# MJPrompt vs Maxtek Smart Calculator

The clearest difference is in-app purchases: Maxtek Smart Calculator at none against MJPrompt's 4. Maxtek Smart Calculator also leads on ads (none vs shown) and update cadence (every 8 days vs monthly). MJPrompt's advantage is ratings volume (11 vs 1). On price, rating, device support and iOS requirement there is nothing between them.

Both are free to download. MJPrompt sells 4 in-app purchases, starting at $2.99 per month. Maxtek Smart Calculator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for MJPrompt against 5.0 for Maxtek Smart Calculator. That said, the two scores are not equally well evidenced: MJPrompt has 11 ratings behind it against 1, so its average is the more settled of the two.

MJPrompt ships an update monthly, Maxtek Smart Calculator every 8 days. The most recent releases landed on October 12, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | MJPrompt | Maxtek Smart Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (11 ratings)](https://appshunter.io/ios/app/mjprompt/id6445866551/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/maxtek-smart-calculator/id6535658380/reviews) |
| Number of ratings | **11** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 8 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 91 MB | 24 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [永峰 金](https://appshunter.io/developer/1673885093) | [Maxtek](https://appshunter.io/developer/1570100044) |

## What reviewers say

### MJPrompt

[App page](https://appshunter.io/ios/app/mjprompt/id6445866551)

This app assists users in creating effective prompts for AI art generation, offering a variety of modules and the ability to build custom prompt libraries. It helps overcome creative blocks and streamlines the artwork creation process for both beginners and experienced artists.

**Highlights:** AI art prompt generation, Customizable prompt modules, User-created prompt libraries, Image prompt support, Scene setting with parameters, Prompt copying for sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MJPrompt Pro - mensuel | $2.99 | per month |
| MJPrompt Pro - quarterly | $4.99 | per 3 months |
| MJPrompt Pro - Yearly | $12.99 | per year |
| MJPrompt Pro - Lifetime | $24.99 | one-time |


### Maxtek Smart Calculator

[App page](https://appshunter.io/ios/app/maxtek-smart-calculator/id6535658380)

Calculates the optimal number of light bulbs required for a room using sensor data and an advanced formula. Helps determine the perfect lighting setup.

**Highlights:** Sensor-based calculation, Advanced formula, Optimal bulb quantity, Room lighting optimization

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MJPrompt free?

MJPrompt is free to download, with in-app purchases available.

### Is Maxtek Smart Calculator free?

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

### Which has better reviews, MJPrompt or Maxtek Smart Calculator?

MJPrompt and Maxtek Smart Calculator are both rated 5.0 out of 5 on the App Store, from 11 and 1 ratings respectively.

### Do MJPrompt or Maxtek Smart Calculator have ads?

MJPrompt shows ads; Maxtek Smart Calculator does not.

### Which is updated more often, MJPrompt or Maxtek Smart Calculator?

MJPrompt ships an update monthly, and Maxtek Smart Calculator every 8 days. Most recently, MJPrompt was updated on October 12, 2026 and Maxtek Smart Calculator on September 24, 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.*