Hypothesis vs The Memory Book
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hypothesis
This app presents a new question daily, allowing users to anonymously share their opinions. Users can track how their viewpoints evolve over time and compare their thoughts to the majority.
- Daily new questions
- Anonymous opinion sharing
- Track opinion changes
- Compare with masses
- Quick and easy to use
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Ask a question. See how differently people answer it. "Is a hotdog a sandwich?" 62% said yes. Among people under 25, only 38% did. That second line is what Hypothesis is for. HOW IT WORKS 1. Ask something. A yes/no question, a multiple choice, or a rating out of five. 2. Share it. Post it to the feed, send someone a link, or invite a specific group. 3. Everyone who answers sees the results. The results show the totals first. Open the breakdown underneath and you can see how the answers differed by age group, by gender, and by country. WHY THESE NUMBERS ARE WORTH READING Most online polls are easy to skew. These are harder. You answer once, and you cannot change it afterwards. There are no take-backs and no second votes, which is the whole reason the totals mean anything. Your individual answer is never shown to anyone. Not to the person who asked, not to other people answering, not anywhere in the app. Only grouped totals are ever published. A group only appears once at least 25 people are in it. If four people from one country answered, that country is not shown at all — not as a small number, not as zero, it simply is not there. You will sometimes see a breakdown with a row missing, and that is why. Your profile is optional, all of it. Skip it and your answers still count in every total. They just will not appear in any of the group breakdowns. ASKING A SMALLER GROUP Not every question belongs in public. PUBLIC — anyone can find it in the feed and answer it. LINK ONLY — it never appears in the feed. Only people you send the link to can answer, and they can pass it on. INVITE ONLY — only people who open your invite can answer. You can revoke the invite later, and remove people who already joined. YOU DO NOT NEED AN ACCOUNT TO ANSWER Browsing and answering need no sign-up at all. You only create an account when you want to publish a question of your own — so that people can see who asked it, and so we can act on reports. Ask something you have genuinely wondered about!
The Memory Book
Easily capture and preserve family stories and memories through voice recordings. The app offers gentle prompts to guide storytelling and automatically transcribes audio to text. Create a lasting legacy by compiling these memories into a private, personal PDF or printed book.
- Voice recording of memories
- Automatic transcription to text
- Gentle storytelling prompts
- PDF and printed book creation
- Private and secure family archive
- Simple, user-friendly interface
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Memory Book — your family archive, easy to start and built to last. Every memory begins with your voice. One tap — and the story comes alive. Why it matters: Preserve the voices and stories of loved ones — for yourself, your children, and grandchildren. Record memories with a single tap — no complications. Gentle prompts help you share important moments with ease. Automatic transcription turns your voice into clear, accurate text. Collect everything into a PDF or printed book — to gift and to keep. Private and personal: no social media, only your family’s trust. What makes Memory Book truly valuable: Simple — even if you’re not used to technology. Warm — the tone and design feel personal and familiar. Lasting — a real book you can hold and pass down for generations. Memory Book is not just an app. It is your family. Your voices. Your legacy. The gift that remains when time has passed. Download Memory Book today and begin your family archive — easy, personal, and secure. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Hypothesis at none against The Memory Book's 2. On price, update cadence, ads 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. The Memory Book sells 2 in-app purchases, starting at $4.99 per month. Hypothesis asks for nothing beyond the download.
Hypothesis ships an update every 2 weeks, The Memory Book every 3 weeks. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.
| Parameter | Hypothesis | The Memory Book |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 weeks — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 56 MB | 77 MB |
| Age rating | 4+ | 17+ |
| Developer | van squared | Sergey Guzev |
Customer experience
Hypothesis
The Memory Book
In-app purchases
Hypothesis
No in-app purchases
The Memory Book
- Start Plan$4.991 Month
- Lifetime Plan$149.00
Questions
Is Hypothesis free?
Is The Memory Book free?
Do Hypothesis or The Memory Book have ads?
Which is updated more often, Hypothesis or The Memory Book?
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