# Circle & Sphere vs Circular Segment Calculator

The clearest difference is review sentiment: Circle & Sphere at 100% against Circular Segment Calculator's 0%. Circle & Sphere also leads on price (Free vs $2.99) and update cadence (every 3 weeks vs every 23 months). Circular Segment Calculator's advantage is rating (5.0 vs 4.0) and in-app purchases (none vs 8). On ratings volume, ads, device support and iOS requirement there is nothing between them.

Circle & Sphere is free to download; Circular Segment Calculator costs $2.99 up front. Circle & Sphere sells 8 one-off in-app purchases. Circular Segment Calculator asks for nothing beyond the download.

Circular Segment Calculator holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews complicate that: 100% of Circle & Sphere's written reviews are positive against 0% of Circular Segment Calculator's, so the app with the better star average is not the one people write more warmly about.

Circle & Sphere ships an update every 3 weeks, Circular Segment Calculator every 23 months. The most recent releases landed on September 19, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Circle & Sphere | Circular Segment Calculator |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/circle-and-sphere/id1564077078/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/circular-segment-calculator/id1628037532/reviews)** |
| Number of ratings | **4** | 2 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 23 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 180 MB | 1 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## What reviewers say

### Circle & Sphere

[App page](https://appshunter.io/ios/app/circle-and-sphere/id1564077078)

Instantly solve geometry problems for homework and exams. Calculate circle and sphere properties with step-by-step solutions. Access learning videos and manage your calculations.

**Highlights:** Circle calculations (radius, diameter, circumference, area), Sphere calculations (surface area, volume), Circular sector calculations, Step-by-step solutions, Learning videos, Solution management

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +30 User Tokens | $0.29 | one-time |
| +1 Convenience Token / 6h, max. +2 | $0.59 | one-time |
| +2 Convenience Tokens / 6h, max. +4 | $0.99 | one-time |
| +150 User Tokens | $0.99 | one-time |
| +300 User Tokens | $1.49 | one-time |
| +4 Convenience Tokens / 6h, max. +8 | $1.59 | one-time |
| Remove Ads | $2.99 | one-time |
| Lifetime Access | $2.99 | one-time |


### Circular Segment Calculator

[App page](https://appshunter.io/ios/app/circular-segment-calculator/id1628037532)

Instantly calculate all six properties of any circular segment by entering just two values. Ideal for students, engineers, and makers needing quick, reliable geometry solutions on the go.

**Highlights:** Calculate radius, angle, arc length, chord length, height, and area, Two input modes: Angle & Radius or Chord & Height, Real-time results update as you type, Step-by-step formula explanations, Tap to copy results, Supports multiple units and dark mode

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

**In-app purchases:** none


## Frequently asked questions

### Is Circle & Sphere free?

Circle & Sphere is free to download, with in-app purchases available.

### Is Circular Segment Calculator free?

Circular Segment Calculator costs $2.99, with no in-app purchases.

### Which has better reviews, Circle & Sphere or Circular Segment Calculator?

Circular Segment Calculator is rated higher. Circle & Sphere averages 4.0 out of 5 from 4 ratings, while Circular Segment Calculator averages 5.0 from 2 ratings.

### Do Circle & Sphere or Circular Segment Calculator have ads?

Neither Circle & Sphere nor Circular Segment Calculator shows ads.

### Which is updated more often, Circle & Sphere or Circular Segment Calculator?

Circle & Sphere ships an update every 3 weeks, and Circular Segment Calculator every 23 months. Most recently, Circle & Sphere was updated on September 19, 2026 and Circular Segment Calculator on September 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.*