Audio Converter vs Signature Creator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Audio Converter
Easily extract audio from videos, convert between various formats, and perform advanced audio editing tasks like trimming, merging, and noise reduction. Enhance your audio with effects and background music.
- Extract audio from videos
- Convert between audio formats (MP3, WAV, AAC, FLAC)
- Trim and merge audio clips
- Adjust volume and reduce noise
- Add background music
- Apply fade in/out effects
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Audio Converter is a powerful and easy-to-use tool for extracting, converting, and editing audio files. Whether you need to extract audio from a video, change formats, trim or merge clips, this app has you covered. [Key Features & Use Cases] Video to Audio: Extract audio from videos to save movie dialogues, music tracks, or background sounds for separate use or editing. Format Conversion: Convert between MP3, WAV, AAC, FLAC, and other formats to ensure compatibility with different devices and software. Extract Instrumental: Separate instrumental tracks from vocals, ideal for creating karaoke tracks or music remixes. Extract Vocals: Isolate vocals from audio files, perfect for podcasts, voiceovers, and transcription needs. Audio Trimming: Cut and trim audio clips precisely, useful for creating ringtones, extracting key segments, or shortening long recordings. Audio Merging: Seamlessly combine multiple audio files, suitable for making playlists, audiobooks, or custom music tracks. Volume Adjustment: Increase or decrease volume levels to match different playback environments and enhance listening experiences. Noise Reduction: Remove background noise for clearer sound quality, ideal for improving recordings and voice memos. Add Background Music: Mix background music into your audio files, perfect for video soundtracks, advertisements, and podcasts. Fade In & Fade Out: Apply smooth transitions with fade-in and fade-out effects for a more natural audio experience. With Audio Converter, you can process audio effortlessly, whether for everyday use or professional production. Download now and enjoy advanced audio editing features! [Auto-Renewal Terms] We offer auto-renewable subscription services for 1 week, 1 month, and 12 months. • Payment: Payment will be charged to your iTunes account after confirmation of purchase. • Renewal: Subscriptions with a free trial will automatically renew to a paid subscription after the trial ends. The payment will be deducted from your iTunes account 24 hours before the current subscription period ends. Renewal charges are based on the selected subscription plan. After successful payment, the subscription period will automatically extend for another cycle. • Cancel Renewal: To cancel renewal, please turn off the auto-renewal feature at least 24 hours before the current subscription period ends via your iTunes/Apple ID settings. After that, no renewal fees will be charged. User Agreement: http://oss.qingchengkeji.vip/h5/audioCut/user.html Privacy Policy: http://oss.qingchengkeji.vip/h5/audioCut/privacy.html Subscription Agreement: http://oss.qingchengkeji.vip/h5/audioCut/subscribe.html
Signature Creator
Easily add professional signatures and fill out PDF forms directly on your device. Capture your signature by drawing it or scanning a handwritten one. Signatures are securely backed up and synced across your devices.
- Fill PDF forms
- Add digital signatures
- Scan handwritten signatures
- Draw custom signatures
- Secure iCloud backup
- Export signatures to Photos
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SigPDF makes it easy to fill out and add professional signatures to documents. You can either scan a hand-drawn signature or draw a signature in the app. No sign-in is required. Fill out forms: Quickly fill out PDF forms with the built-in editor. Sign documents: Add your signature to documents, no printing required. Scan your signature: Snap a picture or choose from Photos. Draw your signature: You can adjust pen type, thickness and color. Signatures are backed up: Your signatures are backed up securely in your iCloud and synchronized across your devices. Export signatures: You can save signatures to Photos if you need to use them in a different app. If you have any suggestions on how to improve SigPDF, feel free to contact App Support. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula
Screenshots
Verdict
The clearest difference is rating: Audio Converter at 5.0 against Signature Creator's 4.5. Audio Converter also leads on iOS requirement (15.0 vs 17.6). Signature Creator's advantage is update cadence (weekly vs monthly) and ratings volume (21 vs 1). On price, ads, in-app purchases and monetization model 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. Audio Converter sells 4 in-app purchases, starting at $2.99 per 7 days and Signature Creator sells 2 in-app purchases, starting at $8.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Audio Converter holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Signature Creator has 21 ratings behind it against 1, so its average is the more settled of the two.
Audio Converter ships an update monthly, Signature Creator weekly. The most recent releases landed on September 17, 2026 and September 20, 2026 respectively.
| Parameter | Audio Converter | Signature Creator |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.5 (21 ratings) |
| Number of ratings | 1 | 21 — better |
| Update frequency | Monthly | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 60 MB | 13 MB |
| Age rating | 4+ | +4 |
| Developer | 珮辰 赵 | Havard Tryman |
Customer experience
Audio Converter
Signature Creator
In-app purchases
Audio Converter
- Weekly Subscription7 Days trial$2.997 Days
- Monthly Subscription$4.991 Month
- Annual Subscription$14.991 Year
- Permanent Member$24.99
Signature Creator
- Pro3 Days trial$8.997 Days
- Pro$24.991 Year
Questions
Is Audio Converter free?
Is Signature Creator free?
Which has better reviews, Audio Converter or Signature Creator?
Do Audio Converter or Signature Creator have ads?
Which is updated more often, Audio Converter or Signature Creator?
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