Workshop for Raspberry Pi vs Algo Viewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Workshop for Raspberry Pi
Explore a variety of demo projects for Raspberry Pi, covering displays, sensors, home automation, and IoT. Ideal for makers, electronics enthusiasts, and engineering students looking to learn and experiment with hardware.
- Display projects (LCM, OLED, TFT)
- Sensor projects (temperature, humidity)
- Home automation (WiFi, Bluetooth, LoRa)
- IoT projects (post sensor data)
- Collection of demo projects
- Suitable for makers and students
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This app is a collection of rich demo projects for makers, electronics enthusiast, or engineering students using Raspberry Pi development board Features 1. Display projects • Character LCM 16x2, 20x4 • I2C OLED 96x64 • SPI OLED 96x64 • TFT 176x220 2. Sensors Projects • DHT11 (temperature and humidity) • 18B20 (1-wire temperature sensor) 3. Automation projects • Home automation using Wifi • Home automation using Bluetooth • Home automation using BluetoothLE • Home automation using LoRa 4. Internet-of-Things IoT Projects • Post sensor data to Iot Thingspeak website More projects will be added soon ! Raspberry Pi is a trademark of Raspberry Pi foundation. "Python" and the Python logos are trademarks or registered trademarks of the Python Software Foundation. All other trade names mentioned in this app or the other documentation provided by this app are trademarks or registered trademarks of their respective holder. This app is not related or affiliated in any way these companies.
Algo Viewer
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AlgoViewer helps you understand algorithms the way they were meant to be understood — by watching them work, step by step. Whether you're a CS student studying for exams, a developer preparing for technical interviews, or just someone curious about how sorting, searching, and graph traversal actually work, this app breaks it down visually so it clicks. WHAT'S INSIDE 40 algorithms and data structures across 6 categories: • Search — Linear, Binary, Interpolation, Jump, Exponential • Sorting — Bubble, Selection, Insertion, Merge, Quick, Heap, Shell, Counting, Radix • Linear Data Structures — Stack, Queue, Deque, Linked List, Doubly Linked List, Circular Linked List • Non-Linear Data Structures — Binary Tree, Binary Search Tree, AVL Tree, Heap, Hash Table • Graphs — BFS, DFS, Dijkstra, Prim, Kruskal, Bellman-Ford, Floyd-Warshall • Math — Factorial, Fibonacci, GCD, LCM, Sieve of Eratosthenes, Prime Factorization, Fast Exponentiation, Catalan Numbers • Home Screen and Lock Screen widgets: a new Algorithm of the Day every day, plus your streak and progress. HOW IT WORKS 1. Pick an algorithm 2. Enter your own data or use random values 3. Tap play and watch each step unfold with color-coded animations 4. Read the explanation to understand the "why" behind each step 5. Check out the code — every algorithm includes examples in Swift, Python, and Java BUILT FOR LEARNING • Step-by-step animations you can pause, step through, and speed up • Detailed explanations with complexity analysis and real-world use cases • Code examples in 3 languages with copy support • Time complexity charts so you can see how algorithms scale • Quizzes for every algorithm to test what you learned • Your progress, achievements, and favorites sync with iCloud • Light and dark mode • Available in English and Spanish FREE TO START, ONE-TIME UNLOCK 17 algorithms are free, forever. Unlock all 40 with a single one-time purchase: no subscriptions and no ads. Built with care by a developer who believes the best way to learn an algorithm is to see it in action.
Screenshots
Verdict
The clearest difference is update cadence: Algo Viewer at every 6 weeks against Workshop for Raspberry Pi's every 19 months. Workshop for Raspberry Pi's advantage is iOS requirement (13.0 vs 26.0). On price, ads, in-app purchases and device support 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. Workshop for Raspberry Pi sells 10 one-off in-app purchases and Algo Viewer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Workshop for Raspberry Pi ships an update every 19 months, Algo Viewer every 6 weeks. The most recent releases landed on October 21, 2026 and October 7, 2026 respectively.
| Parameter | Workshop for Raspberry Pi | Algo Viewer |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 19 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 23 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Siu Yuen Ho | Abraham Abreu |
In-app purchases
Workshop for Raspberry Pi
- TFT 220x176$1.99
- dht11 sensor$1.99
- 18b20 sensor$1.99
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- Rotary encoder$1.99
- ADC ADS1115$1.99
- Automation using browser$1.99
- Automation using LoRa$1.99
- Environment sensor IoT$3.99
- Automation using bluetooth$3.99
- Automation using bluetooth LE$3.99
Algo Viewer
- Premium Unlock$0.99
Questions
Is Workshop for Raspberry Pi free?
Is Algo Viewer free?
Do Workshop for Raspberry Pi or Algo Viewer have ads?
Which is updated more often, Workshop for Raspberry Pi or Algo Viewer?
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