# Plusfinity AI vs Calculus Solver

The clearest difference is review sentiment: Plusfinity AI at 78% against Calculus Solver's 0%. Plusfinity AI also leads on rating (4.8 vs 4.2) and update cadence (fortnightly vs every 21 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Plusfinity AI sells 8 in-app purchases, starting at $8.99 per 7 days and Calculus Solver sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Plusfinity AI holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: Plusfinity AI has 2.1K ratings behind it against 30, so its average is the more settled of the two. Written reviews point the same way: 78% of Plusfinity AI's written reviews are positive against 0% of Calculus Solver's.

Plusfinity AI ships an update fortnightly, Calculus Solver every 21 months. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Plusfinity AI | Calculus Solver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (2.1K ratings)](https://appshunter.io/ios/app/plusfinity-ai-study-better/id6466733829/reviews)** | [4.2 (30 ratings)](https://appshunter.io/ios/app/calculus-solver-calculus-ai/id6737236212/reviews) |
| Number of ratings | **2.1K** | 30 |
| Positive reviews | **77.5% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 21 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 130 MB | 49 MB |
| Requires iOS | 15.0 | **14.0.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Plusfinity AI, Inc.](https://appshunter.io/developer/1583915688) | [East Frisia LLC](https://appshunter.io/developer/547826578) |

## What reviewers say

### Plusfinity AI

[App page](https://appshunter.io/ios/app/plusfinity-ai-study-better/id6466733829)

This AI-powered study app provides step-by-step solutions, instant explanations, and practice quizzes for subjects like math, physics, and chemistry. It adapts to your learning style, offering a personalized experience to help you understand concepts better and prepare for exams.

**Highlights:** Step-by-step solutions, AI explanations, Snap question solver, Quiz practice, Math, physics, chemistry help, Personalized learning

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plusfinity Pro – Weekly | $8.99 | per 7 days |
| Plusfinity Pro | $11.99 | per month |
| Plusfinity Pro | $14.99 | per month |
| Plusfinity Pro – 3 Months | $49.99 | per 3 months |
| Plusfinity Pro | $69.99 | per year |
| Plusfinity Pro | $69.99 | per year |
| Plusfinity Pro – Yearly | $99.99 | per year |
| Plusfinity Pro | $104.99 | per year |

**What reviewers like**

- 🚀 Straight to the point explanations
- 🎓 Provides learning resources
- 👍 Intuitive and easy to use
- 🆓 Free and helpful
- 💡 Detailed step-by-step solutions

**What reviewers complain about**

- 🔢 Limited daily question limit
- 🤖 Accuracy issues with some solutions
- 🔄 Stuck in loading state after first answer
- 💰 Paywall for more features

**Reported bugs**

- Inability to read graphs
- Compatibility issues with older devices

**Requested features**

- Increase daily question limit
- Improve accuracy of solutions
- Fix loading issues after first answer
- Implement ad-based system for free access


### Calculus Solver

[App page](https://appshunter.io/ios/app/calculus-solver-calculus-ai/id6737236212)

Instantly solve calculus problems with AI. Get detailed, step-by-step solutions for derivatives, integrals, limits, and more. Perfect for students needing homework help or exam preparation.

**Highlights:** AI-powered calculus problem solving, Photo and manual input methods, Detailed step-by-step explanations, Instant and accurate results, Covers derivatives, integrals, limits, and more, Ideal for students and self-study

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Weekly | $4.99 | per 7 days |
| Premium - Monthly | $12.99 | per month |
| Premium - Yearly Discount | $14.99 | per year |
| Premium - Yearly | $29.99 | per year |


## Frequently asked questions

### Is Plusfinity AI free?

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

### Is Calculus Solver free?

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

### Which has better reviews, Plusfinity AI or Calculus Solver?

Plusfinity AI is rated higher. Plusfinity AI averages 4.8 out of 5 from 2.1K ratings, while Calculus Solver averages 4.2 from 30 ratings.

### Do Plusfinity AI or Calculus Solver have ads?

Neither Plusfinity AI nor Calculus Solver shows ads.

### Which is updated more often, Plusfinity AI or Calculus Solver?

Plusfinity AI ships an update fortnightly, and Calculus Solver every 21 months. Most recently, Plusfinity AI was updated on October 12, 2026 and Calculus Solver on October 13, 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.*