cards.study vs PiSeeker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
cards.study
Master subjects like languages and trivia with a spaced-repetition flashcard system. Create your own study materials or use pre-made courses. Gain insights into your learning progress with advanced statistics.
- Spaced-repetition algorithm
- Pre-made courses
- Custom card editor
- Advanced statistics
- Trivia and language learning
Read full descriptionHide full description
Learn more, faster with Cards. Master trivia, practice languages, or study for a test using our flash cards system, and remember what you learn forever using our spaced-repetition algorithm. From French Vocabulary to Countries of the World, memorize anything from our hundreds of pre-made courses, or create your own cards with our easy-to-use editor. Improve your learning efficiency with insights from advanced statistics about your learning. Start learning with Cards today! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
PiSeeker
Challenge your memory and math skills with this application focused on the digits of Pi. It offers four distinct modes: voice recognition recitation, typing practice, a digit-hunting puzzle, and a simple viewing mode. Designed for math enthusiasts and students, it prioritizes a clean interface and user privacy.
- Voice recognition Pi recitation
- Typing Pi digits practice
- Range-based Pi digit puzzle
- Pi digit viewing mode
- Progress tracking
- Accessibility features
Read full descriptionHide full description
PiSeeker is the ultimate Pi challenge! Test your memory and math skills in four exciting modes: - **Recite Mode**: Speak the digits of Pi using voice recognition. Start from anywhere (less than 20k) and go forward from there. How many can you get right? Track your best score! - **Type Mode**: Type the digits of Pi using the buttons on the screen. Start from anywhere (less than 20k) and go forward from there. - **Seek Mode**: Hunt for Pi digits in a range-based puzzle game. Quick, fun, and addictive! - **Show Mode**: Just look at Pi, for fun! Perfect for math enthusiasts, students, and puzzle lovers. With a clean design, accessibility features, and no data sharing, PiSeeker is your go-to Pi adventure. Download now and start mastering Pi!
Screenshots
Verdict
The clearest difference is in-app purchases: PiSeeker at none against cards.study's 1. cards.study's advantage is ratings volume (8 vs 1). On price, rating, update cadence and ads 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. cards.study sells 1 in-app purchase, starting at $5.99 per month. PiSeeker asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for cards.study against 5.0 for PiSeeker. That said, the two scores are not equally well evidenced: cards.study has 8 ratings behind it against 1, so its average is the more settled of the two.
cards.study ships an update every 4 weeks, PiSeeker fortnightly. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.
| Parameter | cards.study | PiSeeker |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (8 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 8 — better | 1 |
| Update frequency | Every 4 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 43 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Ben Jenkins | Adam Thomas Hayes |
Customer experience
cards.study
PiSeeker
In-app purchases
cards.study
- All Access$5.991 Month
PiSeeker
No in-app purchases
