# Simplex Spelling Phonics 1 vs TT Math 6

The clearest difference is price: TT Math 6 at Free against Simplex Spelling Phonics 1's $4.99. TT Math 6 also leads on update cadence (every 2 months vs every 5 months) and ratings volume (141 vs 23). Simplex Spelling Phonics 1's advantage is rating (4.0 vs 3.4) and review sentiment (81% vs 50%). On ads, in-app purchases and device support there is nothing between them.

TT Math 6 is free to download; Simplex Spelling Phonics 1 costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Simplex Spelling Phonics 1 holds the better App Store score, 4.0 against 3.4. That said, the two scores are not equally well evidenced: TT Math 6 has 141 ratings behind it against 23, so its average is the more settled of the two. Written reviews point the same way: 81% of Simplex Spelling Phonics 1's written reviews are positive against 50% of TT Math 6's.

Simplex Spelling Phonics 1 ships an update every 5 months, TT Math 6 every 2 months. The most recent releases landed on October 16, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Simplex Spelling Phonics 1 | TT Math 6 |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.0 (23 ratings)](https://appshunter.io/ios/app/simplex-spelling-phonics-1/id481553580/reviews)** | [3.4 (141 ratings)](https://appshunter.io/ios/app/tt-math-6/id1516357226/reviews) |
| Number of ratings | 23 | **141** |
| Positive reviews | **81.4% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 191 MB | 125 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Pyxwise Software Inc.](https://appshunter.io/developer/456744015) | [Teaching Textbooks, Inc.](https://appshunter.io/developer/1516345361) |

## What reviewers say

### Simplex Spelling Phonics 1

[App page](https://appshunter.io/ios/app/simplex-spelling-phonics-1/id481553580)

This app uses a scientifically validated phonics approach to improve spelling skills. It teaches fundamental spelling patterns, sounds, and rules through structured lessons and high-frequency words, aiming to build long-term literacy and confidence.

**Highlights:** 450+ high-frequency words, 42 instructional phonics lessons, Spelling pattern and difficulty organization, Reverse phonics approach, Contextual spelling rule hints, Letter-by-letter feedback, Starting assessment test

**Features:** macOS Compatibility

**In-app purchases:** none


### TT Math 6

[App page](https://appshunter.io/ios/app/tt-math-6/id1516357226)

This educational app enhances a math course with independent learning and on-the-go access, even offline for up to six lessons. It features audiovisual lectures, practice problems with instant feedback, and detailed explanations. Parents can track progress with built-in controls.

**Highlights:** Audiovisual lectures, Thousands of practice problems, Automated grading, Step-by-step explanations, Parental progress tracking, Digitized textbook with search

**In-app purchases:** none


## Frequently asked questions

### Is Simplex Spelling Phonics 1 free?

Simplex Spelling Phonics 1 costs $4.99, with no in-app purchases.

### Is TT Math 6 free?

TT Math 6 is free to download, with no in-app purchases.

### Which has better reviews, Simplex Spelling Phonics 1 or TT Math 6?

Simplex Spelling Phonics 1 is rated higher. Simplex Spelling Phonics 1 averages 4.0 out of 5 from 23 ratings, while TT Math 6 averages 3.4 from 141 ratings.

### Do Simplex Spelling Phonics 1 or TT Math 6 have ads?

Neither Simplex Spelling Phonics 1 nor TT Math 6 shows ads.

### Which is updated more often, Simplex Spelling Phonics 1 or TT Math 6?

Simplex Spelling Phonics 1 ships an update every 5 months, and TT Math 6 every 2 months. Most recently, Simplex Spelling Phonics 1 was updated on October 16, 2026 and TT Math 6 on October 15, 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.*