System Design interview prep

Abdelhak El Moussaoui · iOS

System Design interview prep

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

System Design interview prep screenshot 1System Design interview prep screenshot 2System Design interview prep screenshot 3System Design interview prep screenshot 4System Design interview prep screenshot 5System Design interview prep screenshot 6System Design interview prep screenshot 7System Design interview prep screenshot 8

03 / Market context

The business behind the app.

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

How Much Does System Design interview prep Make?

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

Platform Performance

🍎iOS
Revenue
$1.0K
Downloads
1.0K

Rating Distribution

N/A
☆☆☆☆☆
0 reviews
No rating data available

Top Countries

🇿🇼 ZW🇵🇹 PT
Reviews (2)
☆☆☆☆biometrically-pterosaurian2/6/2026
Cool but half-baked ChatGPT wrapper

The description doesn’t match the application (design a link shortener? Huh?) and some of the optimal solutions seem dubious. The Pro version supposedly has “advanced analytics” but none are seen anywhere in the app while you’re on the trial.

☆☆☆☆swapbbyl2/2/2026
No way to view solutions

If you don’t know you can’t do anything.

Version History (4)
1.0.33/9/2026
1.0.21/12/2026
1.0.112/17/2025
1.0.012/14/2025
Available In (111 Countries)
🇺🇸 United States🇦🇺 Australia🇨🇦 Canada🇨🇳 China🇬🇧 United Kingdom🇯🇵 Japan🇰🇷 South Korea🇷🇺 Russia🇩🇿 DZ🇦🇴 AO🇦🇷 Argentina🇦🇿 AZ🇧🇭 BH🇧🇾 BY🇧🇷 Brazil🇨🇱 Chile🇨🇴 Colombia🇨🇷 CR🇩🇴 DO🇪🇨 EC🇪🇬 Egypt🇸🇻 SV🇬🇭 GH🇬🇹 GT🇭🇰 Hong Kong🇮🇳 India🇮🇩 Indonesia🇮🇱 Israel🇰🇿 KZ🇰🇪 Kenya🇰🇼 KW🇱🇧 LB🇲🇴 MO🇲🇾 Malaysia🇲🇽 Mexico🇳🇿 New Zealand🇳🇬 Nigeria🇳🇴 Norway🇴🇲 OM🇵🇰 Pakistan🇵🇦 PA🇵🇪 Peru🇵🇭 Philippines🇶🇦 QA🇸🇦 Saudi Arabia🇷🇸 RS🇸🇬 Singapore🇿🇦 South Africa🇱🇰 LK🇨🇭 Switzerland🇹🇼 Taiwan🇹🇭 Thailand🇹🇳 TN🇹🇷 Turkey🇺🇦 Ukraine🇦🇪 UAE🇺🇾 UY🇺🇿 UZ🇻🇪 VE🇻🇳 Vietnam🇧🇴 BO🇰🇭 KH🇳🇮 NI🇵🇾 PY🇬🇪 GE🇮🇶 IQ🇱🇾 LY🇲🇦 MA🇲🇿 MZ🇲🇲 MM🇾🇪 YE🇧🇯 BJ🇧🇫 BF🇨🇲 CM🇨🇬 CG🇨🇮 CI🇯🇴 JO🇱🇦 LA🇲🇱 ML🇸🇳 SN🇹🇿 TZ🇺🇬 UG🇿🇲 ZM🇿🇼 ZW🇫🇷 France🇩🇪 Germany🇮🇹 Italy🇦🇹 Austria🇧🇪 Belgium🇧🇬 Bulgaria🇭🇷 Croatia🇨🇾 CY🇨🇿 Czech Republic🇩🇰 Denmark🇫🇮 Finland🇬🇷 Greece🇭🇺 Hungary🇮🇪 Ireland🇱🇹 Lithuania🇱🇺 LU🇲🇹 MT🇳🇱 Netherlands🇵🇱 Poland🇵🇹 Portugal🇷🇴 Romania🇸🇰 Slovakia🇸🇮 Slovenia🇪🇸 Spain🇸🇪 Sweden🇪🇪 Estonia🇱🇻 Latvia
Supported Languages (1)
English
App Details

ArchSim is the ultimate training ground for software engineers preparing for system design interviews. Forget passive reading—ArchSim puts you in the...

iOS App ID
6756310915
Content Rating
4+
Min OS
17.6
Size
89.3 MB
In-App Purchases
Yes
Publisher
Abdelhak El Moussaoui

In-App Purchases (5)

NamePriceType
Unlimited access (Weekly)$3.99Weekly
Unlimited access (Weekly)$4.99Weekly
Unlimited access (Monthly)$6.99Monthly
Unlimited access (Monthly)$12.99Monthly
Unlimited access (Annual)$99.99Yearly