# Calculator Sharp vs Trajectory

The clearest difference is update cadence: Trajectory at fortnightly against Calculator Sharp's every 5 months. Calculator Sharp's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.7.2). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Calculator Sharp ships an update every 5 months, Trajectory fortnightly. The most recent releases landed on August 30, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Calculator Sharp | Trajectory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/calculator-sharp/id882461576/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 93.8% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | Ad-supported | — |
| Size | 31 MB | 36 MB |
| Requires iOS | **12.0** | 17.7.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [锦文 游](https://appshunter.io/developer/406832160) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Calculator Sharp

[App page](https://appshunter.io/ios/app/calculator-sharp/id882461576)

This calculator app offers ultra-high precision with up to 37 digits of accuracy. It supports a wide range of complex mathematical functions, including trigonometric, logarithmic, and integral operations, along with step-by-step calculation display and undo/redo functionality.

**Highlights:** Ultra-high precision (37 digits), Supports complex mathematical operations, Displays calculation steps, Undo and redo functionality, Multiple number base conversions, WYSIWYG interface

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

**In-app purchases:** none


### Trajectory

[App page](https://appshunter.io/ios/app/trajectory-detection/id6511212764)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculator Sharp free?

Calculator Sharp is free to download, with no in-app purchases.

### Is Trajectory free?

Trajectory is free to download, with no in-app purchases.

### Do Calculator Sharp or Trajectory have ads?

Both Calculator Sharp and Trajectory show ads.

### Which is updated more often, Calculator Sharp or Trajectory?

Calculator Sharp ships an update every 5 months, and Trajectory fortnightly. Most recently, Calculator Sharp was updated on August 30, 2026 and Trajectory on September 8, 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.*