# Backster vs Replay Trader

The clearest difference is ads: Backster at none against Replay Trader's shown. Replay Trader's advantage is iOS requirement (16.4 vs 18.6). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Backster sells 6 in-app purchases, starting at $4.00 per 7 days and Replay Trader sells 6 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Backster ships an update weekly, Replay Trader every 5 days. The most recent releases landed on October 25, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Backster | Replay Trader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (6 ratings)](https://appshunter.io/ios/app/replay-trader-trading-sim/id6778979705/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 48 MB |
| Requires iOS | 18.6 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Elgene Lye](https://appshunter.io/developer/6773017514) | [Daan Koeman](https://appshunter.io/developer/1891048034) |

## 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 |


### Replay Trader

[App page](https://appshunter.io/ios/app/replay-trader-trading-sim/id6778979705)

Practice trading strategies with historical market data without risking real money. Analyze your simulated trades, review performance, and receive AI-assisted feedback to improve your skills. Unlock advanced features and market data with a subscription.

**Highlights:** Historical chart replay, Simulated trading modes, Performance tracking, AI Trade Review, AI Chart Scan, Forex and stock backtesting

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Pro Annual | $22.99 | per year |
| Remove Ads (Lifetime) | $1.99 | one-time |
| 10 AI Credits | $1.99 | one-time |
| 40 AI Credits | $4.99 | one-time |
| 100 AI Credits | $9.99 | one-time |


## Frequently asked questions

### Is Backster free?

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

### Is Replay Trader free?

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

### Do Backster or Replay Trader have ads?

Replay Trader shows ads; Backster does not.

### Which is updated more often, Backster or Replay Trader?

Backster ships an update weekly, and Replay Trader every 5 days. Most recently, Backster was updated on October 25, 2026 and Replay Trader on November 5, 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.*