Space Photos vs Algonote
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Space Photos
Discover stunning images from NASA's Astronomy Picture of the Day. Each photo comes with a description, date, and download link. Share collections or individual images, and save them directly to your device.
- Daily random space images
- Image descriptions and metadata
- Downloadable images
- Shareable image collections
- Save to Photos library
- Copy to pasteboard
Read full descriptionHide full description
On each launch ten random images from the NASA Astronomy Picture of the Day collection over the past ten years is displayed. Each picture is accompanied by a description, the date and the URL for downloading it. The list of URLs and metadata corresponding to the current list of photos can be shared or copied. Images can be saved to the Photos library all at once or individually, or copied to the pasteboard. Share photos with metadata as a PDF, with one photo per page.
Algonote
Read full descriptionHide full description
AlgoNote helps you truly understand algorithms by seeing them in motion. Instead of memorizing pseudocode, watch each algorithm run step by step with clear, interactive visualizations. Whether you are preparing for coding tests and technical interviews, studying computer science, or refreshing the fundamentals as a working engineer, AlgoNote turns abstract concepts into intuitive visuals you can follow at your own pace. WHAT YOU CAN DO - Watch algorithms execute step by step with smooth animations - Follow the running code in sync with each visualization - Compare how different algorithms solve the same problem, side by side - Read concise concept explanations that build real intuition - Replay any step as many times as you need, at your own pace TOPICS COVERED - Sorting: bubble, selection, insertion, merge, quick, and more - Searching: linear and binary search - Graphs: BFS, DFS, and shortest paths - Trees and traversals - Dynamic programming - More topics added over time WHO IT IS FOR - Job seekers preparing for coding tests and technical interviews - Students learning data structures and algorithms - Developers who want to refresh the fundamentals AlgoNote is free to use. Optional rewarded ads let you earn points to unlock additional learning content. Start seeing algorithms, not just reading about them.
Screenshots
Verdict
The clearest difference is ads: Space Photos at none against Algonote's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Space Photos | Algonote |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | โ |
| Update frequency | Every 3 days | โ |
| Ads | No โ better | Yes |
| In-app purchases | No | No |
| Monetization | Free | โ |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 16.6 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 17 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Limit Point Software | sangkug ye |
In-app purchases
Space Photos
No in-app purchases
Algonote
No in-app purchases









