# STTC Teacher vs TexBook

The clearest difference is update cadence: TexBook at monthly against STTC Teacher's every 12 months. On price, ads, in-app purchases and device support there is nothing between them.

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

STTC Teacher ships an update every 12 months, TexBook monthly. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | STTC Teacher | TexBook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Monthly** |
| Size | 9 MB | 12 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [EMCast Co., Ltd.](https://appshunter.io/developer/1198817554) | [Sevheng Luy](https://appshunter.io/developer/6790713645) |

## What reviewers say

### STTC Teacher

[App page](https://appshunter.io/ios/app/sttc-teacher/id6444526303)

**In-app purchases:** none


### TexBook

[App page](https://appshunter.io/ios/app/texbook/id6790713643)

**In-app purchases:** none


## Frequently asked questions

### Is STTC Teacher free?

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

### Is TexBook free?

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

### Do STTC Teacher or TexBook have ads?

Neither STTC Teacher nor TexBook shows ads.

### Which is updated more often, STTC Teacher or TexBook?

STTC Teacher ships an update every 12 months, and TexBook monthly. Most recently, STTC Teacher was updated on October 27, 2026 and TexBook on October 31, 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.*