# Scale Master 2.0 vs Simple Sentence Maker Pro SLP

The clearest difference is price: Scale Master 2.0 at $1.99 against Simple Sentence Maker Pro SLP's $79.99. Scale Master 2.0 also leads on rating (4.4 vs 3.5) and update cadence (every 2 months vs every 7 months). Simple Sentence Maker Pro SLP's advantage is in-app purchases (none vs 1) and review sentiment (100% vs 87%). On ads and device support there is nothing between them.

Scale Master 2.0 costs $1.99 and Simple Sentence Maker Pro SLP $79.99 up front. Scale Master 2.0 sells 1 one-off in-app purchase. Simple Sentence Maker Pro SLP asks for nothing beyond the download.

Scale Master 2.0 holds the better App Store score, 4.4 against 3.5. That said, the two scores are not equally well evidenced: Scale Master 2.0 has 23 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 87% of Scale Master 2.0's written reviews are positive against 100% of Simple Sentence Maker Pro SLP's, so the app with the better star average is not the one people write more warmly about.

Scale Master 2.0 ships an update every 2 months, Simple Sentence Maker Pro SLP every 7 months. The most recent releases landed on October 23, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Scale Master 2.0 | Simple Sentence Maker Pro SLP |
| --- | --- | --- |
| Price | **$1.99** | $79.99 |
| Rating | **[4.4 (23 ratings)](https://appshunter.io/ios/app/scale-master-20/id496736994/reviews)** | [3.5 (2 ratings)](https://appshunter.io/ios/app/simple-sentence-maker-pro-slp/id1217718674/reviews) |
| Number of ratings | **23** | 2 |
| Positive reviews | 86.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 6 MB | 372 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gil Estes](https://appshunter.io/developer/349882768) | [Edition Symbolicone inc.](https://appshunter.io/developer/901296590) |

## What reviewers say

### Scale Master 2.0

[App page](https://appshunter.io/ios/app/scale-master-20/id496736994)

This app helps musicians improve their tuning accuracy and speed. It uses droning sounds to practice intonation and visually highlights scale patterns for easy recognition. Ideal for both aspiring and professional musicians, as well as educators.

**Highlights:** Droning sound practice for intonation, Visual scale pattern highlighting, Supports various scale modes, Scale auto-play function, Real-time interval generation, 780 droning renderings, 420 scale configurations

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Jazz Modes | $0.99 | one-time |


### Simple Sentence Maker Pro SLP

[App page](https://appshunter.io/ios/app/simple-sentence-maker-pro-slp/id1217718674)

An educational game designed to help children with special needs learn simple sentence structure. It uses pictograms and fun animations to build vocabulary and stimulate language development, making it ideal for toddlers, preschoolers, and those with autism spectrum disorder.

**Highlights:** Learn simple sentence structure (subject, verb, object), Build vocabulary with pictograms, Stimulate language development, Graduated difficulty levels, Funny animations for engagement, Ideal for children with autism

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

**In-app purchases:** none


## Frequently asked questions

### Is Scale Master 2.0 free?

Scale Master 2.0 costs $1.99, and also offers in-app purchases.

### Is Simple Sentence Maker Pro SLP free?

Simple Sentence Maker Pro SLP costs $79.99, with no in-app purchases.

### Which has better reviews, Scale Master 2.0 or Simple Sentence Maker Pro SLP?

Scale Master 2.0 is rated higher. Scale Master 2.0 averages 4.4 out of 5 from 23 ratings, while Simple Sentence Maker Pro SLP averages 3.5 from 2 ratings.

### Do Scale Master 2.0 or Simple Sentence Maker Pro SLP have ads?

Neither Scale Master 2.0 nor Simple Sentence Maker Pro SLP shows ads.

### Which is updated more often, Scale Master 2.0 or Simple Sentence Maker Pro SLP?

Scale Master 2.0 ships an update every 2 months, and Simple Sentence Maker Pro SLP every 7 months. Most recently, Scale Master 2.0 was updated on October 23, 2026 and Simple Sentence Maker Pro SLP on October 21, 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.*