# Calc Pro vs SintasGroup

The clearest difference is ads: SintasGroup at none against Calc Pro's shown. SintasGroup also leads on monetization model (free vs ad-supported) and iOS requirement (13.0 vs 18.0). Calc Pro's advantage is ratings volume (6 vs 1). On price, rating, update cadence and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SintasGroup holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Calc Pro has 6 ratings behind it against 1, so its average is the more settled of the two.

Calc Pro ships an update monthly, SintasGroup every 2 months. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Calc Pro | SintasGroup |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (6 ratings)](https://appshunter.io/ios/app/calc-pro-simple-and-useful/id1444681142/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sintasgroup/id6760407608/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Ad-supported | **Free** |
| Size | 8 MB | 26 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Keita Nonaka](https://appshunter.io/developer/1252557006) | [Sntayehu Habtemaryam](https://appshunter.io/developer/1884313943) |

## What reviewers say

### Calc Pro

[App page](https://appshunter.io/ios/app/calc-pro-simple-and-useful/id1444681142)

This powerful calculator handles complex equations and huge numbers with up to 15 digits of precision. It saves your calculation history, allowing you to reuse previous equations and answers. Access scientific functions like square root and logarithms easily with a swipe.

**Highlights:** Complex calculations, Huge number handling, Calculation history, Scientific functions, Dark Mode, Copy answer

**Features:** macOS Compatibility

**In-app purchases:** none


### SintasGroup

[App page](https://appshunter.io/ios/app/sintasgroup/id6760407608)

This professional recruitment platform connects employers with qualified candidates for domestic and corporate roles globally. It allows efficient searching, filtering, and management of applicants with detailed profiles and real-time status tracking. Communication is streamlined through integrated messaging options.

**Highlights:** Search candidates by nationality, View detailed applicant profiles, Track application status, Communicate via WhatsApp and email, Multi-language support, Intuitive dashboard

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calc Pro free?

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

### Is SintasGroup free?

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

### Which has better reviews, Calc Pro or SintasGroup?

SintasGroup is rated higher. Calc Pro averages 4.8 out of 5 from 6 ratings, while SintasGroup averages 5.0 from 1 ratings.

### Do Calc Pro or SintasGroup have ads?

Calc Pro shows ads; SintasGroup does not.

### Which is updated more often, Calc Pro or SintasGroup?

Calc Pro ships an update monthly, and SintasGroup every 2 months. Most recently, Calc Pro was updated on November 2, 2026 and SintasGroup on October 31, 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.*