ButterDocs vs Memory Lake
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ButterDocs
This word processor helps you develop ideas, structure your work, and write without distraction. Collaborate seamlessly with others, with or without AI assistance, for ambitious writing projects.
- Idea development
- Work structuring
- Distraction-free writing
- Frictionless collaboration
- AI assistance option
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ButterDocs is the Google Docs Replacement for Ambitious Writing Are you writing with depth and consideration? ButterDocs is your word processor: Develop your ideas, structure your work, write without distraction and collaborate without friction—all in one harmonious app, with or without AI assistance.
Memory Lake
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Your private memory for everything you’re still thinking through. Thoughts rarely arrive as finished documents. They arrive as fragments: a note from a meeting, a quick line while walking, a detail that will matter later, a decision you need to remember, or a half-formed idea that does not have a home yet. Memory Lake lets you capture those fragments as records, keep the original source material intact, and return later to the full context. Capture a record. Grow a memory. Add what you know when it arrives. Memory Lake can place new material into an existing memory, create a new one, or help find where it belongs. Over time, related records become a structured memory that grows with every addition. Built around records, memories, templates, and versions. Records Every addition is preserved as raw source material. Your words are not overwritten. Memories Related records become living documents that grow over time. Templates Each memory follows writing and formatting rules that shape how new material is added. Use built-in templates or create your own. Versions Change direction without losing the path you came from. Edit, rewrite, restructure, move text, or return to an earlier version when needed. For the things that unfold over time. Use Memory Lake for product ideas, meeting decisions, research notes, personal journals, client context, strategy documents, health logs, bug investigations, learning notes, writing projects, and anything else that becomes clearer as more context arrives. Start with one fragment. Keep adding what matters. Return when the picture is clearer. Private, owned, and protected. Memory Lake protects local data with encrypted storage and supports encrypted cloud memories when encryption is enabled. Your source material remains yours, and we do not sell your data or share it for advertising. Privacy Policy: https://memorylake.app/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: ButterDocs at none against Memory Lake's 2. Memory Lake's advantage is update cadence (every 2 weeks vs every 3 months). On price, 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
Both are free to download. Memory Lake sells 2 in-app purchases, starting at $4.99 per month. ButterDocs asks for nothing beyond the download.
ButterDocs ships an update every 3 months, Memory Lake every 2 weeks. The most recent releases landed on August 17, 2026 and September 19, 2026 respectively.
| Parameter | ButterDocs | Memory Lake |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 15.0 — better |
| Further details — not scored | ||
| Size | 64 MB | 63 MB |
| Age rating | 4+ | 4+ |
| Developer | Arc Studio Labs, Inc. | VICTOR CHIKHACHEV |
In-app purchases
ButterDocs
No in-app purchases
Memory Lake
- Essential$4.991 Month
- Max$7.991 Month









