Comparison

Birthdays 7 vs Base Conversion AI Calculator

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

Head to head
About

Birthdays 7

Features
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FEATURES: - birthdays are automatically updated from your contacts - sync across all Your devices - see your friend’s age, birthday, contact picture and Zodiac sign - view Your contacts ordered by upcoming birthday, by age - the ability to send a message, or make a call from application and send greetings with predefined message - WhatsUp, Telegram support - Zodiac sign - notifications - 2 different types, you get reminded a birthday alarm at the exact right moment. - dark mode support - 3 widgets - compatible with iPhone, iPad and Apple Watch DESIGNED WITH PRIVACY IN MIND - Your privacy is very important to us - All data are kept in application only - Application do not access to the internet

About

Base Conversion AI Calculator

Instantly convert numbers between Binary, Decimal, Octal, and Hexadecimal. Get accurate results in seconds with a clean interface. Unlock AI-powered explanations and dark mode with a subscription.

Highlights
  • Instant base conversions
  • Supports Binary, Decimal, Octal, Hexadecimal
  • Clean and simple UI
  • One-tap result copying
  • AI-powered step-by-step explanations
  • Dark mode for comfortable use
Features
Read full description

Ultimate Base Converter & Binary Calculator Solve complex number system conversions instantly! Whether you're a student, developer, or just need quick math help, the Ultimate Base Converter is the fastest, cleanest, and most reliable tool for working with Binary, Decimal, Octal, and Hexadecimal numbers. Conversion Solved in Seconds Stop wasting time with manual calculations. Our powerful engine provides immediate, accurate results for all combinations, making your life easier. Supported Conversions (Four Bases, All Ways): Binary (Base 2) ↔ Decimal (Base 10) Octal (Base 8) ↔ Binary (Base 2) Hexadecimal (Base 16) ↔ Decimal (Base 10) ...and all other cross-base combinations! Key Features Blazing Fast: Get conversions the moment you type. Clean & Simple UI: A minimalist design focused on speed and ease of use. Instant Copy: Convert the number and tap once to copy the result, ready to paste into your code or homework. Comprehensive: Functions as your dedicated Decimal Converter, Octal Converter, Hexadecimal Converter, and Binary Converter—all in one app! Make this essential mathematical tool part of your toolkit today! PRO FEATURES ELEGANT DARK MODE Study or work comfortably in any lighting. Our beautiful Dark Mode is easy on the eyes, perfect for late-night sessions or use in any professional setting. AI EXPLANATIONS (New!) Don't just get the answer—understand it. Our revolutionary AI feature provides a clear, step-by-step breakdown of the calculation. It instantly tells you if the problem is a direct or inverse proportion and explains why, making it the perfect educational tool. A subscription is needed to unlock PRO features including Dark mode and AI Explanation. Payment will be charged to your Apple ID account upon confirming the purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage or cancel your subscription at any time from your account settings in the App Store. Base Conversion PRO Weekly price: $3.99 Base Conversion PRO Yearly price: $24.99 Read the EULA Terms in the following link https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Birthdays 74 screens
Base Conversion AI Calculator4 screens

Verdict

The call

The clearest difference is price: Base Conversion AI Calculator at Free against Birthdays 7's $1.99. Birthdays 7's advantage is in-app purchases (none vs 2) and ads (none vs shown). On update cadence, device support and iOS requirement 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

Base Conversion AI Calculator is free to download; Birthdays 7 costs $1.99 up front. Base Conversion AI Calculator sells 2 in-app purchases, starting at $4.99 per 7 days. Birthdays 7 asks for nothing beyond the download.

UpkeepUpdate frequency

Birthdays 7 ships an update every 3 months, Base Conversion AI Calculator every 2 months. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 6 level
Birthdays 7 versus Base Conversion AI Calculator: the parameters behind the verdict, then further details
ParameterBirthdays 7Base Conversion AI Calculator
Price$1.99Free — better
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size21 MB123 MB
Age rating4+4+
DeveloperKarel UrbanJuan Antonio Veloz Gutierrez

In-app purchases

None

Birthdays 7

No in-app purchases

2 purchases

Base Conversion AI Calculator

Subscriptions2
  • PRO Base Conversion Weekly$4.997 Days
  • PRO Base Conversion Yearly$24.991 Year

Questions

Is Birthdays 7 free?
Birthdays 7 costs $1.99, with no in-app purchases.
Is Base Conversion AI Calculator free?
Base Conversion AI Calculator is free to download, with in-app purchases available.
Do Birthdays 7 or Base Conversion AI Calculator have ads?
Base Conversion AI Calculator shows ads; Birthdays 7 does not.
Which is updated more often, Birthdays 7 or Base Conversion AI Calculator?
Birthdays 7 ships an update every 3 months, and Base Conversion AI Calculator every 2 months. Most recently, Birthdays 7 was updated on October 27, 2026 and Base Conversion AI Calculator on October 28, 2026.

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