# ZeroSigma vs FairValue Finder

The clearest difference is in-app purchases: FairValue Finder at none against ZeroSigma's 2. ZeroSigma's advantage is iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. ZeroSigma sells 2 in-app purchases, starting at $79.00 per month. FairValue Finder asks for nothing beyond the download.

## The numbers

| Metric | ZeroSigma | FairValue Finder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/zerosigma/id6762913916/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Freemium | — |
| Size | 31 MB | 1 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ZeroSigma](https://appshunter.io/developer/1895074107) | [Jay Yu](https://appshunter.io/developer/1896700095) |

## What reviewers say

### ZeroSigma

[App page](https://appshunter.io/ios/app/zerosigma/id6762913916)

This app provides real-time options analytics for traders, focusing on dealer positioning and market structure. It tracks key exposure metrics and strike-level positioning to help understand potential price influences. The mobile interface offers a fast and focused way to monitor market data on the go.

**Highlights:** Real-time exposure metrics, Strike-level positioning insights, SPX/SPY dealer positioning, Fast mobile interface, Secure account access, Options flow and volume tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZeroSigma Premium | $79.00 | per month |
| ZeroSigma Premium | $699.00 | per year |


### FairValue Finder

[App page](https://appshunter.io/ios/app/fairvalue-finder/id6775230336)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ZeroSigma free?

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

### Is FairValue Finder free?

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

### Do ZeroSigma or FairValue Finder have ads?

Neither ZeroSigma nor FairValue Finder 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.*