# scale trading vs B

The clearest difference is update cadence: B at every 3 days against scale trading's every 3 weeks. B also leads on iOS requirement (13.0 vs 15.6). 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.

scale trading ships an update every 3 weeks, B every 3 days. The most recent releases landed on October 23, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | scale trading | B |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (29 ratings)](https://appshunter.io/ios/app/scale-trading-watermix/id1526036955/reviews)** | — |
| Number of ratings | **29** | — |
| Positive reviews | 60.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free | — |
| Size | 9 MB | 31 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SuperDG Inc.](https://appshunter.io/developer/635709768) | [IN&OUT Co.,Ltd.](https://appshunter.io/developer/6783921917) |

## What reviewers say

### scale trading

[App page](https://appshunter.io/ios/app/scale-trading-watermix/id1526036955)

This utility app helps stock investors calculate their average stock price. It assists in determining investment amounts needed to lower the average price when stocks fall or to adjust it when stocks rise.

**Highlights:** Calculate average stock price, Determine investment amounts for price adjustments, Manage stock investments, Respond to stock market volatility, List function for tracking

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

**In-app purchases:** none


### B

[App page](https://appshunter.io/ios/app/b-sync/id6783921705)

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

**In-app purchases:** none


## Frequently asked questions

### Is scale trading free?

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

### Is B free?

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

### Do scale trading or B have ads?

Neither scale trading nor B shows ads.

### Which is updated more often, scale trading or B?

scale trading ships an update every 3 weeks, and B every 3 days. Most recently, scale trading was updated on October 23, 2026 and B on October 20, 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.*