Unit Converter vs Data Structures and Algorithms
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Unit Converter
This tool helps you quickly and accurately convert between various measurement units for length, temperature, data, and more. Its user-friendly interface makes complex conversions simple for engineers, students, and daily use.
- Converts length, temperature, and data transmission rates
- Supports pressure, time, frequency, and energy units
- Includes density, inductance, and magnetic induction
- Handles mass, power, volume, and area
- Calculates speed and temperature
- User-friendly interface
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Unit Converter converts any value into the unit you need – instantly. Over 850 units in 96 categories, from everyday measurements to science and engineering, in a clean, modern app for iPhone, iPad, iPhone Duo and Apple TV. Type a number and see the result right away – no searching online for a converter, no math on paper. Perfect in the kitchen, when traveling, shopping, at school, in college and at work. FAST AND SIMPLE • Results appear as soon as you enter a value • Swap units with one tap • Quick Conversions – your value in every unit of the category at once • Copy and share results • Search categories and units YOUR CONVERSIONS AT HAND • Favorites – your most-used unit pairs, one tap away • History – return to earlier conversions anytime 96 CATEGORIES Free: length, mass, volume, speed, time, pressure, energy, digital data, angle, frequency, density, voltage, capacitance, volume flow rate, sound level and acceleration. Premium adds 80 more, including temperature, area, power, force, torque, fuel consumption, electric current, resistance, electric charge, data transfer, illuminance, typography, radiation activity, molar mass, dynamic viscosity and many other scientific and engineering units. You can also open any Premium category once by watching a short ad. OPTIMIZED FOR IPHONE DUO • Folded – the full converter on the outer screen, just like on a regular iPhone • Unfolded – category list and converter side by side, just like on iPad • Works in portrait and landscape, and the layout adapts on its own as you fold or unfold • Hide the list with one tap to give the converter the whole screen ON EVERY DEVICE • iPad – category list and converter side by side • Apple TV – conversions on the big screen • Light, dark or automatic appearance • Keyboard haptics you can turn off • 33 languages UNIT CONVERTER PREMIUM • All 80 advanced categories • No ads • Works offline – convert anywhere, even on a plane • History and favorites synced across your devices via iCloud • Family Sharing – share Premium with up to five family members at no extra cost • Yearly subscription or one-time lifetime purchase – Premium unlocks automatically on all your devices Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.developerapp.pl/privacy-unitconverter.html
Data Structures and Algorithms
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DSA is a visual learning app for computer science students, exam prep, and self-learners. Turn abstract data structure concepts into step-by-step animations so you can actually see how algorithms work. WHY DSA • Dual-mode learning: read concept lessons first, then run interactive step-by-step visualizers • Smooth animations: pointer moves, swaps, assignments, and tree restructuring are animated with clear step descriptions • Structured curriculum: organized by textbook chapters from fundamentals to advanced topics • Full playback control: previous/next step, auto-play, speed adjustment, and scrubbing • Multilingual: Simplified Chinese, English, and more COURSE CONTENT Ch. 1 Introduction Asymptotic notation, simplification rules, time & space complexity with examples Ch. 2 Linear Lists, Stacks & Queues Linear lists, stack operations & applications, queue operations & circular queues Ch. 3 Arrays & Matrices Array basics, special matrix compression Ch. 4 Strings BF, KMP, BM string matching, algorithm complexity comparison Ch. 5 Trees Tree basics, binary tree properties & traversals BST, AVL, Splay, B-tree, Red-Black Tree, B+ Tree, Huffman Tree, Union-Find Ch. 6 Graphs Graph basics, storage structures, traversal Minimum spanning tree, shortest paths, topological sort & critical path Ch. 7 Sorting Bubble, Selection, Insertion, Shell, Merge, Quick, Heap Sort Counting, Bucket, Radix Sort Winner Tree, Loser Tree, complexity comparison WHO IT'S FOR • CS / Data Structures students • Exam prep and interview review • Self-learners building a solid DSA foundation FULL UNLOCK One-time purchase unlocks all content. No subscription. No ads. Restore purchases supported. Feedback: Settings → Email Feedback
Screenshots
Verdict
The clearest difference is ads: Data Structures and Algorithms at none against Unit Converter's shown. Data Structures and Algorithms also leads on update cadence (every 10 days vs every 6 months). On price, in-app purchases, 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
Both are free to download. Unit Converter sells 2 in-app purchases, starting at $1.99 per year and Data Structures and Algorithms sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Unit Converter ships an update every 6 months, Data Structures and Algorithms every 10 days. The most recent releases landed on October 29, 2026 and October 14, 2026 respectively.
| Parameter | Unit Converter | Data Structures and Algorithms |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (10 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 10 — better | — |
| Update frequency | Every 6 months | Every 10 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Apple TV | iPhone, iPad, Mac |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 36 MB |
| Age rating | 9+ | 4+ |
| Developer | Zbigniew Osada | 子健 高 |
In-app purchases
Unit Converter
- Annual Premium$1.991 Year
- Full Version$5.99
Data Structures and Algorithms
- DSA$2.99
Questions
Is Unit Converter free?
Is Data Structures and Algorithms free?
Do Unit Converter or Data Structures and Algorithms have ads?
Which is updated more often, Unit Converter or Data Structures and Algorithms?
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