# Back in Time vs Circular Segment Calculator

The clearest difference is review sentiment: Back in Time at 76% against Circular Segment Calculator's 0%. Back in Time also leads on update cadence (every 7 months vs every 23 months) and ratings volume (27 vs 2). Circular Segment Calculator's advantage is rating (5.0 vs 4.7) and price ($2.99 vs $7.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

Back in Time costs $7.99 and Circular Segment Calculator $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Circular Segment Calculator holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Back in Time has 27 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 76% of Back in Time'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.

Back in Time ships an update every 7 months, Circular Segment Calculator every 23 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Back in Time | Circular Segment Calculator |
| --- | --- | --- |
| Price | $7.99 | **$2.99** |
| Rating | [4.7 (27 ratings)](https://appshunter.io/ios/app/back-in-time/id450345693/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/circular-segment-calculator/id1628037532/reviews)** |
| Number of ratings | **27** | 2 |
| Positive reviews | **75.9% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 23 months |
| Monetization | Paid | Paid |
| Size | 836 MB | 1 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Landka](https://appshunter.io/developer/450345696) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## What reviewers say

### Back in Time

[App page](https://appshunter.io/ios/app/back-in-time/id450345693)

Explore the history of the Universe, Earth, Life, and Civilization through an immersive, interactive journey. This app uses custom animations, timelines, and interesting facts to bring historical events to life. It's designed to help users understand the connections between events and see the bigger picture.

**Highlights:** Interactive timeline of events, Custom animations and videos, Over 350 remarkable images, Little-known interesting facts, Offline access, Multilingual support

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Back in Time free?

Back in Time costs $7.99, with no in-app purchases.

### Is Circular Segment Calculator free?

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

### Which has better reviews, Back in Time or Circular Segment Calculator?

Circular Segment Calculator is rated higher. Back in Time averages 4.7 out of 5 from 27 ratings, while Circular Segment Calculator averages 5.0 from 2 ratings.

### Do Back in Time or Circular Segment Calculator have ads?

Neither Back in Time nor Circular Segment Calculator shows ads.

### Which is updated more often, Back in Time or Circular Segment Calculator?

Back in Time ships an update every 7 months, and Circular Segment Calculator every 23 months. Most recently, Back in Time was updated on November 6, 2026 and Circular Segment Calculator on November 3, 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.*