# Zero vs digify.

The clearest difference is update cadence: digify. at fortnightly against Zero's every 22 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Zero ships an update every 22 months, digify. fortnightly. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Zero | digify. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/zero-sum-game-calculator/id1536945062/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 9 MB | 78 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Troy McCurry](https://appshunter.io/developer/1536945064) | [Deepak Mundra](https://appshunter.io/developer/1701753570) |

## What reviewers say

### 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


### digify.

[App page](https://appshunter.io/ios/app/digify/id6459364838)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zero free?

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

### Is digify. free?

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

### Do Zero or digify. have ads?

Neither Zero nor digify. shows ads.

### Which is updated more often, Zero or digify.?

Zero ships an update every 22 months, and digify. fortnightly. Most recently, Zero was updated on October 6, 2026 and digify. on October 4, 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.*