# NDS Instructor App vs Text To Speech + ai

The clearest difference is in-app purchases: NDS Instructor App at none against Text To Speech + ai's 7. NDS Instructor App also leads on iOS requirement (9.1 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Text To Speech + ai sells 7 in-app purchases, starting at $4.99 per 7 days. NDS Instructor App asks for nothing beyond the download.

## The numbers

| Metric | NDS Instructor App | Text To Speech + ai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (4 ratings)](https://appshunter.io/ios/app/text-to-speech-plus-ai/id6470967369/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 98 MB | 43 MB |
| Requires iOS | **9.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Aryan Products and Services Inc](https://appshunter.io/developer/922499271) | [Mehmet Demir](https://appshunter.io/developer/1522952577) |

## What reviewers say

### NDS Instructor App

[App page](https://appshunter.io/ios/app/nds-instructor-app/id1614505209)

**Features:** macOS Compatibility

**In-app purchases:** none


### Text To Speech + ai

[App page](https://appshunter.io/ios/app/text-to-speech-plus-ai/id6470967369)

Convert any text into lifelike speech using a vast library of AI-powered voices across numerous languages. Import documents, save audio files, and organize your content with ease.

**Highlights:** Lifelike AI voices, 57 languages supported, 914 male and female voices, Import PDF/WORD files, Save as MP3, Folder structure, Search functionality

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Text to Voice Weekly | $4.99 | per 7 days |
| Text To Speech + AI | $4.99 | per 7 days |
| Text to Speech Weekly Premium | $6.99 | per 7 days |
| Text to Voice Monthly | $7.99 | per month |
| Text to Speech Monthly Premium | $9.99 | per month |
| Speech to Text | $9.99 | per month |
| Text to Speech Annual Premium | $49.99 | per year |


## Frequently asked questions

### Is NDS Instructor App free?

NDS Instructor App is free to download, with no in-app purchases.

### Is Text To Speech + ai free?

Text To Speech + ai is free to download, with in-app purchases available.

### Do NDS Instructor App or Text To Speech + ai have ads?

Neither NDS Instructor App nor Text To Speech + ai shows ads.

---

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