Fourier Series Visualiser vs LingoShelf
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fourier Series Visualiser
Create intricate epicycle drawings by tracing any shape with your finger. This free app visualizes the mathematical principles behind Fourier series, allowing you to adjust coefficients for different approximations and import SVG files for unique artwork. It's perfect for students, teachers, and math enthusiasts.
- Draw custom shapes for epicycle generation
- Adjust Fourier coefficients for approximation levels
- Import SVG files for artwork transformation
- Visualize complex Fourier series analysis
- Share drawings with friends
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Your new addictive drawing app that teaches you about one of the most important algorithms in maths. Completely free with no ads or in-app purchases. KEY FEATURES Draw any shape with your finger and watch it transform into a beautiful Fourier epicycle drawing. Adjust the number of Fourier coefficients to see different levels of approximation Import SVG files to transform existing artwork Visualise the maths behind complex Fourier series analysis Share your creations with your friends PERFECT FOR STUDENTS - Learn about Fourier transforms and signal processing TEACHERS - Demonstrate mathematical concepts in the classroom MATHS ENTHUSIASTS - Explore complex mathematical ideas ANYONE who wants to create beautiful drawings and learn about one of the most important algorithms in maths.
LingoShelf
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LingoShelf is a multilingual wordbook app. You can use AI to search for words, get meanings and example sentences, and save them on your phone. Features like word shuffling, hiding words or meanings, and starring important words are included to help with memorization. If you encounter any issues or have suggestions, feel free to email us anytime. Support languages : Albanian, Amharic, Arabic, Armenian, Bengali, Bosnian, Bulgarian, Burmese, Catalan, Chinese, Croatian, Czech, Danish, Dutch, English, Estonian, Finnish, French, Georgian, German, Greek, Gujarati, Hindi, Hungarian, Icelandic, Indonesian, Italian, Japanese, Kannada, Kazakh, Korean, Latvian, Lithuanian, Macedonian, Malay, Malayalam, Marathi, Mongolian, Norwegian, Persian, Polish, Portuguese, Punjabi, Romanian, Russian, Serbian, Slovak, Slovenian, Somali, Spanish, Swahili, Swedish, Tagalog, Tamil, Telugu, Thai, Turkish, Ukrainian, Urdu, Vietnamese
Screenshots
Verdict
The clearest difference is update cadence: LingoShelf at monthly against Fourier Series Visualiser's every 11 months. LingoShelf also leads on iOS requirement (15.1 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. Neither carries in-app purchases, so what you see is what you pay.
Fourier Series Visualiser ships an update every 11 months, LingoShelf monthly. The most recent releases landed on October 2, 2026 and October 16, 2026 respectively.
| Parameter | Fourier Series Visualiser | LingoShelf |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (4 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 11 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 2 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Jack Finnis | Sahyun Kim |
In-app purchases
Fourier Series Visualiser
No in-app purchases
LingoShelf
No in-app purchases
Questions
Is Fourier Series Visualiser free?
Is LingoShelf free?
Do Fourier Series Visualiser or LingoShelf have ads?
Which is updated more often, Fourier Series Visualiser or LingoShelf?
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