# TANGRAM IoT Tool vs Text to Speech

The clearest difference is update cadence: TANGRAM IoT Tool at every 2 weeks against Text to Speech's every 11 months. TANGRAM IoT Tool also leads on iOS requirement (12.0 vs 14.0). 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.

TANGRAM IoT Tool ships an update every 2 weeks, Text to Speech every 11 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | TANGRAM IoT Tool | Text to Speech |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.9 (38 ratings)](https://appshunter.io/ios/app/text-to-speech-book-reader/id1665576817/reviews)** |
| Number of ratings | — | **38** |
| Positive reviews | — | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 11 months |
| Monetization | — | Free |
| Size | 75 MB | 6 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TANGRAM Company Limited.](https://appshunter.io/developer/1480182974) | [Jatin Maniya](https://appshunter.io/developer/1578216434) |

## What reviewers say

### TANGRAM IoT Tool

[App page](https://appshunter.io/ios/app/tangram-iot-tool/id1643057260)

**In-app purchases:** none


### Text to Speech

[App page](https://appshunter.io/ios/app/text-to-speech-book-reader/id1665576817)

This application converts written text and documents into spoken audio. It allows users to adjust speech settings like volume, speed, and pitch. Saved text can be accessed later, and the app functions offline.

**Highlights:** Text to audio conversion, Document to speech, Adjustable volume, speed, and pitch, Save text for later, Offline functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is TANGRAM IoT Tool free?

TANGRAM IoT Tool is free to download, with no in-app purchases.

### Is Text to Speech free?

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

### Do TANGRAM IoT Tool or Text to Speech have ads?

Neither TANGRAM IoT Tool nor Text to Speech shows ads.

### Which is updated more often, TANGRAM IoT Tool or Text to Speech?

TANGRAM IoT Tool ships an update every 2 weeks, and Text to Speech every 11 months. Most recently, TANGRAM IoT Tool was updated on October 27, 2026 and Text to Speech on October 24, 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.*