# CALC Smart Calculator ± vs SinceUs

The clearest difference is in-app purchases: SinceUs at none against CALC Smart Calculator ±'s 4. SinceUs also leads on review sentiment (100% vs 87%) and iOS requirement (14.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. CALC Smart Calculator ± sells 4 in-app purchases, starting at $0.99 per 3 months. SinceUs asks for nothing beyond the download.

## The numbers

| Metric | CALC Smart Calculator ± | SinceUs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (2.4K ratings)](https://appshunter.io/ios/app/calc-smart-calculator/id576675190/reviews)** | — |
| Number of ratings | **2.4K** | — |
| Positive reviews | 87.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 16 MB | 120 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [QApps LLC](https://appshunter.io/developer/395652397) | [DK Tech Solutions UG (haftungsbeschraenkt)](https://appshunter.io/developer/1711064953) |

## What reviewers say

### CALC Smart Calculator ±

[App page](https://appshunter.io/ios/app/calc-smart-calculator/id576675190)

This app offers a versatile calculator experience with basic, scientific, and advanced modes. It features real-time results, unit conversions, custom functions, and a shareable history. Optimized for various Apple devices, it's designed for ease of use by students, professionals, and scientists.

**Highlights:** Real-time results, Unit and currency conversions, Custom functions and constants, Shareable calculation history, Landscape mode with tape-roll, Gratuity calculator

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quarterly Supporter | $0.99 | per 3 months |
| Quarterly Supporter | $1.99 | per 3 months |
| Annual Contributor | $2.99 | per year |
| Annual Contributor | $5.99 | per year |

**What reviewers like**

- 💻 Excellent calculator functionality
- 🎨 Beautiful and clean interface
- 🔢 Displays full calculation history
- 🔍 Useful conversion tools
- 🤖 Seamless Apple Watch integration

**What reviewers complain about**

- 💰 Subscription model introduced
- 🔒 Restricted features behind paywall
- 📊 Calculation bugs and inaccuracies
- 🔄 Unnecessary UI changes frustrate users

**Reported bugs**

- Calculation errors in certain scenarios
- Forced tutorial popup on every launch
- Unreliable widget functionality

**Requested features**

- Ability to easily clear calculation history
- Option to customize button layout
- Support for entering hexadecimal numbers
- Integration with other apps and services


### SinceUs

[App page](https://appshunter.io/ios/app/sinceus/id6736864182)

Track the time elapsed since important life events, like anniversaries or relationship milestones. Add visual memories with photos and receive timely reminders. Keep your cherished moments readily accessible and in mind.

**Highlights:** Track days, weeks, months since events, Add photos to memories, Connect events with loved ones, Homescreen widgets, Anniversary reminders

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CALC Smart Calculator ± free?

CALC Smart Calculator ± is free to download, with in-app purchases available.

### Is SinceUs free?

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

### Do CALC Smart Calculator ± or SinceUs have ads?

Neither CALC Smart Calculator ± nor SinceUs shows ads.

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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.*