The Audio Converter vs DuroMod
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The Audio Converter
Easily convert audio and video files to various audio formats like MP3, WAV, and AAC. Supports dozens of input formats and offers quick, battery-friendly cloud conversions, with an increasing number of local conversion options.
- Convert to MP3, WAV, M4A, AAC, FLAC, OGG, WMA, AIFF
- Supports dozens of input formats
- Fast cloud and local conversions
- In-app file browser
- Share files via AirDrop
- Secure cloud conversion process
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Quickly convert your audio or video files to nearly any audio format! 1. Select your input file 2. Choose your output format ( MP3, WAV, M4A, AAC etc. ) 3. Convert! It will only take a few seconds. 4. Save your file, or open it in your favorite app! Here are the video and audio output formats you can choose from: MP3, M4A, AAC, FLAC, OGG, WAV, WMA, AIFF You can convert from dozens of input formats, here are some of the most popular formats we support converting from: MOV, M4A, MP3, WMA, MP4, WAV, OGG, OPUS, AMR, AAC, WEBM, MID and many more! Save, Share or Listen to your converted audio files in your favorite apps immediately. You can even browse your previously converted files with our in-app file browser. After conversion, you can immediately AirDrop your files right to your Mac or another device. Conversions usually take less than 15 seconds! Conversion is done on a secure cloud server, which makes conversion easier, faster and much more battery-friendly. You must have an internet connection to use this app. Files are immediately deleted from the server after conversion. While the files are immediately deleted after conversion or cancellation, you should be aware that by using this app, you agree that your files will be sent over to internet from the app to the conversion server. We've also recently added support for local conversions for many popular conversion types. These conversions don't require a server, and are usually done almost instantly! We are continuing to add support for more local conversions with each update. This app includes an optional auto-renewable subscription (Premium Pass): Premium Pass beings with a free trial period, then an auto-renewable monthly subscription when trial ends. Payment will be charged to your Apple account at confirmation of purchase and will automatically renew (at the duration/price selected) unless auto-renew is turned off at least 24 hrs before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. Current subscription may not be cancelled during the active subscription period; however, you can manage your subscription and/or turn off auto-renewal by visiting your Apple Account Settings after purchase. Any unused portion of the free initial period will be forfeited when you purchase a subscription. Privacy Policy: https://float.support/the-audio-converter/privacy Terms of Use: https://float.support/the-audio-converter/terms
DuroMod
Convert durometer readings to elastic modulus for polymers. This tool supports all 12 durometer scales conforming to ASTM D2240-05, providing accurate material property data.
- Convert durometer readings to elastic modulus
- Supports all 12 durometer scales
- Conforms to ASTM D2240-05
- Based on linear elastic indentation mechanics
- Developed at Rheology Research Center
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Get Young's modulus from your durometer! Get more out of your polymer durometry. Use DuroMod to convert your durometer reading to the elastic modulus of the measured rubber or plastic. DuroMod works for the Shore scale and all 12 durometer scales that conform to ASTM D2240-05 or equivalent. DuroMod conversions were developed at the Rheology Research Center of the University of Wisconsin at Madison, and are based on linear elastic indentation mechanics.
Screenshots
Verdict
The clearest difference is review sentiment: DuroMod at 100% against The Audio Converter's 35%. DuroMod also leads on in-app purchases (none vs 6) and rating (5.0 vs 4.6). The Audio Converter's advantage is price (Free vs $4.99) and ratings volume (14K vs 1). On update cadence, 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
The Audio Converter is free to download; DuroMod costs $4.99 up front. The Audio Converter sells 6 in-app purchases, starting at $3.99 per month. DuroMod asks for nothing beyond the download.
DuroMod holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: The Audio Converter has 14K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 35% of The Audio Converter's written reviews are positive against 100% of DuroMod's.
The Audio Converter ships an update every 3 months, DuroMod every 6 months. The most recent releases landed on November 11, 2026 and November 2, 2026 respectively.
| Parameter | The Audio Converter | DuroMod |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 4.6 (14K ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 34.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 14K — better | 1 |
| Update frequency | Every 3 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 46 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | Float Tech, LLC | Peter Cerhan |
Customer experience
The Audio Converter
DuroMod
Bugs and requests
The Audio Converter
Reported bugs
3 issues- Conversion errors
- Inconsistent behavior with file sizes
- Login/subscription issues
Requested features
4 requests- Bulk file conversion
- Local file conversion (no uploads)
- More audio format support (e.g. OPUS)
- Volume/quality control for converted files
DuroMod
Not enough reviews yet to summarise bugs or requests.
In-app purchases
The Audio Converter
- Premium Pass7 Days trial$3.991 Month
- Premium Pass3 Days trial$3.991 Month
- Premium Pass3 Days trial$9.991 Year
- Lifetime Pass$12.99
- Lifetime Pass$29.99
- Lifetime Pass Promo$29.99
DuroMod
No in-app purchases
Questions
Is The Audio Converter free?
Is DuroMod free?
Which has better reviews, The Audio Converter or DuroMod?
Do The Audio Converter or DuroMod have ads?
Which is updated more often, The Audio Converter or DuroMod?
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