The Brutal Reality of Launching a Location-Based App

I thought building Spatial Memory would be easy. I imagined building a Pinterest for the physical world, launching it, and seeing hundreds of users.

Three months later, the reality is different.

I built a complete stack: • Backend: Go • Mobile: Kotlin with ARCore • Database: PostGIS and Redis GEO • Storage: Cloudflare R2

The tech works perfectly. It costs me $2.18 per month to run. Response times stay under 50ms.

Then I launched. The results were quiet: • Total signups: 17 • Total pins created: 23

Location-based apps face a massive chicken-and-egg problem. You need users to create pins, but you need pins to attract users.

Here are the five biggest lessons I learned:

  1. The Cold Start Problem Early adopters want value today. They do not want to do all the work to build a network for users who arrive "someday." If an app has zero content, the value is zero.

  2. GPS Limits GPS is not perfect. In cities with tall buildings, accuracy drops by 20 to 30 meters. If a user stands at a coffee shop but the app says they are 25 meters away, the experience breaks.

  3. Behavior Change is Hard People like the idea of pinning memories. They do not like the effort. Most people just take a photo and post it to Instagram. Changing how people interact with the world is difficult.

  4. Battery Drain Using AR and GPS together kills phone batteries. A user will not carry a power bank just to use a side project.

  5. Privacy Concerns Users get nervous when an app asks for location. Even if you build with privacy in mind, explaining that to a stranger is a challenge.

My advice: Do not build for a general audience. You cannot beat Google Maps or Instagram.

Instead, target a niche. Build for: • Urban explorers • Hiking groups • Local foodies • Street art enthusiasts

These communities already exist. They need specific tools.

This project was not a massive success, but it was a great experiment. I learned more about spatial databases and Go than any tutorial could teach me.

Source: https://dev.to/kevinten10/building-spatial-memory-part-4-the-brutal-reality-of-launching-a-location-based-side-project-4n2

Optional learning community: https://t.me/GyaanSetuAi