# Dupe.fi vs TwoUp Split Screen Dual Window

The clearest difference is in-app purchases: Dupe.fi at none against TwoUp Split Screen Dual Window's 2. Dupe.fi also leads on iOS requirement (15.1 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. TwoUp Split Screen Dual Window sells 2 in-app purchases, starting at $6.99 per 7 days. Dupe.fi asks for nothing beyond the download.

Dupe.fi ships an update every 6 days, TwoUp Split Screen Dual Window weekly. The most recent releases landed on October 5, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Dupe.fi | TwoUp Split Screen Dual Window |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dupefi/id6575394906/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Weekly |
| Monetization | Free | — |
| Size | 80 MB | 4 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [REPLICANT LABS LTD](https://appshunter.io/developer/1759425104) | [Mikalai Kuts](https://appshunter.io/developer/1757613729) |

## What reviewers say

### Dupe.fi

[App page](https://appshunter.io/ios/app/dupefi/id6575394906)

This app enhances your trading experience by providing real-time market data and instant notifications for trending items. Monitor purchases, sales, and auctions, and resolve disputes with a single tap. Customize alerts to stay informed on what matters most.

**Highlights:** Discover trending CS2 items, Track item prices, In-depth market data and price history, Instant push notifications for trades, Monitor and validate trades, Customize notification settings

**In-app purchases:** none


### TwoUp Split Screen Dual Window

[App page](https://appshunter.io/ios/app/twoup-split-screen-dual-window/id6802056782)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TwoUp Plus Week | $6.99 | per 7 days |
| TwoUP Plus Year | $59.99 | per year |


## Frequently asked questions

### Is Dupe.fi free?

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

### Is TwoUp Split Screen Dual Window free?

TwoUp Split Screen Dual Window is free to download, with in-app purchases available.

### Do Dupe.fi or TwoUp Split Screen Dual Window have ads?

Neither Dupe.fi nor TwoUp Split Screen Dual Window shows ads.

### Which is updated more often, Dupe.fi or TwoUp Split Screen Dual Window?

Dupe.fi ships an update every 6 days, and TwoUp Split Screen Dual Window weekly. Most recently, Dupe.fi was updated on October 5, 2026 and TwoUp Split Screen Dual Window on October 15, 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.*