# TT Math 6 vs BioSmiles

The clearest difference is iOS requirement: TT Math 6 at 12.0 against BioSmiles's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TT Math 6 ships an update every 2 months, BioSmiles every 3 months. The most recent releases landed on November 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | TT Math 6 | BioSmiles |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (172 ratings)](https://appshunter.io/ios/app/tt-math-6/id1516357226/reviews)** | — |
| Number of ratings | **172** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 125 MB | 127 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Teaching Textbooks, Inc.](https://appshunter.io/developer/1516345361) | [BioSmiles PLLC](https://appshunter.io/developer/1887186805) |

## What reviewers say

### 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


### BioSmiles

[App page](https://appshunter.io/ios/app/biosmiles/id6760994321)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TT Math 6 free?

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

### Is BioSmiles free?

BioSmiles is free to download, with no in-app purchases.

### Do TT Math 6 or BioSmiles have ads?

Neither TT Math 6 nor BioSmiles shows ads.

### Which is updated more often, TT Math 6 or BioSmiles?

TT Math 6 ships an update every 2 months, and BioSmiles every 3 months. Most recently, TT Math 6 was updated on November 3, 2026 and BioSmiles on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*