# BWCI vs Stock Engine

The clearest difference is in-app purchases: BWCI at none against Stock Engine's 7. Stock Engine's advantage is update cadence (weekly vs every 25 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Stock Engine sells 7 in-app purchases, starting at $1.99 per 7 days. BWCI asks for nothing beyond the download.

BWCI ships an update every 25 months, Stock Engine weekly. The most recent releases landed on September 18, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | BWCI | Stock Engine |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 25 months | **Weekly** |
| Size | 8 MB | 78 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Enrapture Limited](https://appshunter.io/developer/734369542) | [SilentCreek Ltd](https://appshunter.io/developer/1834954051) |

## What reviewers say

### BWCI

[App page](https://appshunter.io/ios/app/bwci/id1542019460)

**In-app purchases:** none


### Stock Engine

[App page](https://appshunter.io/ios/app/stock-engine/id6751415560)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly S - 1 Credit | $1.99 | per 7 days |
| Weekly M - 5 Credits | $5.99 | per 7 days |
| Weekly L - 10 Credits | $9.99 | per 7 days |
| Weekly XL - 20 Credits | $19.99 | per 7 days |
| 1 THESIS & MATCHED STOCKS | $0.99 | one-time |
| 40 thesis and matched stocks | $39.99 | one-time |
| 80 thesis and matched stocks | $79.99 | one-time |


## Frequently asked questions

### Is BWCI free?

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

### Is Stock Engine free?

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

### Do BWCI or Stock Engine have ads?

Neither BWCI nor Stock Engine shows ads.

### Which is updated more often, BWCI or Stock Engine?

BWCI ships an update every 25 months, and Stock Engine weekly. Most recently, BWCI was updated on September 18, 2026 and Stock Engine on October 8, 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.*