Production-Ready Acquisition

Stop building.
Start launching.

An AI-powered nutrition tracker built in 4 months, 47,165 lines of production code, 12 languages, Google Play approved.

Take over a complete codebase + a fine-tuned YOLOv12 food-detection model + Architecture C IA pipeline (just shipped) — and skip 6 months of dev work.

Try the App → See What You Get

$25,000 asking price

$105,000+ replacement value

76 % discount

GPT-5.4 Vision detecting roast chicken with 99% confidence

to scan any meal

languages

99%

confidence

47,165

lines of code

production screens

backend endpoints

142

tests passing

languages i18n

317

git commits

Built for builders who'd rather launch than code.

🚀

Indie hackers

Get a production app + audience-ready product without 4 months of solo grind.

🎯

Health & wellness brands

White-label or rebrand — enter mobile in 2 weeks instead of 6 months.

📱

Marketing agencies

Acquire an AI-native asset to upsell to your fitness/nutrition clients.

🤖

AI/ML engineers

A real production codebase + custom-trained YOLOv12 model. Learn by owning.

📈

Existing nutrition apps

Acquire a competitor's IP, or expand internationally with built-in 12-language support.

🎬

Content creators

Fitness/nutrition TikTokers, YouTubers, IG creators with an audience to monetize.

From meal photo to calorie tracking in 3 seconds

Real workflow captured live — GPT-5.4 Vision + Architecture C cascade pipeline analyzing an actual chicken platter photo.

Calpyra Home — 2420 kcal daily budget, On track

STEP 1

Home dashboard

2,420 kcal goal · macros · weight tracking · Health Connect data

Scan menu — Photo / Camera / Manual / Barcode

STEP 2

Pick input method

Photo (gallery) · Camera · Manual entry · Barcode (EAN/UPC/Code128)

AI analysis — gpt5_vision detects roast chicken 99% confidence

STEP 3

AI detects 5 foods

99% roast chicken · 97% sweet potato · 98% potatoes · 99% peas · 96% Brussels sprouts

Foods breakdown with macros and AI-estimated weight

STEP 4

Macros + weight

Per-food macros, AI-estimated grams, edit if needed, save meal

Home updated — 1559 kcal left, recently eaten with photo thumbnail

STEP 5

Home updated live

1,559 kcal left · recently eaten with thumb · streak counter +1

STEP 6

Diary breakdown

4 macro rings · meal-by-meal · per-food edit · AI badge on detected items

STEP 7

NutriCoach AI

Reads your live data: "Low protein: 98/232g" · personalized in 12 languages

Progress charts — weekly calories, macros, weight tracking

STEP 8

Progress tracking

Weekly calories chart · macros · weight history · badges + streaks

+ 13 more screens : Activity · Fasting · Health Connect · Settings · Paywall · Manual add · Food detail · Meal plan · Blood pressure · Glucose · Progress photos · Badges · Gallery

📲

Install the real app on your Android

The production AAB (v1.1.0, versionCode 20) is live on Google Play Internal Testing. You'll install the actual Play Store build — not a sideloaded debug APK.

ℹ️ Internal Testing is invitation-only (Google Play standard). Send your Gmail → I add you to the testers list → you get the Play Store install link in < 10 min.

Request tester access → Already invited? Accept here ↗

$105,000+ of value for $25,000

A complete, audited, transparent inventory of what you'll own on Day 1.

Asset

What it is

Replacement cost

Calpyra Mobile App (RN/Expo, 47k LOC)

21 screens, 70 components, 29 stores

$45,000

Calpyra Backend API (FastAPI, 7k LOC)

24 endpoints, Architecture C

$15,000

YOLOv12 fine-tuned food model

Custom-trained, proprietary

$8,000

Architecture C cascade pipeline

Tier 1/2/3 + ONNX depth + filter

$12,000

Health Connect Android integration

3 weeks solo fight with permissions

$5,000

12-language i18n (9,600+ strings)

fr · en · es · de · ja · ar · zh · ko · ru · pt · hi · id

$4,800

Google Play Console (Draft + AAB ready)

Listing, screenshots, IARC, Data Safety

$3,000

142 backend tests + 3 ADRs + Obsidian knowledge graph

10,355-node graph for fast onboarding

$4,200

Apple HealthKit + EAS Build pipeline + Firebase + Sentry + Brand assets

Stack ready to ship

$8,000

TOTAL REPLACEMENT VALUE

$105,000

YOUR PRICE TODAY

76 % discount

$25,000

🎁 Plus 5 free bonuses ($5,000 value)

✅ 7-day post-acquisition support (email + 2× 30min calls)
✅ Full Obsidian knowledge graph (10,355 nodes — onboard in 2 hours)
✅ Cal-Halal sister repo access (reference Architecture C implementation)
✅ YOLOv12 model + training scripts (re-train on your dataset)
✅ TAM/competitor data (50 curated data points on MyFitnessPal, Lifesum, Yazio, etc.)

Built on a $1B+ technology stack

Modern. Tested. Documented. Production-grade.

📱 Frontend (Mobile + Web)

• React Native + Expo ~55 (TypeScript strict)
• Zustand state management (29 stores)
• i18next (12 production languages)
• Firebase Auth + Crashlytics
• RevenueCat subscription SDK (wired)
• react-native-health-connect + HealthKit
• expo-sqlite local storage
• Sentry error tracking + breadcrumbs

⚙️ Backend (AI Pipeline)

• FastAPI + Python 3.11 (24 endpoints)
• GPT-5.4-mini Vision (5× cheaper than full)
• Claude Sonnet 4.5 (Tier 3 cross-model)
• Depth Anything v2 Small ONNX (local CPU)
• YOLOv12 fine-tuned (`calpyra_food_v12.pt`)
• Confidence Cascade Tier 1/2/3 auto-routing
• CIQUAL + OpenFoodFacts + USDA + Edamam fallback chain
• Sentry + Railway production observability

/analyze-vision Pipeline (Architecture C)

POST /analyze-vision (avg latency 3-9s, $0.001/call)
  ├─ [parallel] GPT-5.4-mini Vision     → foods + bbox_xyxy_norm + confidence
  └─ [parallel] Depth Anything v2 ONNX  → relative depth map (~50 MB CPU)
                  ↓
Confidence cascade (auto-routed)
  ├─ Tier 1 (avg ≥ 0.80)  → single-pass (~70 % of traffic)
  ├─ Tier 2 (0.60-0.80)   → self-consistency N=3 + median merge
  └─ Tier 3 (< 0.60)      → GPT + Claude Sonnet 4.5 ensemble
                  ↓
Post-filter → drops non-edibles (leaves, herbs < 5g)
                  ↓
Depth volume → bbox crop → background subtract → grams
                  ↓
Nutrition: LOCAL → CIQUAL → OFF → USDA → Edamam → estimate
                  ↓
Response: foods[] with calories, protein, carbs, fat, fiber, micros

Try it. No install required.

3 ways to evaluate Calpyra in less than 5 minutes.

🎬

3-min walkthrough video

See onboarding, AI scan, NutriCoach chat, Health Connect, and architecture in 3 minutes.

Watch on Loom →

Recommended starting point

💻

Live web preview

Click around the UI from your browser. Coach chat works. Camera/Health are native-only.

Open Web Demo →

No install, no signup

📲

Install the APK

Full app experience on your Android. Camera + AI scan + Health Connect all work.

Download APK →

Via Firebase App Distribution

🟢 Backend live (verify yourself)

$ curl https://calpyra-ai-production.up.railway.app/ping
{"pong":true,"openai_ready":true}

$ curl https://calpyra-ai-production.up.railway.app/health
{"status":"ok","model_type":"gpt5_vision","openai_configured":true,"ciqual_foods":79}

Why now?

REASON #1

Pre-Play-Store validation

Google Play Production approval is imminent (in Draft since 2 April). Buying pre-approval = pre-validation price. Asset value jumps 60-80 % the day it's live.

REASON #2

Peak technical freshness

Architecture C cascade pipeline shipped 24 hours ago. Codebase is at its cleanest. Every day = more lock-in to design decisions you may want to change.

REASON #3

AI nutrition wave

GPT-5 family (released spring 2026) changed AI cost/quality forever. First movers in AI-native nutrition dominate the next 18 months. Late entrants spend $50k+ to catch up.

5 personal guarantees

No risk for you. All risk on me.

🔒

30-day "Build Working" Guarantee

If after transfer you can't get the app + backend running locally following the included SETUP.md, I'll walk you through it on a call. Still broken? Full refund.

🔒

Code Originality Guarantee

100 % original code or MIT/Apache dependencies. No GPL contamination. Audit attached.

🔒

Play Store Transfer Guarantee

I personally manage the Google Play Console transfer. Transfer fails on my side? Full refund.

🔒

No Hidden Costs Guarantee

All third-party services I use are listed in inclusions. No surprise SaaS bills.

🔒

Source Code Completeness Guarantee

What's in the repo IS the entire production codebase. No hidden binaries, no opaque assets.

Honest answers to hard questions

Why is the MRR $0?+

Because the app hasn't shipped to Production yet. RevenueCat is wired (`purchaseService.ts`) and the paywall screen exists, but I disabled `hasProAccess()` so testers could try premium features. You unlock revenue with 1 line of code + RevenueCat key config in 15 minutes.

How long until I can launch?+

3 days minimum. Steps: transfer Play Console + Firebase + Railway (Day 1), configure RevenueCat (Day 1), click "Promote to Production" (Day 2-7 for Google review), launch marketing (Day 7+).

How dependent is this on OpenAI / Railway?+

OpenAI is required (vision model). gpt-5.4-mini costs ~$0.001/scan. Easy to swap to Claude or Gemini in 1 day. Railway is trivial to migrate to Fly.io / Render / any Docker host (Dockerfile included).

What's the realistic timeline to $1k MRR?+

Conservative projection with modest marketing: Month 1 = ~$50 MRR (100 downloads, 5-10 paying), Month 3 = ~$400 MRR (1k downloads, 50-80 paying), Month 6 = ~$1,500 MRR (5k downloads, 200-300 paying). Based on 10 % conversion at $5/month — nutrition niche benchmark.

What are the top weaknesses (be honest)?+

Full transparency: (1) VLM over-estimates meat weight ~30-45 % — fixable in 1 day with category caps. (2) Non-deterministic carrot↔sweet-potato classification by gpt-5.4-mini — needs forced Tier 3 cross-model. (3) No iOS build yet — code is iOS-ready, ~1-2 weeks to ship. All documented in the audit folder.

What's the time commitment to maintain this?+

~5-10 hours/week minimum for customer support, dependency updates, occasional bug fixes. Scales linearly with users. NOT a passive asset (no SaaS is).

Why are you selling?+

I'm a solo developer with 3 other live projects competing for my time. I can't dedicate the 20-30 hours/week needed for marketing, ASO, customer support, and iteration. I'd rather see Calpyra succeed in operator hands than stagnate in my portfolio.

Is the price negotiable?+

$25k is the listing price. Bonuses (domain transfer, extended support) are included at full ask. No earn-outs / equity / vendor financing. Cash via Acquire escrow.

Stop building. Start launching.