# StocXpert vs Zerroday

The clearest difference is update cadence: Zerroday at every 10 days against StocXpert's every 8 months. Zerroday also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. StocXpert sells 2 one-off in-app purchases and Zerroday sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

StocXpert ships an update every 8 months, Zerroday every 10 days. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | StocXpert | Zerroday |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 88.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 10 days** |
| Monetization | — | Free |
| Size | 85 MB | 61 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [TagMango Inc](https://appshunter.io/developer/1611765353) | [Zerroday](https://appshunter.io/developer/1856124924) |

## What reviewers say

### StocXpert

[App page](https://appshunter.io/ios/app/stocxpert/id6443446632)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| stocXpert Community | $0.99 | one-time |
| Xpert Course | $49.99 | one-time |


### Zerroday

[App page](https://appshunter.io/ios/app/zerroday/id6755754776)

This app helps users build confidence and discipline by analyzing their responses to market conditions. It provides tools for learning, reflection, and analysis based on psychological patterns, focusing on hypothetical decision-making in a safe, educational environment.

**Highlights:** AI-guided decision reflection, Hypothetical choice recording, Emotional pattern feedback, Live market reference data, Practice mode for safe learning, Learning journal and progress tracking

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pass | $0.99 | one-time |
| Daily Pass | $0.99 | one-time |
| Monthly Plan | $2.99 | one-time |
| Safety Nets Discount | $7.99 | one-time |
| Safety Nets | $9.99 | one-time |


## Frequently asked questions

### Is StocXpert free?

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

### Is Zerroday free?

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

### Do StocXpert or Zerroday have ads?

Neither StocXpert nor Zerroday shows ads.

### Which is updated more often, StocXpert or Zerroday?

StocXpert ships an update every 8 months, and Zerroday every 10 days. Most recently, StocXpert was updated on October 24, 2026 and Zerroday on October 16, 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.*