Rex AI — Your AI Co-Worker

Meet Rex. 11 named AI modules. One persona.

ServiceTitan ships one unnamed "AI Sidekick" for $200/mo. ONEREQ PRO ships Rex — 11 named modules across diagnosis, transcription, parts, photo analysis, review replies, hero artwork, AI phone, and more. 3 free in base. 7 in the Rex AI Pro Pack at $129/mo. 1 as Rex Phone.

Rex the AI Tech

The full Rex stack

Three tiers. Eleven modules. One brain.

Rex Basic — included in every plan

Free

Rex Voice

iOS-native voice-to-text. Speak rough notes, get clean text. No API cost, works offline.

Rex AI Chat

Conversational assistant inside the CRM. Quick answers, lookups, suggestions. Cheap inference for low-token chat.

Rex Scan

Snap a photo of an equipment data plate — Rex pulls model, serial, age, manufacturer, AHRI specs. One-shot Vision API per scan.

Rex AI Pro Pack — 7 premium modules

$129/mo

Rex Diagnosis

Tech types rough notes from the truck. Rex rewrites them into a professional, customer-facing diagnosis. Tech approves before save.

Rex Transcribe

AI call transcription via OpenAI Whisper. Every recorded customer call → searchable job-note text. Pull quotes back into estimates.

Rex Parts

Job context in. Pricebook + supplier catalog out. Rex suggests the parts most likely needed for the symptom + equipment combo.

Rex Photo

Tech sends a photo of the equipment. Rex identifies the failure mode (cracked heat exchanger, dirty coil, loose terminal, etc.).

Rex Reputation

Office gets multi-template reply suggestions for Google reviews — tone-matched (apologetic, grateful, professional). Reply in one click.

Rex Artist

AI hero artwork for marketing campaigns. Prompt in, image out. Marketing Items library auto-saves outputs.

Rex Gateway

Vercel AI Gateway routing infrastructure. Auto-picks the cheapest viable model per request (Claude / OpenAI / OSS), with OpenAI fallback.

Rex Phone (AI receptionist via Rilla)

$199/mo + license

Rex Phone

Rilla AI voice integration. Inbound calls answered by AI, captured into the CRM as leads or service requests. Rilla recording panel lives on the tech job page. Rilla license is pass-through to the customer.

vs ServiceTitan AI Sidekick

One unnamed tool vs eleven named modules. Same price for the Pro Pack as ServiceTitan charges for one feature.

ServiceTitan AI Sidekick

1
  • AI conversational assistant$200/mo
  • Named persona
  • Voice-to-text
  • Data-plate scan
  • Diagnosis rewrite
  • Call transcription
  • Parts recommendation
  • Photo equipment analysis
  • Review reply suggestionsPartial in Marketing Pro
  • AI hero artwork
  • AI Phone receptionist~$200/mo separate

Rex AI

11
  • Rex AI Chat✓ Base
  • Named persona (Rex)✓ Base
  • Rex Voice✓ Base
  • Rex Scan✓ Base
  • Rex DiagnosisPro Pack $129/mo
  • Rex TranscribePro Pack
  • Rex PartsPro Pack
  • Rex PhotoPro Pack
  • Rex ReputationPro Pack
  • Rex ArtistPro Pack
  • Rex Phone$199 + license

Rex AI Pro Pack

$129/mo

Annual prepay: $1,290/yr — save $258. 7 premium Rex modules, all inference costs absorbed. Rex Basic stays free in every plan. Rex Phone available separately at $199/mo + Rilla license. ServiceTitan AI Sidekick is one unnamed tool at $200/mo.

Meet Rex — Schedule a Demo