SyncLedger

Offline CRM for customer records and invoices during Eritrea blackouts.

Score: 7.5/10ERMedium BuildReady to Spawn
Brand Colors

The Opportunity

Problem

Eritrean businesses endure chronic internet blackouts and sub-1Mbps speeds that cripple digital service deployment and remote operations.

Solution

SyncLedger stores customer data, invoices, and notes offline with compressed sync for low speeds. Multi-device support ensures teams access latest info instantly. Tailored for govtech with audit logs and export compliance.

Target Audience

Eritrean businesses, particularly govtech companies

Differentiator

Minimalist, data-compressed sync under 10KB per update for 1Mbps Eritrea nets.

Brand Voice

friendly

Features

Offline Contacts

must-have12h

Add/edit customers, notes offline with search.

Invoice Builder

must-have14h

Create simple invoices offline, PDF export.

Data Sync

must-have16h

Compressed delta sync across devices.

Activity Log

must-have8h

Timeline of changes, offline viewable.

Team Sharing

must-have10h

Shared ledgers with permissions.

Import/Export

nice-to-have6h

CSV sync for legacy data.

Custom Fields

nice-to-have5h

Govtech-specific fields.

Reminders

nice-to-have7h

Offline due date alerts.

Total Build Time: 78 hours

Database Schema

users

ColumnTypeNullable
iduuidNo
emailtextNo
created_attimestampNo

ledgers

ColumnTypeNullable
iduuidNo
nametextNo
owner_iduuidNo

Relationships:

  • owner_id -> users.id

contacts

ColumnTypeNullable
iduuidNo
nametextNo
phonetextYes
ledger_iduuidNo
notestextYes
last_updatedtimestampYes

Relationships:

  • ledger_id -> ledgers.id

invoices

ColumnTypeNullable
iduuidNo
contact_iduuidNo
amountintNo
statustextNo
ledger_iduuidNo

Relationships:

  • contact_id -> contacts.id
  • ledger_id -> ledgers.id

API Endpoints

GET
/api/ledgers

List ledgers

🔒 Auth Required
POST
/api/contacts

Upsert contacts sync

🔒 Auth Required
GET
/api/invoices

Fetch invoices by ledger

🔒 Auth Required
POST
/api/sync/delta

Compressed delta sync

🔒 Auth Required

Tech Stack

Frontend
Next.js 14 + Tailwind CSS + shadcn/ui + TanStack Query
Backend
Next.js API routes + Supabase Edge Functions
Database
Supabase Postgres
Auth
Supabase Auth
Payments
Stripe
Hosting
Vercel
Additional Tools
pdf-lib for invoiceslz-string compression

Build Timeline

Week 1: Foundation

20h
  • Auth
  • Ledger/DB setup

Week 2: Contacts/Invoices

30h
  • CRUD UIs
  • Offline storage

Week 3: Sync + Sharing

35h
  • Delta sync
  • Permissions

Week 4: Exports + Launch

25h
  • PDF gen
  • Payments
  • Landing
Total Timeline: 4 weeks • 110 hours

Pricing Tiers

Free

$0/mo

No sharing

  • 1 ledger
  • 500 contacts

Pro

$30/mo

10 users

  • 5 ledgers
  • Unlimited data
  • Team share

Enterprise

$99/mo

None

  • Unlimited
  • Audit logs
  • API access

Revenue Projections

MonthUsersConversionMRRARR
Month 1604%$72$864
Month 64507%$945$11,340

Unit Economics

$18
CAC
$380
LTV
3.5%
Churn
94%
Margin
LTV:CAC Ratio: 21.1xExcellent!

Landing Page Copy

Your Offline CRM for Blackout-Proof Business

Sync customers & invoices anywhere, anytime in Eritrea.

Feature Highlights

Offline everything
Compressed sync
Invoice PDFs
Team ledgers

Social Proof (Placeholders)

"'Kept records safe' - Local Gov"
"'Lightweight perfection' - Eritrea Startup"

First Three Customers

Target Eritrea chamber of commerce members via email list. Offer custom onboarding call. Share case study on LinkedIn to attract govtech.

Launch Channels

Product Huntr/smallbusinessEritrea Facebook groupsIndie Hackers

SEO Keywords

Eritrea offline CRMgovtech blackout customer managementlow speed invoice tool Eritreaoffline business ledger

Competitive Analysis

HubSpot CRM

hubspot.com
Free-$800/mo
Strength

Features rich

Weakness

Data heavy, no offline

Our Advantage

Ultra-light for Eritrea nets

🏰 Moat Strategy

Data migration barriers + Eritrea compliance formats.

⏰ Why Now?

Rising govtech requiring compliant digital records.

Risks & Mitigation

executionmedium severity

Compression bugs

Mitigation

Extensive offline testing

financiallow severity

Slow adoption

Mitigation

Free tier virality

Validation Roadmap

pre-build10 days

Landing waitlist

Success: 50 signups

growth60 days

Referral program

Success: 20% referral rate

Pivot Options

  • Pure invoicing app
  • Offline inventory
  • Personal finance

Quick Stats

Build Time
110h
Target MRR (6 mo)
$1,000
Market Size
$6.0M
Features
8
Database Tables
4
API Endpoints
4