# SYNCalc vs Simple Voice Calculator

The clearest difference is rating: SYNCalc at 5.0 against Simple Voice Calculator's 4.6. SYNCalc also leads on iOS requirement (14.1 vs 17.0). Simple Voice Calculator's advantage is ratings volume (209 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. SYNCalc sells 1 in-app purchase, starting at $1.99 per 3 months and Simple Voice Calculator sells 10 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

SYNCalc holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Simple Voice Calculator has 209 ratings behind it against 1, so its average is the more settled of the two.

SYNCalc ships an update every 3 months, Simple Voice Calculator every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | SYNCalc | Simple Voice Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/syncalc/id1597267180/reviews)** | [4.6 (209 ratings)](https://appshunter.io/ios/app/simple-voice-calculator/id6448565084/reviews) |
| Number of ratings | 1 | **209** |
| Positive reviews | — | 82.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 27 MB | 46 MB |
| Requires iOS | **14.1** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Neuroversal Pty Ltd](https://appshunter.io/developer/1597267182) | [Vito Software](https://appshunter.io/developer/1528233093) |

## What reviewers say

### SYNCalc

[App page](https://appshunter.io/ios/app/syncalc/id1597267180)

This calculator allows users to customize the appearance of buttons and numbers with unique color palettes. Users can select tile or text options, adjust saturation and lightness, and save their custom designs.

**Highlights:** Customizable button and text colors, Saturation and lightness adjustment, Tile or text display options, Save and edit custom themes, Reset to default settings, Choice of answer display color

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Go Ads Free | $1.99 | per 3 months |


### Simple Voice Calculator

[App page](https://appshunter.io/ios/app/simple-voice-calculator/id6448565084)

Perform calculations hands-free by speaking your equations. Get instant results, easily edit entries, and access a history of your past calculations. Supports multiple languages and offers an Apple Watch app for on-the-go use.

**Highlights:** Voice input and output for hands-free calculations, Easy equation editing without backspacing, Real-time equation preview and instant solutions, History and favorites for past calculations, Apple Watch app with face widgets, Supports addition, subtraction, multiplication, division, and more

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Monthly) | $2.99 | per month |
| Voice Calculator Pro (Monthly) | $3.99 | per month |
| Pro (Yearly) - Discount | $29.99 | per year |
| Voice Calculator Pro (Yearly) | $29.99 | per year |
| Voice Calculator Pro (Yearly) | $39.99 | per year |
| Pro (Yearly) - Gold | $49.99 | per year |
| Support The Developer | $0.99 | one-time |
| Support The Developer | $4.99 | one-time |
| Support The Developer | $9.99 | one-time |
| 3 Months Voice Calculator Pro | $24.99 | one-time |


## Frequently asked questions

### Is SYNCalc free?

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

### Is Simple Voice Calculator free?

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

### Which has better reviews, SYNCalc or Simple Voice Calculator?

SYNCalc is rated higher. SYNCalc averages 5.0 out of 5 from 1 ratings, while Simple Voice Calculator averages 4.6 from 209 ratings.

### Do SYNCalc or Simple Voice Calculator have ads?

Neither SYNCalc nor Simple Voice Calculator shows ads.

### Which is updated more often, SYNCalc or Simple Voice Calculator?

SYNCalc ships an update every 3 months, and Simple Voice Calculator every 2 months. Most recently, SYNCalc was updated on November 3, 2026 and Simple Voice Calculator on November 3, 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.*