# Calculate 84 AI vs NimbusLearn

The clearest difference is in-app purchases: NimbusLearn at none against Calculate 84 AI's 7. NimbusLearn also leads on rating (5.0 vs 4.6) and iOS requirement (15.1 vs 17.0). Calculate 84 AI's advantage is ratings volume (43 vs 4). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Calculate 84 AI sells 7 in-app purchases, starting at $1.99 per month. NimbusLearn asks for nothing beyond the download.

NimbusLearn holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Calculate 84 AI has 43 ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Calculate 84 AI ships an update fortnightly, NimbusLearn every 9 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Calculate 84 AI | NimbusLearn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (43 ratings)](https://appshunter.io/ios/app/calculate-84-ai/id6670720231/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/nimbuslearn/id6761029619/reviews)** |
| Number of ratings | **43** | 4 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 65 MB | 40 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fredinax Graphing Calculator](https://appshunter.io/developer/1767217696) | [Nimbulink LLC](https://appshunter.io/developer/1887391844) |

## What reviewers say

### Calculate 84 AI

[App page](https://appshunter.io/ios/app/calculate-84-ai/id6670720231)

This AI-powered graphing calculator offers step-by-step guidance for complex math problems, from pre-algebra to calculus. It features interactive graphing, matrix operations, and statistical tools, making learning math intuitive and efficient.

**Highlights:** AI-guided step-by-step solutions, Comprehensive math coverage (Pre-Algebra to Calculus), Interactive and dynamic graphing, Matrix and statistical calculations, Scrollable calculation history, Fraction and angle conversion support

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calculate AI PRO - Monthly | $1.99 | per month |
| Calculate AI PRO - Monthly | $1.99 | per month |
| Calculate AI PRO - Monthly | $3.99 | per month |
| Calculate AI PRO - Yearly | $5.99 | per year |
| Calculate AI PRO - Yearly | $12.99 | per year |
| Calculate AI PRO - Yearly | $17.99 | per year |
| Calculate AI PRO - Yearly | $24.99 | per year |


### NimbusLearn

[App page](https://appshunter.io/ios/app/nimbuslearn/id6761029619)

A cloud-based learning management system connecting students, instructors, and administrators. It simplifies course creation, assignment management, grading, and communication for educational institutions.

**Highlights:** Course and assignment management, SpeedGrader for quick grading, Student progress tracking, Built-in messaging, Assignment submission, Integrated calendar, Admin dashboard

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculate 84 AI free?

Calculate 84 AI is free to download, with in-app purchases available.

### Is NimbusLearn free?

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

### Which has better reviews, Calculate 84 AI or NimbusLearn?

NimbusLearn is rated higher. Calculate 84 AI averages 4.6 out of 5 from 43 ratings, while NimbusLearn averages 5.0 from 4 ratings.

### Do Calculate 84 AI or NimbusLearn have ads?

Neither Calculate 84 AI nor NimbusLearn shows ads.

### Which is updated more often, Calculate 84 AI or NimbusLearn?

Calculate 84 AI ships an update fortnightly, and NimbusLearn every 9 days. Most recently, Calculate 84 AI was updated on November 8, 2026 and NimbusLearn 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.*