator Pro ships an update fortnightly, Roblez every 5 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Calculator Pro | Roblez |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (62 ratings)](https://appshunter.io/ios/app/calculator-pro-smart-tools/id6751831649/reviews)** | [2.4 (5 ratings)](https://appshunter.io/ios/app/roblez/id6757117808/reviews) |
| Number of ratings | **62** | 5 |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 28 MB | 16 MB |
| Requires iOS | 18.5 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [嘉晨 王](https://appshunter.io/developer/1780248506) | [Ankit Chauhan](https://appshunter.io/developer/1808127923) |

## What reviewers say

### Calculator Pro

[App page](https://appshunter.io/ios/app/calculator-pro-smart-tools/id6751831649)

This app offers a comprehensive suite of tools, including scientific calculations, real-time currency exchange rates, unit conversions, and financial calculators for loans and mortgages. It's designed to simplify everyday tasks, from student homework to travel budgeting.

**Highlights:** Standard & Scientific Calculator, Real-Time Currency Exchange Rates, Unit Converter, Financial Calculators (Loans, Mortgages), Tip & Tax Calculations

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Smart Calculator Week | $4.99 | per 7 days |
| Smart Calculator NoAds Lift-Time | $12.99 | one-time |


### Roblez

[App page](https://appshunter.io/ios/app/roblez/id6757117808)

This app offers a colorful puzzle experience for children and adults, focusing on color recognition, memory, and logic. It features personalized player setups, adjustable difficulty levels, and a progress tracker. Enjoy a relaxing, ad-free environment with no time limits.

**Highlights:** Personal player setup with name and avatar, Multiple difficulty levels (Easy, Medium, Hard), Color-based puzzle gameplay, Progress and history tracking, Hall of Fame for top players, Sound control

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculator Pro free?

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

### Is Roblez free?

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

### Which has better reviews, Calculator Pro or Roblez?

Calculator Pro is rated higher. Calculator Pro averages 4.4 out of 5 from 62 ratings, while Roblez averages 2.4 from 5 ratings.

### Do Calculator Pro or Roblez have ads?

Both Calculator Pro and Roblez show ads.

### Which is updated more often, Calculator Pro or Roblez?

Calculator Pro ships an update fortnightly, and Roblez every 5 days. Most recently, Calculator Pro was updated on October 25, 2026 and Roblez on October 25, 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.*