App ideas — week of September 14, 2026

Focuses on finding the best deals and discounts on subscriptions.

Users are always looking for ways to save money, especially in tough economic times.

Why build it: Proven demand: a small app in this space held the US top paid chart on 5 of 7 days with no ratings yet. Crowded at the top (13 of 61 apps have 10k+ ratings), hence the narrower angle. The data already exists.

Data to build on: Could use APIs from coupon websites, but may require agreements.

Focuses on historical price action of various cryptocurrencies.

Crypto traders often seek to backtest strategies in a volatile market, making this tool valuable.

Why build it: Proven demand: a small app in this space held the US top paid chart on 4 of 7 days with only 1 rating. Crowded at the top (18 of 63 apps have 10k+ ratings), hence the narrower angle. The data already exists.

Data to build on: Use historical price data from APIs like CoinGecko or CoinMarketCap, which provide free access to historical cryptocurrency data.

Combines packet sending with real-time network analysis and diagnostics.

Network admins require tools to troubleshoot and optimize networks on-the-go.

Why build it: Proven demand: a small app in this space held the US top paid chart on 3 of 7 days with only 4 ratings. Crowded at the top (4 of 62 apps have 10k+ ratings), hence the narrower angle. The data already exists.

Data to build on: Public network performance datasets (e.g., Netdata) could be integrated.

Focuses solely on non-alcoholic cocktail recipes.

Growing trend towards non-alcoholic beverages creates demand.

Why build it: Proven demand: a small app in this space held the US top paid chart on 5 of 7 days with only 6 ratings. Crowded at the top (3 of 45 apps have 10k+ ratings), hence the narrower angle. The data already exists.

Data to build on: Reuse existing cocktail recipes and modify them to be non-alcoholic.

Focus on hip-hop samples and beats with a similar dual-scene layout.

Hip-hop producers seek mobile solutions for beat-making on the go.

Why build it: Proven demand: a small app in this space held the US top paid chart on 5 of 7 days with only 3 ratings. Crowded at the top (17 of 72 apps have 10k+ ratings), hence the narrower angle. The data already exists.

Data to build on: Public domain hip-hop samples can be sourced from online archives.