# Decker Audio vs RushB

The clearest difference is review sentiment: RushB at 100% against Decker Audio's 14%. RushB also leads on update cadence (weekly vs every 3 months). Decker Audio's advantage is in-app purchases (none vs 8) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. RushB sells 7 in-app purchases, starting at $1.99 per 7 days. Decker Audio asks for nothing beyond the download.

Decker Audio ships an update every 3 months, RushB weekly. The most recent releases landed on October 18, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Decker Audio | RushB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (10 ratings)](https://appshunter.io/ios/app/rushb-cs2-guide/id6738445061/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | 14.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 49 MB | 73 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [SIU KEUNG CHAN](https://appshunter.io/developer/1408408970) | [Denys Boiko](https://appshunter.io/developer/1780870998) |

## What reviewers say

### Decker Audio

[App page](https://appshunter.io/ios/app/decker-audio/id1490057428)

Control your car's audio system with this app. It allows you to tune radio stations, play music from USB drives, and manage Bluetooth audio playback with ID3 information display and EQ controls.

**Highlights:** Radio station scanning and tuning, USB music playback with ID3 display, Bluetooth music control with ID3 display, Treble and bass level adjustment, Play/pause/previous/next controls

**Features:** Vision Pro support

**In-app purchases:** none


### RushB

[App page](https://appshunter.io/ios/app/rushb-cs2-guide/id6738445061)

Master Counter-Strike 2 with this comprehensive training companion. Learn grenade lineups, execute structured tactics, practice team setups, and leverage an AI assistant to elevate your gameplay and win more rounds.

**Highlights:** Grenade lineups (smokes, flashes, molotovs), Combo utility for coordinated plays, Structured tactics and map strategies, Solo, duo, and triple player setups, AI assistant for strategic insights, Competitive bind setups

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $1.99 | per 7 days |
| Monthly Subscription | $3.99 | per month |
| Special Offer Subscription | $19.99 | per year |
| Special Offer Subscription | $19.99 | per year |
| Annualy Subscription | $29.99 | per year |
| Annualy Subscription | $39.99 | per year |
| 6 months Subscription | $39.99 | per 6 months |


## Frequently asked questions

### Is Decker Audio free?

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

### Is RushB free?

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

### Do Decker Audio or RushB have ads?

RushB shows ads; Decker Audio does not.

### Which is updated more often, Decker Audio or RushB?

Decker Audio ships an update every 3 months, and RushB weekly. Most recently, Decker Audio was updated on October 18, 2026 and RushB on October 10, 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.*