Hear Boost vs Batch Proof
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hear Boost
This app converts spoken words into text in real-time, aiding individuals with hearing impairments. It supports over 40 languages and offers adjustable font sizes for better readability. A subscription unlocks full features.
- Live speech transcription
- Supports 40+ languages
- Adjustable font size
- Monthly subscription option
- Yearly subscription option
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Hearing boost app provides you the way to transcribe speech to text to help deaf people to know what other people say. You have to choose from one of the 40+ languages and just start listening. There's also a possibility to enlarge the font for people with poor eyesight. About Subscription The app contains monthly subscription at price $4.99/month. Yearly subscription at price $19.99. • Payment will be charged to iTunes Account at confirmation of purchase • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period • The account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase Terms of Use: https://sites.google.com/view/iriskinx/terms-of-use Privacy Policy: https://sites.google.com/view/iriskinx/privacy-policy
Batch Proof
Verify certificates of analysis by scanning QR codes or entering identifiers. Access reports, store them privately, compare details, and find related research. Links to original lab sources are provided.
- Source-first certificate verification
- QR code scanning
- Manual code entry
- Private on-device report storage
- Side-by-side report comparison
- PubMed research integration
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Batch Proof helps users locate and review certificates of analysis using publicly available information from issuing laboratories. Scan a QR code or enter a certificate identifier to find an available report. Save reports privately on your device, organize them into folders, compare available report details, and explore related research from PubMed. Features include: • Source-first certificate verification • QR code scanning and manual code entry • Private, on-device report storage • Side-by-side report comparison • Optional certificate reminders • Relevance-ranked PubMed research • Links to original laboratory sources Supported laboratories and available report details may vary. Batch Proof does not independently test products or guarantee their authenticity, quality, efficacy, or safety. The app does not provide medical advice. Always consult the original laboratory certificate and an appropriately qualified professional when necessary. App Terms of Use: https://batch-proof-api.onrender.com/terms Privacy Policy: https://batch-proof-api.onrender.com/privacy Apple Standard End User License Agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is review sentiment: Batch Proof at 100% against Hear Boost's 56%. Batch Proof also leads on rating (5.0 vs 4.0) and ads (none vs shown). Hear Boost's advantage is ratings volume (34 vs 4). On price, in-app purchases, monetization model 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. Hear Boost sells 3 in-app purchases, starting at $6.99 per month and Batch Proof sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
Batch Proof holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Hear Boost has 34 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 56% of Hear Boost's written reviews are positive against 100% of Batch Proof's.
Hear Boost ships an update every 19 months, Batch Proof daily. The most recent releases landed on November 12, 2026 and October 31, 2026 respectively.
| Parameter | Hear Boost | Batch Proof |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (34 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 55.6% of reviews | 100.0% of reviews — better |
| Number of ratings | 34 — better | 4 |
| Update frequency | Every 19 months | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 130 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Irina Metelkina | Dominic Anella |
Customer experience
Hear Boost
Batch Proof
In-app purchases
Hear Boost
- Monthly subscription3 Days trial$6.991 Month
- Yearly Subscription$9.991 Year
- Yearly subscription$24.991 Year
Batch Proof
- Batch Proof Pro Monthly$3.991 Month
- Batch Proof Pro Annual$34.991 Year
