# A+ Spelling Test vs Number Line, by MLC

The clearest difference is rating: Number Line, by MLC at 4.4 against A+ Spelling Test's 3.4. Number Line, by MLC also leads on in-app purchases (none vs 1) and review sentiment (67% vs 55%). A+ Spelling Test's advantage is update cadence (every 2 months vs every 13 months) and ratings volume (253 vs 15). On price and ads there is nothing between them.

Both are free to download. A+ Spelling Test sells 1 one-off in-app purchase. Number Line, by MLC asks for nothing beyond the download.

Number Line, by MLC holds the better App Store score, 4.4 against 3.4. That said, the two scores are not equally well evidenced: A+ Spelling Test has 253 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 55% of A+ Spelling Test's written reviews are positive against 67% of Number Line, by MLC's.

A+ Spelling Test ships an update every 2 months, Number Line, by MLC every 13 months. The most recent releases landed on October 29, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | A+ Spelling Test | Number Line, by MLC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (253 ratings)](https://appshunter.io/ios/app/a-plus-spelling-test/id501211008/reviews) | **[4.4 (15 ratings)](https://appshunter.io/ios/app/number-line-by-mlc/id751816884/reviews)** |
| Number of ratings | **253** | 15 |
| Positive reviews | 54.9% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 13 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 7 MB |
| Requires iOS | **8.0** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | +4 | 4+ |
| Developer | [Innovative Mobile Apps](https://appshunter.io/developer/420345423) | [The Math Learning Center](https://appshunter.io/developer/1542700905) |

## What reviewers say

### A+ Spelling Test

[App page](https://appshunter.io/ios/app/a-plus-spelling-test/id501211008)

This app transforms spelling practice into an engaging activity for children. Parents and teachers can create custom tests, track progress, and utilize various modes like practice and unscrambling to enhance spelling skills. Results can be easily shared via email.

**Highlights:** Create custom spelling tests, Record custom audio for words, Track student progress and mistakes, Multiple practice modes (practice, unscramble), Submit homework results via email, Import and share spelling lists

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All PRO Features | $0.99 | one-time |

**What reviewers like**

- 🚀 Great for learning spelling
- 👍 Easy to use and set up
- 💡 Ability to record own voice
- 👍 Helpful for students of all ages
- 👍 Effective for improving spelling skills

**What reviewers complain about**

- 🐛 Recording function not working
- 🐛 Inability to create account for pro features
- 🐛 Inconsistent recognition of words
- 🐛 Glitchy and buggy
- 🐛 Unable to share/sync lists across devices

**Reported bugs**

- Inability to create account for pro features
- Recording function not working
- Inconsistent word recognition
- Crashing and freezing issues
- Inability to share/sync lists across devices

**Requested features**

- Ability to import/export word lists
- Option to adjust difficulty level
- Pronunciation guide for words
- Definitions and usage examples
- Landscape mode support for iPad


### Number Line, by MLC

[App page](https://appshunter.io/ios/app/number-line-by-mlc/id751816884)

This app allows students to visualize number sequences and demonstrate mathematical strategies. It supports various number types and offers tools for annotation, problem-solving, and sharing work. Ideal for elementary classrooms and iPad learning environments.

**Highlights:** Visualize number sequences, Demonstrate counting, adding, subtracting, multiplying, dividing, Use whole numbers, fractions, decimals, or negative numbers, Add custom tick marks and labels, Hide and reveal numbers and jumps, Annotation and drawing tools, Save and share work

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is A+ Spelling Test free?

A+ Spelling Test is free to download, with in-app purchases available.

### Is Number Line, by MLC free?

Number Line, by MLC is free to download, with no in-app purchases.

### Which has better reviews, A+ Spelling Test or Number Line, by MLC?

Number Line, by MLC is rated higher. A+ Spelling Test averages 3.4 out of 5 from 253 ratings, while Number Line, by MLC averages 4.4 from 15 ratings.

### Do A+ Spelling Test or Number Line, by MLC have ads?

Neither A+ Spelling Test nor Number Line, by MLC shows ads.

### Which is updated more often, A+ Spelling Test or Number Line, by MLC?

A+ Spelling Test ships an update every 2 months, and Number Line, by MLC every 13 months. Most recently, A+ Spelling Test was updated on October 29, 2026 and Number Line, by MLC on October 9, 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.*