# Solving Linear Equation PRO vs AI Study & Flashcards · Recall

Solving Linear Equation PRO and AI Study & Flashcards · Recall both sit at 4.6 stars, but that hides the real split: 83% of AI Study & Flashcards · Recall's written reviews are positive against 0% of Solving Linear Equation PRO's. AI Study & Flashcards · Recall also leads on price (Free vs $1.99) and ratings volume (253 vs 22). Solving Linear Equation PRO's advantage is in-app purchases (none vs 12). On rating, update cadence, ads and device support there is nothing between them.

AI Study & Flashcards · Recall is free to download; Solving Linear Equation PRO costs $1.99 up front. AI Study & Flashcards · Recall sells 9 in-app purchases, starting at $3.99 per 7 days. Solving Linear Equation PRO asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Solving Linear Equation PRO against 4.6 for AI Study & Flashcards · Recall. That said, the two scores are not equally well evidenced: AI Study & Flashcards · Recall has 253 ratings behind it against 22, so its average is the more settled of the two. Written reviews are what separate them: 0% of Solving Linear Equation PRO's written reviews are positive against 83% of AI Study & Flashcards · Recall's.

Solving Linear Equation PRO ships an update every 3 weeks, AI Study & Flashcards · Recall every 2 weeks. The most recent releases landed on October 24, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Solving Linear Equation PRO | AI Study & Flashcards · Recall |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.6 (22 ratings)](https://appshunter.io/ios/app/solving-linear-equation-pro/id1273600793/reviews) | **[4.6 (253 ratings)](https://appshunter.io/ios/app/ai-study-and-flashcards-recall/id6473355207/reviews)** |
| Number of ratings | 22 | **253** |
| Positive reviews | 0.0% of reviews | **83.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 179 MB | 54 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) | [Giuseppe Lupo](https://appshunter.io/developer/1536647610) |

## What reviewers say

### Solving Linear Equation PRO

[App page](https://appshunter.io/ios/app/solving-linear-equation-pro/id1273600793)

Solve linear equations with detailed, step-by-step solutions and visualize the results with plots. Save and access past calculations through a history function, and easily share your final answers.

**Highlights:** Step-by-step equation solving, Plotting of results, Calculation history, Input validation, Decimal and fraction support, Solution sharing

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

**In-app purchases:** none


### AI Study & Flashcards · Recall

[App page](https://appshunter.io/ios/app/ai-study-and-flashcards-recall/id6473355207)

Boost your memory retention with AI-powered summaries, quizzes, and audio playback. This app helps you understand and recall information more effectively through personalized learning paths and mnemonic techniques.

**Highlights:** AI-powered summarization, Interactive self-testing quizzes, Audio playback of information, Mnemonic device integration, User-generated summaries and ratings, Personalized learning paths

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Recall AI Premium | $3.99 | per 7 days |
| IIRC Premium | $3.99 | per month |
| IIRC Premium | $5.99 | per month |
| IIRC Gold (Yearly) | $9.99 | per year |
| IIRC Gold (Yearly) | $39.99 | per year |
| IIRC Gold (Yearly) | $59.99 | per year |
| Lifetime IIRC Gold | $39.99 | one-time |
| Lifetime IIRC Gold | $79.99 | one-time |
| Lifetime IIRC Gold | $119.99 | one-time |

**What reviewers like**

- 👍 Excellent app that summarizes articles well
- 🚀 Streamlined and intuitive user experience
- 💡 Innovative use of AI for learning and retention
- 🧠 Helpful for improving memory and focus
- 🎓 Great for students and lifelong learners

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 💰 Concerns about the 'free lifetime' offer being misleading
- 🔒 Accessibility issues with unlabeled buttons
- 🔍 Limited support for certain file types or websites

**Reported bugs**

- Inability to restore premium accounts after reinstallation
- Sharing functionality not working as expected
- Slow performance or long processing times for some tasks

**Requested features**

- Broader support for integrating with other apps and platforms
- Addition of audio/video summarization capabilities
- Customizable learning settings and personalization options
- Improved accessibility features for users with disabilities


## Frequently asked questions

### Is Solving Linear Equation PRO free?

Solving Linear Equation PRO costs $1.99, with no in-app purchases.

### Is AI Study & Flashcards · Recall free?

AI Study & Flashcards · Recall is free to download, with in-app purchases available.

### Which has better reviews, Solving Linear Equation PRO or AI Study & Flashcards · Recall?

AI Study & Flashcards · Recall is rated higher. Solving Linear Equation PRO averages 4.6 out of 5 from 22 ratings, while AI Study & Flashcards · Recall averages 4.6 from 253 ratings.

### Do Solving Linear Equation PRO or AI Study & Flashcards · Recall have ads?

Neither Solving Linear Equation PRO nor AI Study & Flashcards · Recall shows ads.

### Which is updated more often, Solving Linear Equation PRO or AI Study & Flashcards · Recall?

Solving Linear Equation PRO ships an update every 3 weeks, and AI Study & Flashcards · Recall every 2 weeks. Most recently, Solving Linear Equation PRO was updated on October 24, 2026 and AI Study & Flashcards · Recall on November 1, 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.*