Quartet 1

UK Music Apps Ltd · iOS

Quartet 1

Explore the ad evidence, study the storefront, and build your next acquisition hypothesis.

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01 / Creative research

Turn the unknowns into a research plan.

01

Check the acquisition promise

Read the store headline, screenshots and description. What problem is the app promising to solve?

Study the storefront
02

Look for ad evidence

Explore apps with direct store-link matches. Compare their hooks and formats without assuming the same approach works here.

Browse observed advertisers
03

Separate demand from paid growth

Store rankings and revenue estimates describe market context. They do not establish ad spend, conversions or ROAS.

Review the market context

02 / Storefront & product

Where the click lands.

Study the product story and store experience behind the acquisition funnel.

Screenshots

Quartet 1 screenshot 1Quartet 1 screenshot 2Quartet 1 screenshot 3Quartet 1 screenshot 4Quartet 1 screenshot 5Quartet 1 screenshot 6Quartet 1 screenshot 7Quartet 1 screenshot 8

03 / Market context

The business behind the app.

Keep revenue, downloads and store rankings separate from advertising performance.

How Much Does Quartet 1 Make?

Monthly Revenue
$1.0K
Annualized estimate
$12.0K
Per Download
$1.00

Platform Performance

🍎iOS
Revenue
$1.0K
Downloads
1.0K
Rating
4.6 (104)

Rating Distribution

4.6
★★★★★
104 reviews
5
4%
4
1%
3
4%
2
16%
1
75%

Top Countries

🇬🇧 GB🇺🇸 US🇩🇪 DE
Reviews (3)
★★★★★FrancisChris9/27/2025
Excellent jazz play along

Great app with music played by real musicians. The advantage of this is huge. You get the high quality and real groove of a live performance, with all the variations in texture and rhythms, along with more sophisticated chords and riffs, plus song intros and a horn if you like. The band plays the actual bass patterns in songs like Footprints and All Blues - things you generally don’t get in synthetic apps like iReal Pro. Although you can modestly change speed and key signature, I find the range is limited by a degradation in sound quality that creeps in when you stray too far from the original. This is an inherent problem when you work from a single live recording and try to stretch the pitch and/or speed. A real band playing in a different key would also use a different set of voicings rather than simply play every note higher or lower. This is where iReal Pro with its synthesized sound has the advantage. But if you stay close to the original recording, Quartet is by far the best play-along app I’ve found.

★★★★QuestchenMusic5/8/2025
Game changer app for jazz musicians! However…

As a jazz musician myself, the Quartet apps are so much more motivating to practice with than iReal Pro. The fact that these are REAL musicians playing these tunes is SO good; it’s basically like having the Jamey Aebersold tracks on your phone! However, I’ve noticed quite a few gripes that are preventing me from giving it a full 5 stars. One thing that I think NEEDS to be fixed is a pretty major issue when you’re changing keys. I get that it’s basically putting a pitch shifter on the recording, but why do the drums have to be pitch shifted as well? That alone makes the tracks sound really tinny as you go to a “higher” key than the original and that should not be happening (iReal does not have this issue). Also, I personally think the prices of exporting the track stems is a bit much…especially after already paying for the apps themselves. I do understand the distribution licensing, but I feel that we should be able to export at least the tracks without the soloist in the quartet for personal use. Other than that, AMAZING apps, these are definitely replacing iReal as a practice tool for me!

★★★★★solarchris10/10/2022
Big congrats from Chris Standring!

I have been jamming to your new quartet app all afternoon and it is absolutely phenomenal. I’m always looking for super high quality ready made backing tracks. These are so good I felt like I was in the room playing live with a band. I have to say this is hands down the best I have heard. Real players playing together, and so musically too. The brilliance is the ability to select a different key to any song and set the tempo too. All these songs are must-know titles from the jazz repertoire and I feel like digging in deep. Congrats to all you guys, you have a clear winner!

Version History (12)
3.29/16/2026
3.19/3/2026
3.08/23/2026
2.3.04/9/2026
2.2.24/3/2026
2.2.111/24/2025
2.211/14/2025
2.18/27/2025
2.0.14/17/2025
2.03/13/2025
Available In (115 Countries)
🇺🇸 United States🇦🇺 Australia🇨🇦 Canada🇨🇳 China🇫🇷 France🇩🇪 Germany🇬🇧 United Kingdom🇮🇹 Italy🇯🇵 Japan🇰🇷 South Korea🇷🇺 Russia🇩🇿 DZ🇦🇴 AO🇦🇷 Argentina🇦🇹 Austria🇦🇿 AZ🇧🇭 BH🇧🇧 BB🇧🇾 BY🇧🇪 Belgium🇧🇲 BM🇧🇷 Brazil🇧🇬 Bulgaria🇨🇱 Chile🇨🇴 Colombia🇨🇷 CR🇭🇷 Croatia🇨🇾 CY🇨🇿 Czech Republic🇩🇰 Denmark🇩🇴 DO🇪🇨 EC🇪🇬 Egypt🇸🇻 SV🇫🇮 Finland🇬🇭 GH🇬🇷 Greece🇬🇹 GT🇭🇰 Hong Kong🇭🇺 Hungary🇮🇳 India🇮🇩 Indonesia🇮🇪 Ireland🇮🇱 Israel🇰🇿 KZ🇰🇪 Kenya🇰🇼 KW🇱🇧 LB🇱🇹 Lithuania🇱🇺 LU🇲🇴 MO🇲🇬 MG🇲🇾 Malaysia🇲🇹 MT🇲🇽 Mexico🇳🇱 Netherlands🇳🇿 New Zealand🇳🇬 Nigeria🇳🇴 Norway🇴🇲 OM🇵🇰 Pakistan🇵🇦 PA🇵🇪 Peru🇵🇭 Philippines🇵🇱 Poland🇵🇹 Portugal🇶🇦 QA🇷🇴 Romania🇸🇦 Saudi Arabia🇷🇸 RS🇸🇬 Singapore🇸🇰 Slovakia🇸🇮 Slovenia🇿🇦 South Africa🇪🇸 Spain🇱🇰 LK🇸🇪 Sweden🇨🇭 Switzerland🇹🇼 Taiwan🇹🇭 Thailand🇹🇳 TN🇹🇷 Turkey🇺🇦 Ukraine🇦🇪 UAE🇺🇾 UY🇺🇿 UZ🇻🇪 VE🇻🇳 Vietnam🇧🇴 BO🇰🇭 KH🇪🇪 Estonia🇱🇻 Latvia🇳🇮 NI🇵🇾 PY🇦🇫 AF🇬🇪 GE🇮🇶 IQ🇱🇾 LY🇲🇦 MA🇲🇿 MZ🇲🇲 MM🇾🇪 YE🇧🇯 BJ🇧🇫 BF🇨🇲 CM🇨🇬 CG🇨🇮 CI🇯🇴 JO🇱🇦 LA🇲🇱 ML🇸🇳 SN🇹🇿 TZ🇺🇬 UG🇿🇲 ZM🇿🇼 ZW
Supported Languages (4)
EnglishGermanJapaneseSpanish
App Details

Practice and perform jazz standards on another level with Quartet. And with a host of brand-new features, the top-selling jazz play along apps just g...

iOS App ID
1623038041
Content Rating
4+
Min OS
16.6
Size
580.8 MB
In-App Purchases
Yes
Publisher
UK Music Apps Ltd
Un