# Number Builder vs JAM Legio

The clearest difference is price: Number Builder at Free against JAM Legio's $19.99. Number Builder also leads on ratings volume (7 vs 1). JAM Legio's advantage is in-app purchases (none vs 1) and update cadence (weekly vs every 39 months). On rating, ads, device support and iOS requirement there is nothing between them.

Number Builder is free to download; JAM Legio costs $19.99 up front. Number Builder sells 1 one-off in-app purchase. JAM Legio asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Number Builder against 5.0 for JAM Legio. That said, the two scores are not equally well evidenced: Number Builder has 7 ratings behind it against 1, so its average is the more settled of the two.

Number Builder ships an update every 39 months, JAM Legio weekly. The most recent releases landed on October 10, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Number Builder | JAM Legio |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| Rating | [4.9 (7 ratings)](https://appshunter.io/ios/app/number-builder-puzzle-solver/id1489526164/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/jam-legio/id6797884645/reviews)** |
| Number of ratings | **7** | 1 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 39 months | **Weekly** |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#200** |
| Size | 4 MB | 64 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Widgetilities LLC](https://appshunter.io/developer/1373578566) | [Jam with Latin](https://appshunter.io/developer/6797884647) |

## 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 |


### JAM Legio

[App page](https://appshunter.io/ios/app/jam-legio/id6797884645)

**Currently charting:** #200 Top Paid · Education (US App Store)

Embark on a historical adventure learning classical Latin. This app guides you from Rome to Gaul, teaching vocabulary, verb endings, and sentence structure through interactive challenges and a journey-based curriculum. Designed for homeschool and classical education students, it offers a fun and engaging way to master first-year Latin.

**Highlights:** Roman legion journey from Rome to Gaul, Henle and Vulgate vocabulary integration, Interactive learning activities (matching, challenges), Progress tracking and global leaderboard, Focus on noun declensions, verb endings, and sentences, Ad-free and no in-app purchases

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Number Builder free?

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

### Is JAM Legio free?

JAM Legio costs $19.99, with no in-app purchases.

### Which has better reviews, Number Builder or JAM Legio?

JAM Legio is rated higher. Number Builder averages 4.9 out of 5 from 7 ratings, while JAM Legio averages 5.0 from 1 ratings.

### Do Number Builder or JAM Legio have ads?

Neither Number Builder nor JAM Legio shows ads.

### Which is updated more often, Number Builder or JAM Legio?

Number Builder ships an update every 39 months, and JAM Legio weekly. Most recently, Number Builder was updated on October 10, 2026 and JAM Legio on October 3, 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.*