Comparison

Odometer Data Observer vs Odo

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

Head to head
About

Odometer Data Observer

Features
Read full description

ODO stands for Odometer Data Observer. It was built for people who rely on their cars every day, but don’t want to spend their time thinking about maintenance dates, kilometres, paperwork, or β€œdid I forget something?” moments. ODO quietly keeps track of everything that matters: services, mileage, events, receipts, and ownership history all in one place, across one or multiple cars. No spreadsheets. No guesswork. No stress. Unlike traditional car apps, ODO adapts to you. You choose how involved you want to be, how often you’re reminded, and what matters most. ODO handles the rest in the background. Because car ownership shouldn’t feel like admin. It should feel reliable, organised, and out of your way. Just enjoy the road. ODO takes care of the rest. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Odo

Features
Read full description

Odo keeps your car running its best by tracking maintenance automatically β€” so you never miss an oil change, tire rotation, or brake service again. Tell Odo about your vehicle and it builds a complete maintenance schedule. As you drive, Odo keeps your odometer up to date and reminds you the moment a service is coming due. No spreadsheets, no guesswork, no forgotten maintenance. AUTOMATIC MILEAGE TRACKING β€’ Odo updates your odometer for you as you drive β€’ Connects through CarPlay or your car's Bluetooth, so miles are logged to the right vehicle automatically β€’ Prefer to do it yourself? Enter your odometer reading manually anytime FACTORY MAINTENANCE SCHEDULES β€’ Built-in factory service schedules for 24 manufacturers, model years 2018–2025 β€’ Subaru, Honda, Acura, Toyota, Lexus, Hyundai, Kia, Nissan, Infiniti, Ford, Chevrolet, GMC, Buick, Cadillac, Dodge, Jeep, Chrysler, Ram, BMW, Mercedes-Benz, Volkswagen, Audi, Porsche, and Mitsubishi β€’ Compiled from official owner's manuals β€” or start from common presets and customize every interval SMART REMINDERS β€’ Get notified a week ahead, on the day, and the moment a service becomes due β€’ Odo learns how much you drive to predict due dates accurately β€’ Clear Overdue / Due Soon / On Track status at a glance CARPLAY READY β€’ See exactly what's due without picking up your phone β€’ Maintenance grouped by urgency, right on your car's display β€’ Mark a service done in a tap TRACK YOUR WHOLE DRIVEWAY β€’ Add as many vehicles as you want β€’ Each car keeps its own odometer, schedule, and full service history β€’ Odo switches to the right vehicle automatically when you get in LOG EVERYTHING β€’ Record date, mileage, cost, and notes for every service β€’ Build a complete history you can hand to a buyer or mechanic PRIVATE BY DESIGN β€’ All your data stays on your iPhone β€’ No account, no sign-in, no ads, no tracking β€’ Works completely offline Add your car and drive β€” Odo takes care of the rest.

Screenshots

Odometer Data Observer4 screens
Odo4 screens

Verdict

The call

The clearest difference is in-app purchases: Odo at none against Odometer Data Observer's 10. Odo also leads on iOS requirement (17.0 vs 26.2). On price, update cadence, ads and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Odometer Data Observer sells 10 in-app purchases, starting at $2.99 per month. Odo asks for nothing beyond the download.

UpkeepUpdate frequency

Odometer Data Observer ships an update every 5 days, Odo every 8 days. The most recent releases landed on September 13, 2026 and September 7, 2026 respectively.

Scorecard2 real differences Β· 4 level
Odometer Data Observer versus Odo: the parameters behind the verdict, then further details
ParameterOdometer Data ObserverOdo
PriceFreeFree
Update frequencyEvery 5 days β€” betterEvery 8 days
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPad β€” betteriPhone
Requires iOS26.217.0 β€” better
Further details β€” not scored
Size4 MB3 MB
Age rating17+4+
DeveloperSotiris SotiriouTEJEN KRISHNA SHRESTHA

In-app purchases

10 purchases

Odometer Data Observer

Subscriptions10
  • 1 ADDITIONAL CAR (Monthly)$2.991 Month
  • COST MANAGEMENT (Monthly)$2.991 Month
  • BASIC (Monthly)$4.991 Month
Show 7 more
  • 2 ADDITIONAL CARS (Monthly)$4.991 Month
  • 3 ADDITIONAL CARS (Monthly)$7.991 Month
  • 1 ADDITIONAL CAR (Yearly)$24.991 Year
  • COST MANAGEMENT (Yearly)$24.991 Year
  • BASIC (Yearly)$49.991 Year
  • 2 ADDITIONAL CARS (Yearly)$49.991 Year
  • 3 ADDITIONAL CARS (Yearly)$79.991 Year
None

Odo

No in-app purchases

Questions

Is Odometer Data Observer free?
Odometer Data Observer is free to download, with in-app purchases available.
Is Odo free?
Odo is free to download, with no in-app purchases.
Do Odometer Data Observer or Odo have ads?
Neither Odometer Data Observer nor Odo shows ads.
Which is updated more often, Odometer Data Observer or Odo?
Odometer Data Observer ships an update every 5 days, and Odo every 8 days. Most recently, Odometer Data Observer was updated on September 13, 2026 and Odo on September 7, 2026.

Other comparisons