Comparison

Carnomaly vs Petra

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Carnomaly

This platform simplifies automotive ownership by allowing users to manage vehicle information, track maintenance, and earn rewards. It offers anonymous communication for sales and a unique vehicle value score to track history and market worth.

Highlights
  • Anonymous communication for sales
  • Vehicle VIN and odometer scanning
  • Maintenance expense tracking
  • Exclusive rewards for vehicle care
  • Carnomaly Value Score for vehicle history
  • Request quotes from dealers and buyers
Features
Read full description

Carnomaly is a blockchain-based platform that aims to reimagine the automotive experience by creating a new type of online automotive platform — one that benefits both consumers and dealers. The Anonymous feature totally alleviates sign ins, registering accounts and the worry of personal information in another place! Our messaging platform also works anonymously within the app when dealers and buyers are bidding on your vehicle and need more pictures, or when the bidding has ended, providing contact information! Simple and easy to use. Scan your Vin, Scan Odometer for miles, take pictures, update options and even request a quote for your vehicle! Whether you’re looking to shop for a new vehicle, track maintenance expenses, or earn exclusive rewards simply for taking care of your vehicle, Carnomaly puts you in the driver’s seat and puts the power back in your hands. Simply download the app, add your vehicle(s) and you’ll be eligible to start earning valuable rewards every time you update the odometer, spend money on things like oil changes, repairs, vehicle modifications and even new car, truck, SUV vehicle purchases. And that’s not all. The Carnomaly Value Score – a “credit score” for your vehicle– is a unique and innovative feature that gives owners the ability to track and interact with their vehicle’s history in a simple and easy-to-use way. By tracking your vehicle value over time, you can increase its score by taking care of issues such as maintenance and mileage, adding accessories, and documenting other relevant information. This not only helps you keep on top of your vehicle’s overall health, but also makes it more attractive to potential buyers or dealers when it comes time to sell or trade-in your vehicle. The capability to request a quote for your vehicle from local dealerships and buyers agnostically without excess communication and emails is ground-breaking in the auto industry. Additionally, your Value Score is a valuable tool for helping you understand how much your vehicle is actually worth, allowing you to make smarter financial decisions and get better value for your vehicle. The Carnomaly Value Score gives you greater control over your vehicle’s future and helps ensure the time & effort you put into taking care of your vehicle pays off. So why wait? Join the Carnomaly community today and start rethinking everything you know about vehicle ownership.

About

Petra

Manage and use your cryptocurrency on the Aptos blockchain with this secure and intuitive wallet. Explore decentralized applications, earn on stablecoins, and stake assets with low fees and fast transactions.

Highlights
  • Store and manage crypto assets
  • Explore dApps with multi-tabs
  • Earn on stablecoins with Petra Earn
  • Stake APT and access liquid staking
  • Biometric authentication
  • Sub-second transactions and low fees
Features
Read full description

Petra Wallet is your gateway to the Aptos blockchain. Built by the team at Aptos Labs, Petra makes it easy, safe, and intuitive to store, manage, and use your crypto all in one place. Whether you're moving money, exploring dApps, or earning on your stablecoins, Petra gives you the tools to experience what Web3 has to offer. Do more with your crypto • Sub-second transactions and sub-cent fees (yes, really, less than $0.0001) • Use Petra Earn to deposit stablecoins in one click—no lockups, no friction • Explore with multi-tabs—because every DeFi app deserves a dedicated window • Stake APT or access liquid staking through top Aptos DeFi protocols We keep you safe • You stay in full control of your assets • Your privacy is 100% respected • Independently audited by top security firms • Biometric authentication for added protection Tap into the future of Web3 • Discover ecosystem events and community activity • Connect with creators shaping the next era of the web3 landscape • Join the OG community of builders on Aptos If you want speed, low fees, and real innovation—Aptos is your blockchain. Download Petra Wallet today and explore everything Aptos has to offer.

Screenshots

Carnomaly4 screens
Petra4 screens

Verdict

The call

Carnomaly and Petra both sit at 4.7 stars, but that hides the real split: 100% of Carnomaly's written reviews are positive against 75% of Petra's. Petra's advantage is update cadence (every 3 weeks vs every 2 months) and ratings volume (317 vs 13). On price, rating, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Carnomaly against 4.8 for Petra. That said, the two scores are not equally well evidenced: Petra has 317 ratings behind it against 13, so its average is the more settled of the two. Written reviews are what separate them: 100% of Carnomaly's written reviews are positive against 75% of Petra's.

UpkeepUpdate frequency

Carnomaly ships an update every 2 months, Petra every 3 weeks. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
Carnomaly versus Petra: the parameters behind the verdict, then further details
ParameterCarnomalyPetra
PriceFreeFree
Rating4.7 (13 ratings)4.8 (317 ratings) — better
Positive reviews100.0% of reviews — better75.0% of reviews
Number of ratings13317 — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad — betteriPhone
Requires iOS16.1 — better16.4
Further details — not scored
Size137 MB97 MB
Age rating4+17+
DeveloperCarnomaly LLCAptos Labs

Customer experience

Carnomaly

All ratings13 ratings
Positive92.3%
Neutral0.0%
Negative7.7%
Written reviews9 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Petra

All ratings317 ratings
Positive94.3%
Neutral1.9%
Negative3.8%
Written reviews24 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

Bugs and requests

Carnomaly

Not enough reviews yet to summarise bugs or requests.

Petra

Reported bugs

5 issues
  • Insufficient funds for transaction fee
  • Authentication error on app open, retry does nothing
  • App not working after installing, shows 'Ver... error' and is frozen
  • Not showing staked balance and unstake is unavailable
  • Incorrect number formatting (e.g., 1.000 for a thousand)

Requested features

3 requests
  • Dark mode option
  • Ability to change currency preference
  • Support for 24 seed phrases

In-app purchases

None

Carnomaly

No in-app purchases

None

Petra

No in-app purchases

Questions

Is Carnomaly free?
Carnomaly is free to download, with no in-app purchases.
Is Petra free?
Petra is free to download, with no in-app purchases.
Which has better reviews, Carnomaly or Petra?
Petra is rated higher. Carnomaly averages 4.7 out of 5 from 13 ratings, while Petra averages 4.8 from 317 ratings.
Do Carnomaly or Petra have ads?
Neither Carnomaly nor Petra shows ads.
Which is updated more often, Carnomaly or Petra?
Carnomaly ships an update every 2 months, and Petra every 3 weeks. Most recently, Carnomaly was updated on October 25, 2026 and Petra on October 30, 2026.

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