# Calc vs Zero

The clearest difference is review sentiment: Zero at 100% against Calc's 50%. Zero also leads on rating (5.0 vs 3.7). Calc's advantage is update cadence (every 10 months vs every 22 months). On price, ratings volume, ads 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.

Zero holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews point the same way: 50% of Calc's written reviews are positive against 100% of Zero's.

Calc ships an update every 10 months, Zero every 22 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Calc | Zero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/calc-50/id1193016704/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/zero-sum-game-calculator/id1536945062/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 22 months |
| Monetization | Free | Free |
| Size | 38 MB | 9 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David Smith](https://appshunter.io/developer/1193016703) | [Troy McCurry](https://appshunter.io/developer/1536945064) |

## What reviewers say

### Calc

[App page](https://appshunter.io/ios/app/calc-50/id1193016704)

This app offers a high-precision scientific calculator with over 50 digits of accuracy. It supports advanced mathematical functions, complex arithmetic, and programmable features for derivatives, integrals, and root finding.

**Highlights:** High-precision calculations (50+ digits), Extensive mathematical functions, Programmable features, Complex arithmetic, Graphing capabilities, Derivative and integral calculation

**Features:** macOS Compatibility

**In-app purchases:** none


### Zero

[App page](https://appshunter.io/ios/app/zero-sum-game-calculator/id1536945062)

This tool helps calculate the optimal strategy allocation for two players in a zero-sum game. Input your strategies, and it will determine the frequency each should be used for sports, politics, or military scenarios.

**Highlights:** Zero-sum game strategy calculation, Optimal allocation determination, Supports sports, politics, military, Frequency of strategy employment

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calc free?

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

### Is Zero free?

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

### Which has better reviews, Calc or Zero?

Zero is rated higher. Calc averages 3.7 out of 5 from 3 ratings, while Zero averages 5.0 from 2 ratings.

### Do Calc or Zero have ads?

Neither Calc nor Zero shows ads.

### Which is updated more often, Calc or Zero?

Calc ships an update every 10 months, and Zero every 22 months. Most recently, Calc was updated on November 2, 2026 and Zero 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.*