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DealCheck
The independent second opinion before you sign
DealCheck Defender helps car buyers check the deal in front of them before signing. The mobile-first beta rebuilds the out-the-door price, checks sample APR and loan terms, flags fees and add-ons, explains what to challenge, and creates editable buyer-controlled wording backed by evidence. EV Mode covers battery warranty and health, real-world range, fast charging, recalls/software, replacement risk, FSD ownership, and depreciation. Fictional sample data only—no autonomous dealer contact.
Update: DealCheck has evolved into DealCheck Defender—the independent second opinion in your pocket before you sign.
The public beta now focuses on the on-the-lot purchase moment: rebuilding the out-the-door total, checking sample APR and loan terms, flagging fees and add-ons, showing what to challenge, and creating editable buyer-controlled wording backed by evidence.
EV Mode now covers battery warranty and health, real-world range, fast charging, recalls/software, battery replacement risk, FSD ownership, and depreciation context.
DealCheck never calls, texts, emails, or negotiates with the dealer. The buyer stays in control.
Everything in this beta is clearly labeled fictional sample data. There is no account, paid automotive API, or real document processing yet. I also added a short anonymous feedback form because I want to learn what earns trust before connecting real data.
I’d especially value feedback on:
1. Did the verdict feel clear and credible?
2. Which evidence would matter most at the dealership?
3. What would stop you from paying for a real report?
Built for the buyer. Nobody else.
About DealCheck on Product Hunt
“The independent second opinion before you sign”
DealCheck was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #117 on the daily leaderboard. DealCheck Defender helps car buyers check the deal in front of them before signing. The mobile-first beta rebuilds the out-the-door price, checks sample APR and loan terms, flags fees and add-ons, explains what to challenge, and creates editable buyer-controlled wording backed by evidence. EV Mode covers battery warranty and health, real-world range, fast charging, recalls/software, replacement risk, FSD ownership, and depreciation. Fictional sample data only—no autonomous dealer contact.
On the analytics side, DealCheck competes within Cars, User Experience and Artificial Intelligence — topics that collectively have 852.4k followers on Product Hunt. The dashboard above tracks how DealCheck performed against the three products that launched closest to it on the same day.
Who hunted DealCheck?
DealCheck was hunted by Nelson J. Alicea. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of DealCheck including community comment highlights and product details, visit the product overview.
Nelson J. Alicea
Update: DealCheck has evolved into DealCheck Defender—the independent second opinion in your pocket before you sign.
The public beta now focuses on the on-the-lot purchase moment: rebuilding the out-the-door total, checking sample APR and loan terms, flagging fees and add-ons, showing what to challenge, and creating editable buyer-controlled wording backed by evidence.
EV Mode now covers battery warranty and health, real-world range, fast charging, recalls/software, battery replacement risk, FSD ownership, and depreciation context.
DealCheck never calls, texts, emails, or negotiates with the dealer. The buyer stays in control.
Everything in this beta is clearly labeled fictional sample data. There is no account, paid automotive API, or real document processing yet. I also added a short anonymous feedback form because I want to learn what earns trust before connecting real data.
I’d especially value feedback on:
1. Did the verdict feel clear and credible?
2. Which evidence would matter most at the dealership?
3. What would stop you from paying for a real report?
Built for the buyer. Nobody else.