# Backster vs Backtest Trading

The clearest difference is update cadence: Backtest Trading at every 3 days against Backster's weekly. Backtest Trading also leads on device support (4 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Backster sells 6 in-app purchases, starting at $4.00 per 7 days and Backtest Trading sells 4 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Backster ships an update weekly, Backtest Trading every 3 days. The most recent releases landed on October 9, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Backster | Backtest Trading |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Size | 7 MB | 28 MB |
| Requires iOS | 18.6 | **17** |
| Devices | iPhone | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Elgene Lye](https://appshunter.io/developer/6773017514) | [Dat Thanh Nguyen](https://appshunter.io/developer/1481241176) |

## What reviewers say

### Backster

[App page](https://appshunter.io/ios/app/backster/id6773017512)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $4.00 | per 7 days |
| Max | $13.49 | per 7 days |
| Pro | $14.99 | per month |
| Max | $49.99 | per month |
| Ultra | $54.00 | per 7 days |
| Ultra | $200.00 | per month |


### Backtest Trading

[App page](https://appshunter.io/ios/app/backtest-trading/id6783314365)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StopTrading Pro | $9.99 | per month |
| StopTrading Power | $29.99 | per month |
| StopTrading Pro Annual | $79.99 | per year |
| StopTrading Power Annual | $239.99 | per year |


## Frequently asked questions

### Is Backster free?

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

### Is Backtest Trading free?

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

### Do Backster or Backtest Trading have ads?

Neither Backster nor Backtest Trading shows ads.

### Which is updated more often, Backster or Backtest Trading?

Backster ships an update weekly, and Backtest Trading every 3 days. Most recently, Backster was updated on October 9, 2026 and Backtest Trading on October 1, 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.*