# Average Variable Cost vs Trading Martingale Calculator

The clearest difference is ads: Average Variable Cost at none against Trading Martingale Calculator's shown. Trading Martingale Calculator's advantage is update cadence (every 9 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Average Variable Cost ships an update every 3 weeks, Trading Martingale Calculator every 9 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Average Variable Cost | Trading Martingale Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Size | 41 MB | 31 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Stage Coding](https://appshunter.io/developer/1637068135) | [MD. NASAR UDDIN REDOY](https://appshunter.io/developer/1653522796) |

## What reviewers say

### Average Variable Cost

[App page](https://appshunter.io/ios/app/average-variable-cost/id1618659899)

**Features:** macOS Compatibility

**In-app purchases:** none


### Trading Martingale Calculator

[App page](https://appshunter.io/ios/app/trading-martingale-calculator/id6736767354)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Average Variable Cost free?

Average Variable Cost is free to download, with no in-app purchases.

### Is Trading Martingale Calculator free?

Trading Martingale Calculator is free to download, with no in-app purchases.

### Do Average Variable Cost or Trading Martingale Calculator have ads?

Trading Martingale Calculator shows ads; Average Variable Cost does not.

### Which is updated more often, Average Variable Cost or Trading Martingale Calculator?

Average Variable Cost ships an update every 3 weeks, and Trading Martingale Calculator every 9 days. Most recently, Average Variable Cost was updated on October 27, 2026 and Trading Martingale Calculator on October 25, 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.*