# OLZO vs Text to Speech

The clearest difference is device support: Text to Speech at 4 against OLZO's 2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. OLZO sells 2 one-off in-app purchases and Text to Speech sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

OLZO ships an update fortnightly, Text to Speech every 2 weeks. Both last shipped on November 14, 2026.

## The numbers

| Metric | OLZO | Text to Speech |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 117 MB | 66 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [SHAOJIN TECHNOLOGY LIMITED](https://appshunter.io/developer/1773727685) | [DEVSRANK](https://appshunter.io/developer/1716669578) |

## What reviewers say

### OLZO

[App page](https://appshunter.io/ios/app/olzo/id6736897426)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1200 Mins Transcription | $12.99 | one-time |
| 6000 Mins Transcription | $39.99 | one-time |


### Text to Speech

[App page](https://appshunter.io/ios/app/text-to-speech-narrova/id6755509921)

This app converts written text into natural-sounding audio using AI voices. Listen to documents, books, or scanned pages hands-free, supporting multiple languages and offering custom playback controls.

**Highlights:** Text to Speech Converter, PDF Reader with Voice, Scan to Read, AI Voice Technology, Multilingual Support, Custom Playback Controls

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HearText Weekly | $2.99 | per 7 days |
| HearText Yearly Disc | $7.99 | per year |
| HearText Yearly | $14.99 | per year |


## Frequently asked questions

### Is OLZO free?

OLZO is free to download, with in-app purchases available.

### Is Text to Speech free?

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

### Do OLZO or Text to Speech have ads?

Neither OLZO nor Text to Speech shows ads.

### Which is updated more often, OLZO or Text to Speech?

OLZO ships an update fortnightly, and Text to Speech every 2 weeks. Most recently, OLZO was updated on November 14, 2026 and Text to Speech on November 14, 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.*