# Trace 2 vs USB Simulator 2015

The clearest difference is price: USB Simulator 2015 at Free against Trace 2's $2.99. USB Simulator 2015 also leads on update cadence (every 11 months vs every 48 months). Trace 2's advantage is rating (4.1 vs 3.3) and in-app purchases (none vs 2). On ratings volume and device support there is nothing between them.

USB Simulator 2015 is free to download; Trace 2 costs $2.99 up front. USB Simulator 2015 sells 2 one-off in-app purchases. Trace 2 asks for nothing beyond the download.

Trace 2 holds the better App Store score, 4.1 against 3.3. Both are backed by a comparable volume of ratings — 31 and 49 respectively. Written reviews point the same way: 63% of Trace 2's written reviews are positive against 37% of USB Simulator 2015's.

Trace 2 ships an update every 48 months, USB Simulator 2015 every 11 months. The most recent releases landed on September 26, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Trace 2 | USB Simulator 2015 |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.1 (31 ratings)](https://appshunter.io/ios/app/trace-2/id335668591/reviews)** | [3.3 (49 ratings)](https://appshunter.io/ios/app/usb-simulator-2015/id955579995/reviews) |
| Number of ratings | 31 | **49** |
| Positive reviews | **63.3% of reviews** | 36.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 48 months | **Every 11 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#198** | — |
| Size | 117 MB | 93 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Calderone](https://appshunter.io/developer/289446639) | [Fluik](https://appshunter.io/developer/341885018) |

## What reviewers say

### Trace 2

[App page](https://appshunter.io/ios/app/trace-2/id335668591)

**Currently charting:** #198 Top Paid · Puzzle (US App Store)

Draw platforms and navigate obstacles to reach the goal in this puzzle platformer. Explore eight new worlds with 160 challenging levels, featuring new gameplay mechanics and stunning artwork.

**Highlights:** Draw platforms, Navigate obstacles, 8 new worlds, 160 levels, New gameplay mechanics, Original music, Stunning artwork

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

**In-app purchases:** none


### USB Simulator 2015

[App page](https://appshunter.io/ios/app/usb-simulator-2015/id955579995)

Experience the frustratingly familiar challenge of inserting a USB stick. Test your patience and dexterity to master this common task. Compete with friends for high scores and achievements in this unique simulation game.

**Highlights:** Master USB insertion, Patience and dexterity challenge, Compete for high scores, Unlock achievements, Challenge friends

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gold USB | $0.99 | one-time |
| No Ads | $0.99 | one-time |


## Frequently asked questions

### Is Trace 2 free?

Trace 2 costs $2.99, with no in-app purchases.

### Is USB Simulator 2015 free?

USB Simulator 2015 is free to download, with in-app purchases available.

### Which has better reviews, Trace 2 or USB Simulator 2015?

Trace 2 is rated higher. Trace 2 averages 4.1 out of 5 from 31 ratings, while USB Simulator 2015 averages 3.3 from 49 ratings.

### Do Trace 2 or USB Simulator 2015 have ads?

USB Simulator 2015 shows ads; Trace 2 does not.

### Which is updated more often, Trace 2 or USB Simulator 2015?

Trace 2 ships an update every 48 months, and USB Simulator 2015 every 11 months. Most recently, Trace 2 was updated on September 26, 2026 and USB Simulator 2015 on September 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*