Snowball is in public beta on iOSSee our app

Custom software and AI consulting

JL Labs is a Michigan software company. We build mobile and web apps, and help businesses put AI to work in their products and daily operations.

Start a project See our services

Snowball / This week

SuSundayLong walkNew52s
SaSaturdayRead an hourIn recap41s
FrFridayWalked insteadIn recap36s
ThThursdayEvening walkIn recap48s
WeWednesdayGym, early nightIn recap29s
TuTuesdayWalked 20 minIn recap44s
MoMondayRead at nightIn recap57s
SuLast SundayPlanned aheadIn recap63s
SaLast SaturdayHikeIn recap38s

Weekly recap, 9 to 15 November

Your week in one letter

You walked after dinner on four of five weeknights. That is the habit that held this week.

You read on three nights and went to the gym once. The walks filled the gap on the days the gym did not happen.

Next week, keep the walk and pick one gym day to protect. Wednesday worked last time.

Your longest entry was Monday, a busy day that still ended with a book.

Software development. Mobile, web, backend and AI.

Ships iOS and Android apps

One React Native codebase, built with Expo and released through the App Store and Google Play.

mobile-app/main #212 14m 08s Running

JL Release 1.4.0 c41d7e2

Checkoutgit fetch --depth 15s
Installnpm ci42s
Type checktsc --noEmit31s
Buildeas build6m 48s
Submiteas submitQueued

$git fetch --depth 1 origin main HEAD is now at c41d7e2 Release 1.4.0 $npm ci added 1,104 packages in 42s $tsc --noEmit Found 0 errors $eas build --platform all iOS build 1.4.0 (58) queued Android build 1.4.0 (58) running $eas submit --platform all Uploaded to App Store Connect Uploaded to Google Play

Builds web apps and sites

Next.js and TypeScript front ends, deployed on Vercel with a preview link for every change.

Web / Deployments

CPCustomer portalfix/invoice-totalsBuilding1m
MSMarketing sitemainReady14m
ADAdmin dashboardfeat/export-csvReady38m
CPCustomer portalmainReady2h
DSDocs sitemainReady5h
ADAdmin dashboardmainReady1d

Runs the backend for your apps

Postgres on Supabase with sign-in, row-level security and migrations that are tested before they run.

Production database

4 of 5 on

Row-level securityOn all 9 tables
Email sign-in codesExpire after 10 minutes
Daily backupsKept for 7 days
Public sign-upClosed until launch
Migration testsRun before every deploy

Adds AI features

Speech, writing and reasoning models wired into your product, behind your own interface.

AI consulting in 3 steps

Step 1: pick one task

We look at the work your team repeats and choose the task where a model saves the most time.
Tasks reviewed

3 of 5
- Answer order-status emails
- Enter invoices from PDFs
- Summarise sales calls
- Draft the weekly report
- Route support tickets
Step 2: build it into your tools

The assistant reads your own data and works inside the apps your team already uses.

Assistant
Online

Today, 9:41

Which quotes have been open for over 30 days?

Four quotes. The oldest was sent 47 days ago and has had no reply. Quotes table Sent mail

Write a message
Step 3: test the answers

We score its answers against real cases before launch, and again whenever the model or the prompt changes.

assistant/evals zsh main

~/assistant/evals$npm run evals

4 of 4 files

order-status.eval.ts40 cases6.2s

open-quotes.eval.ts38 cases5.7s

refund-rules.eval.ts44 cases7.1s

tone.eval.ts30 cases2.4s

Eval files4 passed(4)

Cases152 passed(152)

Donein 21.4s

~/assistant/evals$

Questions

Ask anything else by email.

Email JL Labs

What does JL Labs do?

We build software and consult on AI: mobile apps, web apps, backends, and AI features such as assistants and voice.

Who is behind JL Labs?

JL Labs LLC is a Michigan limited liability company, founded in 2026 and based in Troy, Michigan.

Have you shipped a product of your own?

Yes. Snowball is our habit tracker and voice journal. It is in public beta on iOS.

What is the price of a project?

Price on request. It depends on the scope, so tell us what you need first.

How do I contact JL Labs?

Email us what you want to build and where it stands today.

The tools behind our software

We work in a small set of tools we know well. Every one of them runs in production in Snowball, our own app, or on its website.

Mobile: Expo and React Native
Web: Next.js and TypeScript on Vercel
AI: Claude and Deepgram

See Snowball