# SenGram vs Number Builder

The clearest difference is price: Number Builder at Free against SenGram's $3.99. Number Builder also leads on rating (4.6 vs 3.6) and review sentiment (80% vs 64%). SenGram's advantage is update cadence (monthly vs every 39 months) and ratings volume (181 vs 10). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Number Builder is free to download; SenGram costs $3.99 up front. SenGram sells 1 one-off in-app purchase and Number Builder sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Number Builder holds the better App Store score, 4.6 against 3.6. That said, the two scores are not equally well evidenced: SenGram has 181 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 64% of SenGram's written reviews are positive against 80% of Number Builder's.

SenGram ships an update monthly, Number Builder every 39 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | SenGram | Number Builder |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [3.6 (181 ratings)](https://appshunter.io/ios/app/sengram-sentence-diagramming/id512943810/reviews) | **[4.6 (10 ratings)](https://appshunter.io/ios/app/number-builder-puzzle-solver/id1489526164/reviews)** |
| Number of ratings | **181** | 10 |
| Positive reviews | 63.6% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 39 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#150** | — |
| Size | 11 MB | 4 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Soferio](https://appshunter.io/developer/512943813) | [Widgetilities LLC](https://appshunter.io/developer/1373578566) |

## What reviewers say

### SenGram

[App page](https://appshunter.io/ios/app/sengram-sentence-diagramming/id512943810)

**Currently charting:** #150 Top Paid · Education (US App Store)

This educational game challenges users to deconstruct sentences and visually represent their grammatical structure through diagramming. It offers over 100 puzzles, with additional content available for purchase, to test and enhance language comprehension.

**Highlights:** Sentence diagram puzzles, Grammatical structure identification, Over 100 pre-made puzzles, Reed Kellogg diagramming style, In-app puzzle purchases

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Level 3 - verbals. | $2.99 | one-time |

**What reviewers like**

- 👍 Helpful for learning English
- 👍 Great for practicing sentence diagramming
- 👍 Improves grammar quiz scores
- 👍 Useful for reviewing sentence structure
- 👍 Fun and engaging learning tool

**What reviewers complain about**

- 👎 Misleading app description
- 👎 Not an automated diagram generator
- 👎 App crashes frequently
- 👎 Difficult to use
- 👎 Inaccurate diagramming (punctuation)

**Reported bugs**

- App crashes on launch after iPhone update
- App crashes when trying to use it
- App no longer works after iPhone update
- Screen only shows a vertical line on iPad

**Requested features**

- Supplementary exercises or commentary
- Draw lines and place words freely
- Add more sentences to diagram
- Input own sentences to diagram
- Pop-ups explaining 'why' for diagramming


### 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 |


## Frequently asked questions

### Is SenGram free?

SenGram costs $3.99, and also offers in-app purchases.

### Is Number Builder free?

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

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

Number Builder is rated higher. SenGram averages 3.6 out of 5 from 181 ratings, while Number Builder averages 4.6 from 10 ratings.

### Do SenGram or Number Builder have ads?

Neither SenGram nor Number Builder shows ads.

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

SenGram ships an update monthly, and Number Builder every 39 months. Most recently, SenGram was updated on November 1, 2026 and Number Builder on November 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.*