Relay Solo vs iSellCars.ai
Short answer
Both give a car salesperson a business number and an AI that can answer leads on its own. iSellCars.ai Solo costs US$149 a month with 1,000 texts and a US$499 one-time setup (waived on yearly plans). Relay Solo costs US$49 a month with $25 of texts and calls included and a US$29 one-time carrier registration. iSellCars.ai also sells store plans with more users, so it suits a rep whose store may adopt it later.
Side by side
| Relay Solo | iSellCars.ai Solo | |
|---|---|---|
| Monthly price (USD) | US$49 Starter, US$89 Pro | $149 |
| One-time fee | US$29 carrier registration | $499 setup for the texting number and its carrier registration, waived on yearly plans |
| Texts included | $25 of texts and calls on Starter (about 830 to 900 texts) | 1,000 texts a month, sent and received both count |
| Extra texts | 3 cents sent, 2.5 cents received | 4 cents per text |
| Business number | Included | Included |
| AI answers on its own | Yes | Yes, or as drafts your team approves |
| Users | One | One on Solo, more on store plans ($599 and $999) |
Where iSellCars.ai is the better pick
- You send a lot of texts. 1,000 included is more than Relay Starter covers.
- Your store may want to roll the same tool out to the whole team. iSellCars.ai sells store plans with more users.
- You want the option of AI drafts that you approve before they send, on the same plan.
Where Relay Solo is the better pick
- Cost to start: US$29 once and US$49 a month, against $499 setup and $149 a month on a monthly plan.
- Your number belongs to your Relay account, built for a salesperson who may change stores.
Common questions
What does iSellCars.ai cost for one salesperson?
Its Solo plan is $149 a month with 1,000 texts, plus a $499 one-time setup that is waived on yearly plans, per its pricing page read October 12, 2026.
Which one includes more texts?
iSellCars.ai Solo includes 1,000 texts. Relay Solo Starter includes $25 of usage, about 830 to 900 texts. Relay Pro includes $50.
Sources
- iSellCars.ai pricing (isellcars.ai/pricing) Read October 12, 2026.
- Relay Solo US pricing
Selling cars in Canada? Relay Solo for Canada has Canadian numbers and prices in CAD.