# Synthy vs SmartEco

The clearest difference is in-app purchases: SmartEco at none against Synthy's 7. SmartEco also leads on update cadence (every 10 days vs monthly) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Synthy sells 7 in-app purchases, starting at $4.99 per 7 days. SmartEco asks for nothing beyond the download.

Synthy ships an update monthly, SmartEco every 10 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Synthy | SmartEco |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (385 ratings)](https://appshunter.io/ios/app/synthy-read-aloud-doc-and-scan/id1579863833/reviews)** | — |
| Number of ratings | **385** | — |
| Positive reviews | 81.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 213 MB | 23 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dating onlain, ooo](https://appshunter.io/developer/1503663142) | [ISPATIAL TECHNO SOLUTIONS PRIVATE LIMITED](https://appshunter.io/developer/1120614244) |

## What reviewers say

### Synthy

[App page](https://appshunter.io/ios/app/synthy-read-aloud-doc-and-scan/id1579863833)

Transform documents, books, and web content into audio with advanced text-to-speech technology. Scan physical documents or import digital files and listen to them read aloud with natural-sounding AI voices. Adjust playback speed and enjoy background listening for a seamless audio experience.

**Highlights:** Scan and read documents, Text to speech with AI voices, Adjustable reading speed, Import files and web links, Background listening mode, Type and listen functionality

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Synthy Scan & Read Premium | $4.99 | per 7 days |
| Endless Listening with Synthy | $5.99 | per month |
| Endless Listening with Synthy | $9.99 | per month |
| Endless Listening with Synthy | $12.99 | per month |
| Three months | $34.99 | per 3 months |
| 6 month premium | $49.99 | per 6 months |
| Synthy Premium | $79.99 | per year |

**What reviewers like**

- 👍 Convenient text-to-speech
- 🚀 Efficient scanning and conversion
- 🔊 Natural-sounding voices
- 🔍 Versatile content support
- 🔧 Customizable reading experience

**What reviewers complain about**

- 🐛 Occasional crashes and freezes
- 💰 Subscription-based model
- 🔌 Inconsistent performance
- 📚 Limited free content access
- 🤖 Occasional mispronunciations

**Reported bugs**

- Scanning issues with page breaks
- Playback pauses at paragraph ends
- Inconsistent text recognition
- Subscription cancellation problems

**Requested features**

- Highlight and annotate text
- Background playback with screen lock
- More language and voice options
- Improved OCR accuracy
- Easier file management and organization


### SmartEco

[App page](https://appshunter.io/ios/app/smarteco/id6757154742)

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

**In-app purchases:** none


## Frequently asked questions

### Is Synthy free?

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

### Is SmartEco free?

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

### Do Synthy or SmartEco have ads?

Neither Synthy nor SmartEco shows ads.

### Which is updated more often, Synthy or SmartEco?

Synthy ships an update monthly, and SmartEco every 10 days. Most recently, Synthy was updated on October 30, 2026 and SmartEco on October 25, 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.*