Mes Aides — Social Benefits Simulator

Fr social benefits simulator. Free, open-source, 100% confidential. Covers 71 aids (RSA, APL, prime activite, AAH...) with 2026 baremes.

Zero personal data collected, transmitted, or stored.

Architecture — 100% Local

Browser/Mobile App
  User Input → Embedded Calc Engine → Local Results
  Nothing leaves the device.

• core/ — Rust engine: eligibility rules, 71 aids, embedded 2026 baremes
• web/ — Vanilla HTML/CSS/JS, zero framework, embedded engine
• ios/ — SwiftUI + LocalEngine.swift (native Swift, embedded baremes)
• android/ — Kotlin + LocalEngine (native Kotlin, embedded baremes)
• infra/ — nginx config (static files only)

No backend. No API. No database.

Privacy & GDPR

Data	Treatment
Personal situation (age, income, housing...)	Calc in browser/app, never transmitted
Simulation results	Displayed in memory, never saved
Analytics	None — no trackers, no analytics
Language/theme prefs	localStorage only, never transmitted
Identifiers	None — no accounts created

Compliance

• GDPR: zero personal data processed — no consent needed, no DPO required
• No cookies (UI prefs only)
• No third parties: zero ext SDKs, zero ext CDNs, zero ext fonts
• Strict CSP: script-src 'self', connect-src 'self'
• Open source: code auditable by all

Local Dev

# Web (static server)
cd web && python3 -m http.server 8000
# → http://localhost:8000

Deploy (static)

# Copy web/ to any static host (nginx, Caddy, GitHub Pages...)
rsync -avz web/ user@server:/var/www/aides/

Aids Covered (71)

Implemented (baremes 2026 calc)

#	Aid	Key
1	Revenu de Solidarité Active	RSA
2	Prime Activite	PA
3	Allocation de Solidarité Spécifique	ASS
4	Allocation Retour à l'Emploi	ARE
5	Aide Personnalisée au Logement	APL
6	Allocation de Logement Sociale	ALS
7	Garantie Caution Locative	Visale
8	MaPrimeRénov'	-
9	Allocation aux Adultes Handicapés	AAH
10	Majoration Vie Autonome	MVA
11	Prestation de Compensation du Handicap	PCH
12	Allocation Éducation Enfant Handicapé	AEEH
13	Allocation Supplémentaire d'Invalidité	ASI
14	Pension d'Invalidité	-
15	Complémentaire Santé Solidaire	CSS
16-28	Allocations Familiales, PAJE, ASF, ARS, Chèque Energie, ASPA, MICO, CEJ, Bourse CROUS, Pass Culture, Prime Noël, Aide Juridictionnelle	various

In Progress (analysis + guide, calc being integrated)

#	Aid	Category
29-71	See full catalog in web/aides.html

Tests

cargo test -p aides-core   # Rust unit tests

License

MIT — contributions welcome.