KRed Reader vs MP3 Converter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KRed Reader
This app offers a minimalist and distraction-free reading experience for various e-book formats, including novels, comics, and academic papers. It features customizable layouts, text-to-speech functionality, and multiple import options for easy library management.
- Supports EPUB, PDF, MOBI, AZW3, TXT, CBZ, CBR
- Distraction-free minimalist interface
- Customizable fonts, spacing, and night mode
- Text-to-Speech (TTS) for TXT files
- WiFi, Web, and Photo-to-Book import options
- Smart bookshelf with auto-categorization
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KRed Reader: Minimalist Design · Full Format Support · Your Portable Library -Supports All Major E-Book Formats KRed Reader supports EPUB, PDF, MOBI, AZW3, TXT, CBZ, CBR, and other popular e-book formats. Whether you're reading novels, comics, academic papers, or scanned documents, everything displays smoothly! No complicated conversions needed—just import with one tap and enjoy an immersive reading experience. - Distraction-Free Reading Minimalist Interface: No ads, no bloat—just pure content. Customizable Layout: Adjust fonts, text size, spacing, and background color. Night mode protects your eyes. Smart Bookshelf: Auto-categorizes books with tag support for quick access. - Powerful Tools for Efficient Reading Text-to-Speech (TTS): Listen to TXT books on the go—perfect for commutes. Perfect for Every Scenario Students: Annotate PDF textbooks and research papers with ease. Fiction Lovers: EPUB text ensures comfortable long reading sessions. Comic Fans: Smooth zooming and flipping for PDF comics. - Multiple Import Options, Fast & Easy WiFi Transfer: Wirelessly send books from your computer or NAS—no cables needed. Batch Upload: Quickly import large files for better library management. Web Download: Directly download PDF, TXT, EPUB resources and import them instantly. Photo-to-Book: Combine multiple photos into a book and flip through them like pages. QR Code Sharing: Share books with one scan. Privacy Policy:https://privacy.kingjetapps.com/privacy/reader/ios_privacy_reader.html Terms of Service: https://privacy.kingjetapps.com/privacy/reader/ios_term_reader.html Contact Us: For feedback or support, email support@kingjetapps.com.
MP3 Converter
This app is a comprehensive audio editing tool that allows for easy conversion between various audio formats, extraction of audio from videos, and precise trimming of music for ringtones. It offers batch processing and speed adjustment for efficient audio manipulation.
- Convert between 18 audio formats
- Extract audio from videos
- Millisecond-accurate audio trimming
- Batch audio processing
- Adjust export playback speed
- Import from multiple sources
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Your all‑in‑one audio toolbox Effortlessly handle audio conversion, video‑to‑audio extraction, and ringtone creation. Whether it’s MP4 to MP3 or trimming music, enjoy a clean, efficient workflow. Core features at a glance: Format Conversion (Core): Convert freely across 18 popular formats, including MP3, M4A, WAV, and FLAC—no limits. Video Extraction: Pull audio from videos and quickly turn MP4 into MP3 or other formats. Audio Trimming: Millisecond‑accurate cuts; drag to select segments and create custom ringtones or music clips. Batch Processing: Batch import, convert, and export to supercharge efficiency. Speed Export: Adjust playback speed from 0.5x to 2x on export. Multiple Import Sources: Import from Photos, Files, iCloud Drive, and more. Why choose us? Radical simplicity, built for efficiency 100% on‑device processing for privacy and speed Easy library management with “Recent Works” for quick re‑edit and share We’re committed to being your most reliable audio assistant, with continuous updates and powerful new features. Privacy Policy: https://imailu.notion.site/audio-converter-privacy-policy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula
Screenshots
Verdict
The clearest difference is in-app purchases: KRed Reader at none against MP3 Converter's 3. KRed Reader also leads on ratings volume (46 vs 1) and iOS requirement (14.0 vs 17). MP3 Converter's advantage is update cadence (weekly vs monthly). On price, rating, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. MP3 Converter sells 3 in-app purchases, starting at $0.99 per month. KRed Reader asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.9 for KRed Reader against 5.0 for MP3 Converter. That said, the two scores are not equally well evidenced: KRed Reader has 46 ratings behind it against 1, so its average is the more settled of the two.
KRed Reader ships an update monthly, MP3 Converter weekly. The most recent releases landed on September 25, 2026 and September 9, 2026 respectively.
| Parameter | KRed Reader | MP3 Converter |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (46 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 90.9% of reviews | — |
| Number of ratings | 46 — better | 1 |
| Update frequency | Monthly | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 17 |
| Further details — not scored | ||
| Size | 57 MB | 47 MB |
| Age rating | 17+ | 4+ |
| Developer | Kingjet Network Co., Ltd. | 应芳 卢 |
Customer experience
KRed Reader
MP3 Converter
In-app purchases
KRed Reader
No in-app purchases
MP3 Converter
- Monthly$0.991 Month
- Annual$2.991 Year
- Lifetime$9.99









