# Synthy vs KitPrep

The clearest difference is update cadence: KitPrep at fortnightly against Synthy's monthly. Synthy's advantage is iOS requirement (16.6 vs 26.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Synthy sells 7 in-app purchases, starting at $4.99 per 7 days and KitPrep sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Synthy ships an update monthly, KitPrep fortnightly. The most recent releases landed on September 29, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Synthy | KitPrep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (384 ratings)](https://appshunter.io/ios/app/synthy-read-aloud-doc-and-scan/id1579863833/reviews)** | — |
| Number of ratings | **384** | — |
| Positive reviews | 81.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 213 MB | 16 MB |
| Requires iOS | **16.6** | 26.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Dating onlain, ooo](https://appshunter.io/developer/1503663142) | [Robert Shaw](https://appshunter.io/developer/1891168415) |

## 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


### KitPrep

[App page](https://appshunter.io/ios/app/kitprep/id6768947027)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Annual | $49.99 | per year |


## Frequently asked questions

### Is Synthy free?

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

### Is KitPrep free?

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

### Do Synthy or KitPrep have ads?

Neither Synthy nor KitPrep shows ads.

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

Synthy ships an update monthly, and KitPrep fortnightly. Most recently, Synthy was updated on September 29, 2026 and KitPrep on September 23, 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.*