Comparison

MP3 Converter vs ChronoGraph

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Convert between 18 audio formats
  • Extract audio from videos
  • Millisecond-accurate audio trimming
  • Batch audio processing
  • Adjust export playback speed
  • Import from multiple sources
Features
Read full description

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

About

ChronoGraph

Features
Read full description

Privacy‑aware calendar activity exporter for iOS built with SwiftUI. ChronoGraph lets you select calendars & date ranges, apply privacy redaction levels, then export a high‑resolution, long (vertical) image of your recent schedule for sharing.

Screenshots

MP3 Converter4 screens
ChronoGraph3 screens

Verdict

The call

The clearest difference is in-app purchases: ChronoGraph at none against MP3 Converter's 3. On price, ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. MP3 Converter sells 3 in-app purchases, starting at $0.99 per month. ChronoGraph asks for nothing beyond the download.

Scorecard1 real difference · 8 level
MP3 Converter versus ChronoGraph: the parameters behind the verdict, then further details
ParameterMP3 ConverterChronoGraph
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyWeekly—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS1717
Further details — not scored
Size47 MB1 MB
Age rating4+4+
Developer应芳 卢世尧 张

In-app purchases

3 purchases

MP3 Converter

Subscriptions2
  • Monthly$0.991 Month
  • Annual$2.991 Year
One-time1
  • Lifetime$9.99
None

ChronoGraph

No in-app purchases

Questions

Is MP3 Converter free?
MP3 Converter is free to download, with in-app purchases available.
Is ChronoGraph free?
ChronoGraph is free to download, with no in-app purchases.
Do MP3 Converter or ChronoGraph have ads?
Neither MP3 Converter nor ChronoGraph shows ads.

Other comparisons