# Koto AI Reader vs Invoice Maker

The clearest difference is in-app purchases: Invoice Maker at none against Koto AI Reader's 8. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Koto AI Reader sells 8 in-app purchases, starting at $6.99 per 7 days. Invoice Maker asks for nothing beyond the download.

## The numbers

| Metric | Koto AI Reader | Invoice Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (154 ratings)](https://appshunter.io/ios/app/koto-ai-reader-text-to-speech/id6483365052/reviews)** | — |
| Number of ratings | **154** | — |
| Positive reviews | 33.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 43 MB | 39 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Elve Tech](https://appshunter.io/developer/1736415745) | [dopweb inc](https://appshunter.io/developer/1716534041) |

## What reviewers say

### Koto AI Reader

[App page](https://appshunter.io/ios/app/koto-ai-reader-text-to-speech/id6483365052)

Transform any text into lifelike, natural-sounding speech instantly. This app converts PDFs, documents, web content, and even photos of text into audio. Optimize your learning, multitask, and make content accessible on the go with high-quality voice generation in over 50 languages.

**Highlights:** AI voice generation, Convert PDFs and documents to audio, Read aloud web content, Photo to audio conversion, Supports over 50 languages, Natural-sounding voices

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $6.99 | per 7 days |
| Full Access | $14.99 | per month |
| Full Access | $14.99 | per month |
| Full Access | $14.99 | per month |
| Full Access | $49.99 | per 3 months |
| Full Access | $59.99 | per year |
| Full Access | $59.99 | per year |
| Full Access | $99.99 | per year |

**What reviewers like**

- ✨ Brilliant app
- 🎶 Amazing music generation
- 🎤 Generates songs and sings
- 👍 Easy to use
- 💡 Revolutionary app

**What reviewers complain about**

- 💸 Too expensive
- ⏳ Insanely long waiting times
- 📉 Usage throttled
- ❌ Not working
- 🚫 No free trial

**Reported bugs**

- App just buffering
- Saved library deleted
- Only 1/3 of voices remain
- Can't generate anything
- Not responding

**Requested features**

- Add option to edit lyrics
- Preserve voice and music when editing
- Option to reuse specific tunes
- Allow choosing a melody
- Accompaniment without voice


### Invoice Maker

[App page](https://appshunter.io/ios/app/invoice-maker/id6740488715)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Koto AI Reader free?

Koto AI Reader is free to download, with in-app purchases available.

### Is Invoice Maker free?

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

### Do Koto AI Reader or Invoice Maker have ads?

Neither Koto AI Reader nor Invoice Maker shows ads.

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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.*