sinusedo

Alexey Nadzharov · iOS

sinusedo

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

sinusedo screenshot 1sinusedo screenshot 2sinusedo screenshot 3sinusedo screenshot 4sinusedo screenshot 5sinusedo screenshot 6

03 / Market context

The business behind the app.

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

How Much Does sinusedo Make?

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

Platform Performance

🍎iOS
Revenue
$1.0K
Downloads
1.0K
Rating
4.7 (7)

Rating Distribution

4.7
★★★★★
7 reviews
5
0%
4
0%
3
14%
2
0%
1
86%

Top Countries

🇺🇸 US🇬🇧 GB🇩🇪 DE
Reviews (1)
★★★☆☆octosquid11/7/2022
Innovative concept, but limited options and too many bugs

Suggestions for the dev: Alex Nadzharov has created many creative apps that allow for n-tet (4 to 72-tet). Sinusedo is one of them, and it allows us to create some amazing multi-tet harmonies using both keyboards. However, the app is extremely buggy, and the options for control are limited. I always like to write directly to the dev with questions, suggestions, and bug reports. However, Alex hasn't provided any method to contact him, so I'm reluctantly posting these comments with the hope that Alex will read them and consider fixing these serious bugs as well as adding these additional functions.

I will of course remove this review if the dev contacts me (I left a msg on his Facebook page for his rrarrow app), and I will give this app 5 stars if all these bugs are fixed and user options are added. • A more in-depth manual and/or video tutorials would help • An email address for support, suggestions, bug reports • For the "keys" button, a double-tap would reset the number at 12 rather than having to punch up to 60 times to return it to this! • We can slide our finger along the top of held notes for volume to create a pattern, or swipe under the note to create mixed oscillations. It would be nice to have a swipe on all the notes to turn off a range (or all) of the notes. (I know that if we change the number of keys, all the sound will stop for both keyboards, the the above method is more flexible.) • It would be nice to have an option that when we close a keyboard the sound stops. In other words, perhaps two buttons: – would close the keyboard and stop the sound playing; –🎵would close the keyboard but keep the sound playing • Turning on a sustained note always plays the note at full volume. It would be nice to have the option to start all notes at a very low volume so we can fade them up as needed. • BUG: sometimes (often) when turning on notes, the rectangle doesn't appear, so you can't turn off the note. You have to click on a different note, then the rectangle appears. • BUG: sometimes when touching the white portion of the notes and adjusting the volume, the note stays on, and often it's difficult to get the note turned off because it doesn't have the gray rectangle! • BUG: when a note is sustained, then we tap the rectangle to turn it off, there is a bump in the volume before the sustain portion. This increased bump in volume is very noticeable. • BUG: often when you have one or more sustained notes playing and add another one, it has no sound. If you drag the light gray mod rate bar down, you can then get the sound to trigger • BUG: when you have a sustained note, then press the keys button (up or down, which turns off all sound and deletes all notes for both keyboards), then return the keys setting to what it was and press the same note you had before, pressing anywhere in the sustain area won't turn it on. However, other notes will turn on. The only way I've found to turn on the previously turned-on note is to first drag up/down in the upper (volume) area. This turns on a sustained note (which it shouldn't), then tap the 'off' rectangle. Now you can click the lower portion to turn on the note.

Version History (7)
1.2.04/14/2026
1.1.412/11/2022
1.1.312/9/2022
1.1.212/4/2022
1.1.111/25/2022
1.1.011/24/2022
1.0.011/6/2022
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
App Details

'sinusedo' is a sinewave synthesizer in standalone and AUv3 formats. It features two independent keyboards with: • 4 – 72 keys (voices, steps) per oc...

iOS App ID
6444181090
Content Rating
4+
Min OS
15.0
Size
11.0 MB
Publisher
Alexey Nadzharov