# Calculator Plus vs PromptBoost AI Prompt Engineer

The clearest difference is rating: Calculator Plus at 4.9 against PromptBoost AI Prompt Engineer's 1.0. Calculator Plus also leads on ratings volume (694 vs 1) and price ($3.99 vs $4.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Calculator Plus costs $3.99 and PromptBoost AI Prompt Engineer $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Calculator Plus holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: Calculator Plus has 694 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Calculator Plus | PromptBoost AI Prompt Engineer |
| --- | --- | --- |
| Price | **$3.99** | $4.99 |
| Rating | **[4.9 (694 ratings)](https://appshunter.io/ios/app/calculator-plus-pro/id978091416/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/promptboost-ai-prompt-engineer/id6727012839/reviews) |
| Number of ratings | **694** | 1 |
| Positive reviews | 93.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 71 MB | 48 MB |
| Requires iOS | **15** | 15.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [DigitAlchemy LLC](https://appshunter.io/developer/376971628) | [Omer Cohen](https://appshunter.io/developer/1753515390) |

## What reviewers say

### Calculator Plus

[App page](https://appshunter.io/ios/app/calculator-plus-pro/id978091416)

This app simplifies everyday math with a clean interface and a history of all your calculations. Easily handle basic operations, percentages, and more, with the ability to review past entries for quick reference. It's designed for efficient problem-solving on the go.

**Highlights:** Clear, readable calculation display, Basic arithmetic and percentages, Backspace for error correction, Memory buttons and calculation history, Light and dark themes, Advanced functions (squaring, square root, pi)

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 👍 Large, clear numbers
- 👍 Intuitive interface
- 👍 Reliable performance
- 👍 Convenient features (e.g. history, memory)

**What reviewers complain about**

- 🐛 Occasional clicking sound issue
- 🔋 Potential battery drain

**Reported bugs**

- Clicking sound not removable
- Compatibility issues on older devices

**Requested features**

- Dark mode option
- Algebraic order of operations
- Customizable color schemes


### PromptBoost AI Prompt Engineer

[App page](https://appshunter.io/ios/app/promptboost-ai-prompt-engineer/id6727012839)

Enhance your AI chatbot interactions by transforming basic requests into detailed instructions. This tool helps you achieve deeper insights and more nuanced responses from large language models.

**Highlights:** Craft powerful, enhanced prompts, Achieve deeper AI insights, Track prompt history, Tailor prompts for LLMs, Generate nuanced responses

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculator Plus free?

Calculator Plus costs $3.99, with no in-app purchases.

### Is PromptBoost AI Prompt Engineer free?

PromptBoost AI Prompt Engineer costs $4.99, with no in-app purchases.

### Which has better reviews, Calculator Plus or PromptBoost AI Prompt Engineer?

Calculator Plus is rated higher. Calculator Plus averages 4.9 out of 5 from 694 ratings, while PromptBoost AI Prompt Engineer averages 1.0 from 1 ratings.

### Do Calculator Plus or PromptBoost AI Prompt Engineer have ads?

Neither Calculator Plus nor PromptBoost AI Prompt Engineer shows ads.

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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.*