Whisper vs Sheaf
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Whisper
Convert spoken words into written text with advanced AI. Transcribe audio recordings, dictate in real-time, and easily edit and share your transcribed content. Boost productivity by saving time on manual transcription.
- Speech to text conversion
- Transcribe audio recordings
- Real-time dictation
- Edit and share text
- AI-powered accuracy
- Whispered speech transcription
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A Speech to Text app is a useful tool that enables you to convert spoken words into written text, making it easier to transcribe voice recordings. With advancements in open AI technology, such apps have become more accurate and efficient, enabling them to transcribe even whispered speech with ease. One of the main advantages of a Speech to Text app is its ability to convert audio recordings into text. This is especially useful for journalists, researchers, and anyone who needs to create written records of meetings, interviews, or other events. The app works by using an audio converter to read the audio file and convert it into text, which can then be edited and shared as needed. In addition to converting voice recordings, a Speech to Text app can also be used for dictation, allowing you to speak directly into the app and have your words transcribed in real-time. This feature can be especially useful for individuals who struggle with writing, or for those who need to create text-based documents quickly and efficiently. Overall, a Speech to Text app is a valuable tool that can save time and improve productivity, making it easier to transcribe voice recordings and create written records of important events. With advancements in open AI technology, these apps are becoming more accurate and reliable, making them an essential tool for anyone who needs to work with audio recordings on a regular basis. --- Payment & Subscription Terms: -Select one of the following purchase options to start using premium features: - Auto-renewable subscription : 1 Week - Per Week ($4.99) - Auto-renewable subscription : 1 Year - Per Year ($29.99) - One-Time Purchase ($99.99) - Payment will be charged to your iTunes account at confirmation of purchase. - Subscriptions will automatically renew 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 before the end of the current period, and identify the cost of the renewal. - Your account will be following your plan, within 24 hours before the end of the current period. - You can manage or turn off auto-renew in your Apple ID account settings any time after purchase. - This price is for United States customers. Pricing in other countries may vary and actual charges may be converted to your local currency depending on the country of residence. Privacy Policy : https://revoo.studio/privacy-policy.htm Terms of Use : https://revoo.studio/terms-of-service.html
Sheaf
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Sheaf is a mobile-first app designed for reviewing business documents — contracts, NDAs, term sheets, policies — without uploading them to a third-party service. Open a Word or PDF on your iPhone or iPad, flag the clauses that matter with a long-press, and keep your work on your device wherever you happen to be reviewing it. A 7-day free trial lets you test the full app before committing to a subscription. MOBILE-FIRST, NOT MOBILE-PORTED Sheaf is designed around how a phone actually gets used — short windows, scrolling with a thumb, and very little typing. The capture flow is deliberately minimal: one field for your flag note, and you're done. Add a voice memo, a photo, or more detail later if you want. • Long-press a clause to capture a flag. For Word documents, the selection snaps to the whole paragraph automatically — no precision dragging on a phone. • Four flag kinds — Issue, Risk, Question, Note — to triage clauses at a glance. • Voice memos and photos can attach to any flag — useful when typing on a phone is the wrong tool. • Group documents by Matter to keep clients and projects separated. • Cross-document search across every file in your library. • Annotated PDF export for hand-off. Portable JSON flag export for sharing your review with a colleague who also runs Sheaf. YOUR DATA STAYS YOURS UNTIL YOU SHARE IT Sheaf does not have a server. There is no Sheaf account to sign up for, no Sheaf cloud to upload to, no analytics pipeline, and no third-party SDKs phoning home. Your documents, your flags, your voice memos, and your photos live only on your device. • The local database and document store are protected with iOS data-protection class Complete — encrypted at rest, inaccessible while the device is locked. • Face ID / Touch ID app lock is built in. • The original Word or PDF file is never modified. Annotations live in a separate on-device store; the file you imported is byte-identical to the file you can hand back. • The only way your work leaves the iPhone is when YOU tap Share, AirDrop, or Mail. You stay in control of every byte. • No advertising, no ad SDKs, no data-broker pipelines. Sheaf is paid for by its subscribers, not by selling your reading. FOR Attorneys reviewing privileged contracts on the train. In-house counsel who need to skim an NDA between meetings. Founders reviewing term sheets they'd rather not paste into a chat tool. Procurement, HR, compliance, and finance professionals who handle documents that shouldn't leave the device. If you need a multi-user comment thread synced through a vendor, Sheaf isn't that. If you need to review a business document on a phone without trusting a cloud, Sheaf is exactly that. — SHEAF SUBSCRIPTION A Sheaf subscription is required to use the app. Start with a 7-day free trial — full feature set, no commitment. After the trial, continue with one of two plans: • Sheaf Pro Monthly — $9.99 per month • Sheaf Pro Annual — $79.99 per year (about 33% off monthly) Payment will be charged to your Apple ID account at confirmation of purchase. Your subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period, at the price of the selected plan. You can manage your subscription and turn off auto-renewal in your Apple ID Account Settings after purchase. Any unused portion of the free trial is forfeited when you purchase a subscription. Terms of Use: https://www.linclaw-labs.com/legal/terms Privacy Policy: https://www.linclaw-labs.com/legal/sheaf-privacy
Screenshots
Verdict
Whisper and Sheaf are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Whisper sells 5 in-app purchases, starting at $9.99 per 7 days and Sheaf sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Whisper | Sheaf |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (411 ratings) — better | — |
| Positive reviews | 34.9% of reviews | — |
| Number of ratings | 411 — better | — |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 63 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Revoo Teknoloji Limited Sirketi | Linclaw Consulting AB |
Bugs and requests
Whisper
Reported bugs
16 issues- File import error (widespread and unresolved)
- AsyncHTTPClient.HTTPClientError
- Soto core response errors
- App hangs during processing
- Processing instance disappears when switching features
Show 11 moreShow fewer
- Cannot delete records despite delete button
- Email feedback function non-functional
- App force quits during transcription
- Cannot import voice memo files
- YouTube video transcription non-functional
- Personal library video transcription fails
- App stuck in processing loop
- Low internet connection error despite good connection
- Recording doesn't work with phone locked
- Transcription output in wrong language
- Cannot access app after first use without subscription
Requested features
8 requests- Batch processing for multiple files
- Hotkey support for use in other applications
- iCloud sync across devices
- Free trial or freemium model
- Better language support for Farsi/Persian/Arabic
Show 3 moreShow fewer
- Ability to delete recordings
- Preview before purchase
- In-app FAQ and help documentation
Sheaf
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Whisper
- Weekly Premium Membership$9.997 Days
- Monthly Subscription$19.991 Month
- Yearly Premium Membership$89.991 Year
- Offer for Lifetime Premium$99.99
- Lifetime Premium Membership$189.00
Sheaf
- Sheaf Pro (Monthly)7 Days trial$9.991 Month
- Sheaf Pro Annual7 Days trial$79.991 Year









