# AI Wallpaper Maker vs Engine Sim

The clearest difference is chart position: Engine Sim at #117 against AI Wallpaper Maker's unranked. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. AI Wallpaper Maker sells 10 in-app purchases, starting at $4.99 per 7 days and Engine Sim sells 14 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | AI Wallpaper Maker | Engine Sim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (73 ratings)](https://appshunter.io/ios/app/engine-sim-sound-simulator/id6787443044/reviews)** |
| Number of ratings | — | **73** |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | — | Yes |
| Update frequency | — | Every 3 days |
| Monetization | — | Free with in-app purchases |
| Best chart rank | — | **#117** |
| Size | 20 MB | 43 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 4+ |
| Developer | [ARMAGAN BASKAN](https://appshunter.io/developer/1759852761) | [Sena Takasawa](https://appshunter.io/developer/1887478690) |

## What reviewers say

### AI Wallpaper Maker

[App page](https://appshunter.io/ios/app/ai-wallpaper-maker-gpkit/id6759529570)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan Weekly | $4.99 | per 7 days |
| Pro Plan Weekly | $5.99 | per 7 days |
| Pro Plan Monthly | $7.99 | per month |
| Pro Plan Monthly | $14.99 | per month |
| Pro Plan Annual | $19.99 | per year |
| Pro Plan Annual | $29.99 | per year |
| Pro Plan Annual | $39.99 | per year |
| Pro Plan 10 Credits | $1.99 | one-time |
| Pro Plan 20 Credits | $2.99 | one-time |
| Pro Plan 50 Credits | $4.99 | one-time |


### Engine Sim

[App page](https://appshunter.io/ios/app/engine-sim-sound-simulator/id6787443044)

**Currently charting:** #117 Top Free · Entertainment (US App Store)

Experience realistic engine sounds with interactive controls. Explore a variety of engines, from kei cars to V12s, and feel the vibrations. Practice gear shifting and rev-matching for an immersive automotive simulation.

**Highlights:** 10 realistic engine sounds, Interactive throttle control, Live engine sound generation, Straight-pipe mode, Haptic feedback, H-pattern shifter and paddles, Rev-matching practice

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

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| V6 Grand Tourer | $1.99 | one-time |
| Starter Pack | $1.99 | one-time |
| Quick Shifter | $1.99 | one-time |
| Big Radiator | $1.99 | one-time |
| Over-Rev Kit | $1.99 | one-time |
| Single 450 Moto | $1.99 | one-time |
| Today's Engine (I6/V8) | $1.99 | one-time |
| Big Bore Kit | $2.99 | one-time |
| Custom Gearbox | $3.99 | one-time |
| Today's Engine (V10/V12) | $4.99 | one-time |
| Straight Pipe | $5.99 | one-time |
| W16 Hypercar | $9.99 | one-time |
| Pro Parts Pack | $9.99 | one-time |
| Unlock Everything | $49.99 | one-time |


## Frequently asked questions

### Is AI Wallpaper Maker free?

AI Wallpaper Maker is free to download, with in-app purchases available.

### Is Engine Sim free?

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

---

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