# Linear Algebra Pro vs Waldo

The clearest difference is price: Waldo at Free against Linear Algebra Pro's $4.99. Waldo also leads on update cadence (every 3 weeks vs every 4 months) and iOS requirement (14.0 vs 16.0). Linear Algebra Pro's advantage is in-app purchases (none vs 2). On rating, ratings volume, ads and device support there is nothing between them.

Waldo is free to download; Linear Algebra Pro costs $4.99 up front. Waldo sells 2 in-app purchases, starting at $2.99 per 3 months. Linear Algebra Pro asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Linear Algebra Pro against 5.0 for Waldo. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Linear Algebra Pro ships an update every 4 months, Waldo every 3 weeks. The most recent releases landed on October 19, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Linear Algebra Pro | Waldo |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/linear-algebra-pro/id1669762569/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/waldo-reading-emerson/id6504142895/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 8 MB | 31 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ALG Software Lab](https://appshunter.io/developer/1650561236) | [Christopher Shade](https://appshunter.io/developer/1589247439) |

## What reviewers say

### Linear Algebra Pro

[App page](https://appshunter.io/ios/app/linear-algebra-pro/id1669762569)

This app provides step-by-step calculations and detailed solutions for matrix and vector operations. It's designed for students and professionals needing to solve linear algebra problems quickly and understand the underlying math.

**Highlights:** Matrix operations (addition, subtraction, multiplication), Determinant calculations (Sarrus, Laplace methods), Vector operations (addition, subtraction, scalar/vector product), Step-by-step solutions with formulas, Theoretical overviews for concepts, Random number generator for practice problems

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

**In-app purchases:** none


### Waldo

[App page](https://appshunter.io/ios/app/waldo-reading-emerson/id6504142895)

Access daily inspirational quotes from Ralph Waldo Emerson's writings. Curate your own personal manifesto by saving favorite excerpts and share them with others. Explore profound insights on individuality, freedom, and human potential.

**Highlights:** Daily Emerson excerpts, Personal manifesto builder, Save and revisit excerpts, Share manifesto, Explore "Self-Reliance"

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Waldo Plus - 3 Months | $2.99 | per 3 months |
| Waldo Plus - 1 Year | $9.99 | per year |


## Frequently asked questions

### Is Linear Algebra Pro free?

Linear Algebra Pro costs $4.99, with no in-app purchases.

### Is Waldo free?

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

### Which has better reviews, Linear Algebra Pro or Waldo?

Linear Algebra Pro and Waldo are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Linear Algebra Pro or Waldo have ads?

Neither Linear Algebra Pro nor Waldo shows ads.

### Which is updated more often, Linear Algebra Pro or Waldo?

Linear Algebra Pro ships an update every 4 months, and Waldo every 3 weeks. Most recently, Linear Algebra Pro was updated on October 19, 2026 and Waldo on October 27, 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.*