# DJ Sound FX vs FlatPromo

The clearest difference is price: FlatPromo at Free against DJ Sound FX's $0.99. FlatPromo also leads on update cadence (every 3 weeks vs every 46 months). DJ Sound FX's advantage is chart position (#196 vs unranked) and iOS requirement (13.4 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

FlatPromo is free to download; DJ Sound FX costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

DJ Sound FX ships an update every 46 months, FlatPromo every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | DJ Sound FX | FlatPromo |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/dj-sound-fx/id1214563044/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 46 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Best chart rank | **#196** | — |
| Size | 21 MB | 65 MB |
| Requires iOS | **13.4** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Arsosa Network Inc.](https://appshunter.io/developer/1209042440) | [PLOSKOSTI ZVUKA, OOO](https://appshunter.io/developer/1595612204) |

## What reviewers say

### DJ Sound FX

[App page](https://appshunter.io/ios/app/dj-sound-fx/id1214563044)

**Currently charting:** #196 Top Paid · Entertainment (US App Store)

Access a vast collection of high-quality DJ sound effects and a soundboard with an intuitive interface. Trigger various drops, effects, and vocals with simple taps, perfect for parties, events, or casual fun.

**Highlights:** High-quality DJ sound effects, Easy-to-use soundboard interface, Loop sound option, Random sound playback, Timer for scheduled sound playback, Contact support

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

**In-app purchases:** none


### FlatPromo

[App page](https://appshunter.io/ios/app/flatpromo/id6446092842)

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

**In-app purchases:** none


## Frequently asked questions

### Is DJ Sound FX free?

DJ Sound FX costs $0.99, with no in-app purchases.

### Is FlatPromo free?

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

### Do DJ Sound FX or FlatPromo have ads?

Neither DJ Sound FX nor FlatPromo shows ads.

### Which is updated more often, DJ Sound FX or FlatPromo?

DJ Sound FX ships an update every 46 months, and FlatPromo every 3 weeks. Most recently, DJ Sound FX was updated on November 2, 2026 and FlatPromo on November 3, 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.*