# ButterDocs vs Memory Lake

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.

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.

## The numbers

| Metric | ButterDocs | Memory Lake |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/butterdocs/id6448757725/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 64 MB | 63 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Arc Studio Labs, Inc.](https://appshunter.io/developer/1656256390) | [VICTOR CHIKHACHEV](https://appshunter.io/developer/1867824781) |

## What reviewers say

### ButterDocs

[App page](https://appshunter.io/ios/app/butterdocs/id6448757725)

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.

**Highlights:** Idea development, Work structuring, Distraction-free writing, Frictionless collaboration, AI assistance option

**In-app purchases:** none


### Memory Lake

[App page](https://appshunter.io/ios/app/memory-lake/id6757609186)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Essential | $4.99 | per month |
| Max | $7.99 | per month |


## Frequently asked questions

### Is ButterDocs free?

ButterDocs is free to download, with no in-app purchases.

### Is Memory Lake free?

Memory Lake is free to download, with in-app purchases available.

### Do ButterDocs or Memory Lake have ads?

Neither ButterDocs nor Memory Lake shows ads.

### Which is updated more often, ButterDocs or Memory Lake?

ButterDocs ships an update every 3 months, and Memory Lake every 2 weeks. Most recently, ButterDocs was updated on August 17, 2026 and Memory Lake on September 19, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*