---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Voiser: AI Audiobook & eBook"
developer_entity: "Voiser Teknoloji Limited Sirketi"
bundle_id: "ai.voiser.bookreader"
app_store_id: "6759369309"
category: "Book"
primary_platform: "ios"
primary_monetization: "Freemium"
offline_capable: false
market_region: "US"
platforms: "iOS & Android"
app_last_updated: "2026-08-06"
report_date: "2026-08-27"
last_verified: "2026-08-27T00:00:00.000Z"
report_version: "1.1.3"
total_reviews: 0
sentiment: "Upset"
sentiment_score: 10
confidence: "medium"
confidence_score: 0.5
top_complaint_theme: "Users report the app is a scam following the latest update, indicating deep distrust"
review_sample_size: 2
total_review_count: 2
analyzed_review_count: 2
data_age_days: 42
momentum_velocity: "steady"
intelligence_version: 3
tags: ["book", "freemium", "upset sentiment", "mobile app", "app review", "app analysis", "students,", "professionals,", "content"]
canonical_url: "https://marlvel.ai/apps/voiser-ai-audiobook-ebook"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Voiser: AI Audiobook & eBook Intelligence Report

## TL;DR {#tldr}

- **Category**: Book · Freemium
- **Signal**: Sentiment Upset
- **Recent focus**: Users report the app is a scam following the latest update, indicating deep distrust (top complaint)

> **TL;DR:** Voiser: AI Audiobook & eBook is a book app by Voiser Teknoloji Limited Sirketi, with Upset user sentiment (10/100), available on iOS & Android.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Voiser: AI Audiobook & eBook is a book app by Voiser Teknoloji Limited Sirketi.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **User Mood** | Upset |
| **Category** | Book |
| **Developer** | Voiser Teknoloji Limited Sirketi |
| **Pricing** | Freemium |
| **Platforms** | iOS & Android |
| **Confidence** | Medium (0.5/1.0) |
| **Data Age** | 42d |

## Metadata & Market Performance
- **Publisher:** Voiser Teknoloji Limited Sirketi
- **Category:** Book
- **Target Audience:** Students, professionals, and content creators who require flexible tools for reading, listening, and document transcription.
- **Platforms:** iOS & Android
- **Version Reviewed:** 1.1.3
- **Report Date:** 2026-08-27
- **Signal Count:** 2 reviews analyzed
- **Confidence:** Medium (0.5/1.0)
- **App Store ID (iOS):** 6759369309
- **Bundle ID:** ai.voiser.bookreader
- **Google Play ID:** ai.voiser.bookreader
- **Performance Trend:** Mixed
- **Data Window:** Analysis based on signals collected up to 2026-08-27

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Voiser is an AI-powered audiobook and eBook reader for students and professionals that converts documents into audio on iOS and Android.
**Why users hire it:** The app removes the friction of manual reading by providing AI-generated summaries and instant audio conversion for personal document libraries.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Differentiator] AI Audiobook Summaries:** Generates 3-minute, 15-minute, or extended summaries of books using AI.
  * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior.
- **[Differentiator] EPUB-to-Audio Conversion:** Converts imported EPUB files into audiobooks using AI narration.
  * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior.
<!-- /section:features -->

<!-- section:market-position -->
## Market Position {#market-position}

Voiser operates in the Book category, utilizing a freemium model to capture users seeking AI-driven document synthesis. The lack of a established chart rank suggests the app is currently in an early-growth phase, relying on feature-set expansion to build a user base.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Freemium
- **Tiers:** Free tier includes 5,000 characters for voiceover, 15 minutes of transcription, and 1 AI video generation.
- **Analysis:** Usage-based caps on AI generation drive conversion to tiered subscription plans.

<!-- section:sentiment -->
## 🔴 User Sentiment (Medium Confidence: 2 of 2 reviews analyzed) {#user-sentiment}
- **Overall Sentiment:** Upset

### Top Complaints (Impact Areas)

- **Users report the app is a scam following the latest update, indicating deep distrust**

<!-- /section:sentiment -->
<!-- section:swot -->
## SWOT Analysis {#swot}

**Core Strengths:**
- AI-generated summaries provide a differentiated value layer over standard e-readers.

**Growth Levers:**
- Native cloud-sync would resolve friction for users switching between reading and listening.


<!-- /section:swot -->
## Recent Changes (v2 → v3) {#recent-changes}

The intelligence report reflects a strategic pivot toward trust-restoration and core utility improvements, moving away from a purely feature-led growth narrative. The outlook has shifted to mixed as the developer acknowledges that brand-trust barriers now outweigh the utility of recent file-format updates.

**Overall trend**: Mixed
**Compared at**: 2026-08-27

### High-impact changes
- **[Added] Cloud-sync Opportunity** (swot)
- **[Shifted] PM Action Priority** (positioning)

### Medium-impact changes
- **[Added] Freemium Constraint** (swot)
- **[Shifted] Outlook Trend** (positioning)

<!-- section:whats-new -->
## What's New

- **Latest (v1.0.3, 1 months ago):** Added full-text search for EPUBs, an auto book finder for web titles, and expanded support for PDF and TXT files.
<!-- /section:whats-new -->

<!-- section:momentum -->
## App Momentum (Steady) {#momentum}

- Shipped full-text EPUB search.
- Added PDF and TXT support.
- Maintains monthly update cadence.

> **Cadence:** 2 total versions · 2 majors in last 6 months · 21 days since last update · 13 days avg between updates

<!-- /section:momentum -->

<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

Voiser: AI Audiobook & eBook is a book app that is free with in-app purchases.

<!-- speakable-start -->
> **Bottom Line:** Voiser must address the trust-related complaints surfacing in the latest update to prevent long-term brand damage. Prioritizing transparency in the monetization flow will unlock the conversion potential of the existing AI-summary feature set.
<!-- speakable-end -->

**Best for:** Students, professionals, and content creators who require flexible tools for reading, listening, and document transcription.

<!-- section:pm-actions -->
### PM Action Plan (Next Best Moves)

- [ ] [PIVOT] Audit the in-app purchase flow because reviews report fraudulent behavior following the latest update → restore user trust
<!-- /section:pm-actions -->

<!-- section:outlook -->
### Outlook: Mixed

The market for AI-assisted reading is consolidating around tools that offer seamless cross-platform sync and high-fidelity voice synthesis. Voiser's current trajectory is mixed: while the development team maintains a consistent release cadence, the emergence of trust-related complaints in the latest review sample threatens to compress the conversion funnel before the app achieves scale.

- 🟢 The latest update added PDF and TXT support, which expands the addressable content library for professional users.
- 🔴 Users report: Accusations of fraudulent behavior in recent reviews indicate a breakdown in user trust that threatens the entire acquisition funnel.
<!-- /section:outlook -->

<!-- /section:so-what -->

<!-- section:metrics -->
## Key Metrics Summary

| Metric | Value |
| :--- | :--- |
| Total Reviews | 0 |
| Sentiment | Upset (10/100) |
| Confidence | Medium |
| Pricing Model | Freemium |
| Platforms | iOS & Android |
| Key Features | 2 analyzed |
| Trend | Mixed |
| Outlook | Mixed |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Voiser: AI Audiobook & eBook** (this app) | N/A/5 | Upset | Voiser Teknoloji Limited Sirketi |
| [[박한평 문장집] 필사, 마음건강, 동기부여, 명언](https://marlvel.ai/apps/sproutgrowlabs-hanpyeong-free) | N/A/5 | N/A | SPROUTGROWLABS |
| [옛글들 - 소설, 수필, 시](https://marlvel.ai/apps/app--383) | N/A/5 | N/A | kim juyoung |
| [박한평 문장집 : 필사, 마음건강, 동기부여, 명언](https://marlvel.ai/apps/com-sproutgrowlabs-hanpyeong) | N/A/5 | N/A | SPROUTGROWLABS |
| [두란노 비전통독](https://marlvel.ai/apps/app--969) | 3.3/5 | N/A | Duranno |
| [스마트 성경과찬송가 - 피아노반주, 개역개정,새번역](https://marlvel.ai/apps/app--191) | 4.3/5 | N/A | Eugene Song |

## Company Profile
- **Developer:** Voiser Teknoloji Limited Sirketi
- **Website:** [https://voiser.ai/](https://voiser.ai/)
- **Social:** [Instagram](https://www.instagram.com/voiser.ai) · [Facebook](https://www.facebook.com/voiserai) · [X/Twitter](https://twitter.com/voiser_ai) · [YouTube](https://www.youtube.com/watch) · [LinkedIn](https://www.linkedin.com/company/voiser) · [Discord](https://discord.com/invite/QNMkDsdR8G)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/voiser-ai-audiobook-ebook/id6759369309?uo=4)
- **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=ai.voiser.bookreader&hl=en&gl=us)
- **Dev Site:** [Official Website](https://voiser.ai/)
- **Sources:** Developer website content, About us / company information, App store metadata, User reviews.

## Related Intel Reports
- [*[박한평 문장집] 필사, 마음건강, 동기부여, 명언*](https://marlvel.ai/apps/sproutgrowlabs-hanpyeong-free) (SPROUTGROWLABS) · N/A Rating
- [*옛글들 - 소설, 수필, 시*](https://marlvel.ai/apps/app--383) (kim juyoung) · N/A Rating
- [*박한평 문장집 : 필사, 마음건강, 동기부여, 명언*](https://marlvel.ai/apps/com-sproutgrowlabs-hanpyeong) (SPROUTGROWLABS) · N/A Rating
- [*두란노 비전통독*](https://marlvel.ai/apps/app--969) (Duranno) · 3.3/5 Rating
- [*스마트 성경과찬송가 - 피아노반주, 개역개정,새번역*](https://marlvel.ai/apps/app--191) (Eugene Song) · 4.3/5 Rating
- [*두플러스*](https://marlvel.ai/apps/app--972) (Duranno) · 4.8/5 Rating
- [*생명의삶 정식버전*](https://marlvel.ai/apps/app--968) (Duranno) · 3.1/5 Rating
- [*대한성서공회 연구성경*](https://marlvel.ai/apps/app--566) (Korean Bible Society) · 2.8/5 Rating
- [*リビングバイブル*](https://marlvel.ai/apps/biblica-japanese) (Biblica) · 5.0/5 Rating
- [*ジャンプルーキー！*](https://marlvel.ai/apps/com-shonenjump-rookie) (SHUEISHA Inc.) · 3.9/5 Rating

## Frequently Asked Questions {#faq}

### Is Voiser free to use?

Voiser uses a freemium model. The free tier includes 5,000 characters for voiceover, 15 minutes of transcription, and 1 AI video generation. Advanced usage requires a paid subscription.

### Does Voiser support PDF files?

Yes, the latest update added support for PDF and TXT files, allowing users to import and listen to these documents directly within the app.

### Is Voiser safe to use?

Some recent user reviews have raised concerns regarding the app's billing and behavior following the latest update. Users should review the terms of use and monitor their account activity.

## Methodology {#methodology}

This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline:

1. **Signal Collection & Normalization** - Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps.
2. **Feature & Market Positioning Analysis** - Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks.
3. **User Sentiment Analysis** - Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction into synthesised themes (no verbatim quotes).
4. **Competitive Landscape Analysis** - Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category.
5. **Intelligence Synthesis** - Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights.

- **Confidence Score:** 0.5/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 2
- **Data Sources:** user reviews, developer website, company about page, App Store metadata
- **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform
- **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence.
- **Report Age:** 42 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/voiser-ai-audiobook-ebook)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.