Comparison

Julian vs AutoAlly

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

Head to head
About

Julian

This app provides a quick and efficient way to view and convert between 11 different types of dates, including standard Julian dates, Mars Sol dates, and Unix time. It features a calendar for easy navigation and allows copying dates to the clipboard. The current date can be displayed on the app icon and Apple Watch complications.

Highlights
  • 11 date type conversions
  • Calendar view
  • Copy to clipboard
  • App icon badge display
  • Apple Watch complications
Features
Read full description

Julian makes it simple to find any day of the year, convert dates, and understand your year at a glance on iPhone, iPad, and Apple Watch. Browse the calendar to explore past and future dates, or enter a day number to jump straight to the matching date. Choose the date format you prefer and instantly see the day of the year, year progress, days remaining, week number, and current quarter. Convert between calendar dates, ordinal dates, ISO 8601 dates, ISO week dates, Julian calendar dates, Julian Day Numbers, and Unix timestamps. Add or subtract days, weeks, months, or years, or calculate the exact time between two dates. Julian supports a wide range of astronomical and time counting systems, including CCSDS Julian Date, CNES Julian Date, Dublin Julian Date, Lilian Date, Mars Sol Date, Modified Julian Date, Rata Die, Reduced Julian Date, Truncated Julian Date, and Unix Time. Copy any date value with a tap, or copy and share a complete date summary. Save your favorite formats for fast access whenever you need them. Keep important date information visible with Home Screen and Lock Screen widgets. Customize their layout, colors, and content. Larger widgets can show additional date values and calendar views without opening the app. On Apple Watch, quickly view yesterday, today, and tomorrow, look up any day of the year, and choose complications that match your watch face. Use Siri to retrieve date values and check your year progress. Add Julian actions to Shortcuts to convert dates, perform calculations, copy results, and open detailed date information. Personalize Julian with seven color themes, alternate app icons, and System, Light, or Dark appearance. Set your preferred first day of the week and choose which month begins your first quarter. For an instant glance, enable the optional app icon badge to show the current day of the year. Badge updates are silent and do not create banners or sounds. Notification permission is required.

About

AutoAlly

Features
Read full description

AutoAlly — Your Smart Car Assistant AutoAlly helps you track maintenance, diagnose vehicle issues, and discover upgrades designed specifically for your car. Instead of guessing when something needs attention, AutoAlly keeps everything organized and gives you smart insights to keep your vehicle running smoothly. Whether you own one car or manage multiple vehicles, AutoAlly makes it easy to stay on top of maintenance, understand potential problems, and plan upgrades with confidence. Manage Your Vehicle Garage Keep all of your vehicles in one place. • Add vehicles using VIN or manual entry • Store multiple cars in a personal garage • View key information and mileage at a glance • Easily switch between vehicles AutoAlly helps you keep your entire garage organized so you always know the status of every vehicle. Track Maintenance Never forget important service again. • Track oil changes, tire rotations, filters, and more • See upcoming maintenance reminders • Get alerts when services are due soon • View overdue maintenance instantly By keeping your maintenance history organized, AutoAlly helps extend the life of your vehicle and avoid costly repairs. AI Vehicle Diagnostics Not sure what’s wrong with your car? AutoAlly can help. Describe what your vehicle is doing and AutoAlly’s AI assistant analyzes the issue and suggests possible causes. You can even attach evidence like: • Photos • Videos • Audio recordings AutoAlly will analyze the problem and suggest likely causes, possible fixes, and when professional service may be needed. Upgrade Recommendations Looking to improve your vehicle’s performance or capability? AutoAlly suggests upgrades based on your specific car, helping you find compatible improvements faster. • Performance upgrade suggestions • Horsepower goals and build planning • Budget-based recommendations • Parts tailored to your vehicle Whether you want better performance, reliability, or customization, AutoAlly helps you explore your options. Maintenance Insights Understand your vehicle’s health at a glance. AutoAlly analyzes your maintenance history and shows: • Overdue services • Upcoming maintenance • Up-to-date systems This makes it easy to see what needs attention and what’s already taken care of. Cloud Sync Your vehicle data stays secure and accessible. • Sync your garage and maintenance history • Access your data across devices • Keep your information safely stored in the cloud AutoAlly Pro Upgrade to AutoAlly Pro to unlock advanced features. Pro features include: • Advanced AI diagnostics • Expanded upgrade recommendations • Detailed maintenance insights • Additional vehicle tools and features Subscription options: • $9.99 per month • $79.99 per year Subscriptions renew automatically unless canceled at least 24 hours before the end of the current billing period. You can manage or cancel your subscription anytime in your Apple account settings. Why Drivers Choose AutoAlly AutoAlly is designed to make vehicle ownership simpler, smarter, and more organized. Instead of juggling maintenance notes, searching forums for upgrades, or guessing about vehicle problems, AutoAlly brings everything together in one easy-to-use assistant. Start managing your vehicles smarter with AutoAlly today. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Julian4 screens
AutoAlly4 screens

Verdict

The call

The clearest difference is iOS requirement: AutoAlly at 15.1 against Julian's 17.0. On price, update cadence, 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. Julian sells 3 one-off in-app purchases and AutoAlly sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Julian ships an update every 2 months, AutoAlly monthly. The most recent releases landed on September 28, 2026 and September 20, 2026 respectively.

Scorecard1 real difference · 9 level
Julian versus AutoAlly: the parameters behind the verdict, then further details
ParameterJulianAutoAlly
PriceFreeFree
Rating4.8 (4.6K ratings) — better—
Positive reviews65.4% of reviews—
Number of ratings4.6K — better—
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS17.015.1 — better
Further details — not scored
Size17 MB62 MB
Age rating4+4+
DeveloperJuan Carlos PerezAMANDA WEBER BLAZEK

Bugs and requests

Julian

Reported bugs

3 issues
  • Complication not updating correctly on Apple Watch
  • Date displayed incorrectly, one day behind
  • App not functioning properly after updates

Requested features

4 requests
  • Display current date along with Julian date
  • Add countdown/days remaining functionality
  • Display week number
  • Show Julian date on app icon

AutoAlly

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Julian

One-time3
  • Short Cup$0.99
  • Tall Cup$1.99
  • Grande Cup$2.99
2 purchases

AutoAlly

Subscriptions2
  • AutoAlly Pro Monthly$9.991 Month
  • AutoAlly Pro Yearly$79.991 Year

Questions

Is Julian free?
Julian is free to download, with in-app purchases available.
Is AutoAlly free?
AutoAlly is free to download, with in-app purchases available.
Do Julian or AutoAlly have ads?
Neither Julian nor AutoAlly shows ads.
Which is updated more often, Julian or AutoAlly?
Julian ships an update every 2 months, and AutoAlly monthly. Most recently, Julian was updated on September 28, 2026 and AutoAlly on September 20, 2026.

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