# POP Math Cards vs Circle and Sphere Pro

POP Math Cards and Circle and Sphere Pro both sit at 5.0 stars, but that hides the real split: 100% of POP Math Cards's written reviews are positive against 67% of Circle and Sphere Pro's. POP Math Cards also leads on price ($1.99 vs $2.99). Circle and Sphere Pro's advantage is update cadence (monthly vs every 25 months) and iOS requirement (15.0 vs 17.0). On rating, ratings volume, ads and in-app purchases there is nothing between them.

POP Math Cards costs $1.99 and Circle and Sphere Pro $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for POP Math Cards against 4.9 for Circle and Sphere Pro. Both are backed by a comparable volume of ratings — 13 and 7 respectively. Written reviews are what separate them: 100% of POP Math Cards's written reviews are positive against 67% of Circle and Sphere Pro's.

POP Math Cards ships an update every 25 months, Circle and Sphere Pro monthly. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | POP Math Cards | Circle and Sphere Pro |
| --- | --- | --- |
| Price | **$1.99** | $2.99 |
| Rating | **[5.0 (13 ratings)](https://appshunter.io/ios/app/pop-math-cards/id1495261235/reviews)** | [4.9 (7 ratings)](https://appshunter.io/ios/app/circle-and-sphere-pro/id1564077280/reviews) |
| Number of ratings | **13** | 7 |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Monthly** |
| Monetization | Paid | **Free** |
| Size | 210 MB | 180 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Justin Hopkins](https://appshunter.io/developer/1495261234) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## What reviewers say

### POP Math Cards

[App page](https://appshunter.io/ios/app/pop-math-cards/id1495261235)

Engage in enjoyable math quizzes with flashcards covering addition, subtraction, multiplication, and division. Progress through levels, unlock new game customizations, and achieve weekly learning objectives. The app adapts difficulty and offers accessibility features for a personalized learning experience.

**Highlights:** Math flashcard quizzes, Multiple game modes, Progress tracking and leveling, Unlockable customizations, Weekly learning objectives, Adaptive difficulty, Accessibility features

**Features:** macOS Compatibility

**In-app purchases:** none


### Circle and Sphere Pro

[App page](https://appshunter.io/ios/app/circle-and-sphere-pro/id1564077280)

This app calculates various geometric quantities for circles and spheres, including sectors and segments. It supports decimals and fractions, displays formulas and solutions step-by-step, and stores calculations in a history. Users can share their results.

**Highlights:** Calculates sphere and circle quantities, Supports sectors and segments, Shows formulas and step-by-step solutions, Handles decimals and fractions, Stores calculations in history, Allows sharing of results

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is POP Math Cards free?

POP Math Cards costs $1.99, with no in-app purchases.

### Is Circle and Sphere Pro free?

Circle and Sphere Pro costs $2.99, with no in-app purchases.

### Which has better reviews, POP Math Cards or Circle and Sphere Pro?

POP Math Cards is rated higher. POP Math Cards averages 5.0 out of 5 from 13 ratings, while Circle and Sphere Pro averages 4.9 from 7 ratings.

### Do POP Math Cards or Circle and Sphere Pro have ads?

Neither POP Math Cards nor Circle and Sphere Pro shows ads.

### Which is updated more often, POP Math Cards or Circle and Sphere Pro?

POP Math Cards ships an update every 25 months, and Circle and Sphere Pro monthly. Most recently, POP Math Cards was updated on October 15, 2026 and Circle and Sphere Pro on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*