# MindMap vs calc318

The clearest difference is rating: calc318 at 5.0 against MindMap's 1.0. calc318 also leads on update cadence (every 3 months vs every 25 months). MindMap's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. MindMap sells 3 in-app purchases, starting at $1.99 per 7 days and calc318 sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

calc318 holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

MindMap ships an update every 25 months, calc318 every 3 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | MindMap | calc318 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/mindmap-mind-mapping-tools/id6572295577/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calc318/id6763030413/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 3 months** |
| Monetization | Subscription | Subscription |
| Size | 126 MB | 19 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Dazhuo Information Technology Co., Ltd.](https://appshunter.io/developer/1470341377) | [ARTIFICIAL INTELLIGENCE OPTIMIZATION AND SOFTWARE AIOS LLC](https://appshunter.io/developer/1835191566) |

## What reviewers say

### MindMap

[App page](https://appshunter.io/ios/app/mindmap-mind-mapping-tools/id6572295577)

Organize your ideas into clear diagrams and manage files seamlessly. This tool enhances work efficiency for personal growth, team collaboration, and professional projects. It offers intelligent mind mapping and comprehensive file integration.

**Highlights:** Intelligent mind mapping with diverse templates, Comprehensive file management integration, Seamless import and export of multiple formats, Organize scattered ideas into structured diagrams, Improve work efficiency

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $1.99 | per 7 days |
| Monthly Subscription | $2.99 | per month |
| Annual Subscription | $19.99 | per year |


### calc318

[App page](https://appshunter.io/ios/app/calc318/id6763030413)

Instantly solve 175 ACI 318-19 equations with live computation and interactive charts. Understand equation behavior with sensitivity graphs and clear variable descriptions. Designed for engineers needing quick, accurate calculations and insights.

**Highlights:** 175 ACI 318-19 equations solved instantly, Live computation with unit awareness, Interactive sensitivity graphs, Professionally formatted equations, Complete variable descriptions, Smart search functionality, Recents tab for quick access

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| calc318 Pro Monthly | $2.99 | per month |
| calc318 Pro Yearly | $12.99 | per year |


## Frequently asked questions

### Is MindMap free?

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

### Is calc318 free?

calc318 is free to download, with in-app purchases available.

### Which has better reviews, MindMap or calc318?

calc318 is rated higher. MindMap averages 1.0 out of 5 from 1 ratings, while calc318 averages 5.0 from 1 ratings.

### Do MindMap or calc318 have ads?

Neither MindMap nor calc318 shows ads.

### Which is updated more often, MindMap or calc318?

MindMap ships an update every 25 months, and calc318 every 3 months. Most recently, MindMap was updated on October 30, 2026 and calc318 on October 31, 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.*