# Number Builder vs LatinOpus

The clearest difference is price: Number Builder at Free against LatinOpus's $5.99. Number Builder also leads on rating (4.6 vs 4.3) and ratings volume (10 vs 3). LatinOpus's advantage is in-app purchases (none vs 1) and update cadence (every 6 weeks vs every 39 months). On review sentiment and ads there is nothing between them.

Number Builder is free to download; LatinOpus costs $5.99 up front. Number Builder sells 1 one-off in-app purchase. LatinOpus asks for nothing beyond the download.

Number Builder holds the better App Store score, 4.6 against 4.3. Both are backed by a comparable volume of ratings — 10 and 3 respectively. Written reviews complicate that: 80% of Number Builder's written reviews are positive against 83% of LatinOpus's, so the app with the better star average is not the one people write more warmly about.

Number Builder ships an update every 39 months, LatinOpus every 6 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Number Builder | LatinOpus |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | **[4.6 (10 ratings)](https://appshunter.io/ios/app/number-builder-puzzle-solver/id1489526164/reviews)** | [4.3 (3 ratings)](https://appshunter.io/ios/app/latinopus-henle/id1644733035/reviews) |
| Number of ratings | **10** | 3 |
| Positive reviews | 80.0% of reviews | **83.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 6 weeks** |
| Monetization | **Free** | Paid |
| Size | 4 MB | 26 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Widgetilities LLC](https://appshunter.io/developer/1373578566) | [PIRUX, LLC](https://appshunter.io/developer/1618629503) |

## What reviewers say

### Number Builder

[App page](https://appshunter.io/ios/app/number-builder-puzzle-solver/id1489526164)

This app helps solve math puzzles by calculating all possible equations from dice rolls and a target number. It supports basic arithmetic, powers, and roots, making it a useful tool for games like Number Knockout.

**Highlights:** Calculates all possible solutions, Supports basic arithmetic, Includes powers and roots, Input dice rolls and target number, Useful for Number Knockout game

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Challenge Mode | $1.99 | one-time |


### LatinOpus

[App page](https://appshunter.io/ios/app/latinopus-henle/id1644733035)

Master Latin vocabulary with digital flashcards designed for Henle Latin students. Practice specific units or lessons, refine your knowledge in both directions, and track your progress with detailed statistics. Focus on learning without ads or tracking.

**Highlights:** Digital flashcards for Henle Latin, Practice by unit or lesson, Latin to English and English to Latin practice, Customizable practice lists, Self-quizzes with score tracking, Detailed statistics on progress

**In-app purchases:** none


## Frequently asked questions

### Is Number Builder free?

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

### Is LatinOpus free?

LatinOpus costs $5.99, with no in-app purchases.

### Which has better reviews, Number Builder or LatinOpus?

Number Builder is rated higher. Number Builder averages 4.6 out of 5 from 10 ratings, while LatinOpus averages 4.3 from 3 ratings.

### Do Number Builder or LatinOpus have ads?

Neither Number Builder nor LatinOpus shows ads.

### Which is updated more often, Number Builder or LatinOpus?

Number Builder ships an update every 39 months, and LatinOpus every 6 weeks. Most recently, Number Builder was updated on October 24, 2026 and LatinOpus on October 24, 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.*