# Stock Proof vs quantify | Trading Strategies

The clearest difference is update cadence: quantify | Trading Strategies at every 2 days against Stock Proof's every 10 days. 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.

Stock Proof ships an update every 10 days, quantify | Trading Strategies every 2 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Stock Proof | quantify | Trading Strategies |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 10 days | **Every 2 days** |
| Size | 20 MB | 35 MB |
| Requires iOS | **13.0** | 14.0.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [StockProof LLC](https://appshunter.io/developer/1696556725) | [Alexander Aris Duka](https://appshunter.io/developer/1790267286) |

## What reviewers say

### Stock Proof

[App page](https://appshunter.io/ios/app/stock-proof/id6451097907)

**Features:** macOS Compatibility

**In-app purchases:** none


### quantify | Trading Strategies

[App page](https://appshunter.io/ios/app/quantify-trading-strategies/id6746166841)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stock Proof free?

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

### Is quantify | Trading Strategies free?

quantify | Trading Strategies is free to download, with no in-app purchases.

### Do Stock Proof or quantify | Trading Strategies have ads?

Both Stock Proof and quantify | Trading Strategies show ads.

### Which is updated more often, Stock Proof or quantify | Trading Strategies?

Stock Proof ships an update every 10 days, and quantify | Trading Strategies every 2 days. Most recently, Stock Proof was updated on November 3, 2026 and quantify | Trading Strategies on October 30, 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.*