# Writing Challenge vs Lake Observer

The clearest difference is price: Lake Observer at Free against Writing Challenge's $2.99. Lake Observer also leads on iOS requirement (15.6 vs 17.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Lake Observer is free to download; Writing Challenge costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Writing Challenge ships an update every 6 weeks, Lake Observer every 2 months. The most recent releases landed on October 18, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Writing Challenge | Lake Observer |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.4 (59 ratings)](https://appshunter.io/ios/app/writing-challenge/id648978819/reviews)** | — |
| Number of ratings | **59** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 42 MB | 57 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Bartolome Masco Lopez](https://appshunter.io/developer/529876350) | [Cary Institute of Ecosystem Studies, Inc.](https://appshunter.io/developer/1191994757) |

## What reviewers say

### Writing Challenge

[App page](https://appshunter.io/ios/app/writing-challenge/id648978819)

Overcome writer's block with creative story prompts. Generate new ideas, embrace freewriting, and build a consistent writing habit. Perfect for aspiring authors and creative individuals seeking inspiration.

**Highlights:** Tap for new story prompts, Customizable prompt settings, Daily writing challenges, Home screen widgets for challenges, Share challenges with others, Freewriting exercises

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

**In-app purchases:** none


### Lake Observer

[App page](https://appshunter.io/ios/app/lake-observer/id961878517)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Writing Challenge free?

Writing Challenge costs $2.99, with no in-app purchases.

### Is Lake Observer free?

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

### Do Writing Challenge or Lake Observer have ads?

Neither Writing Challenge nor Lake Observer shows ads.

### Which is updated more often, Writing Challenge or Lake Observer?

Writing Challenge ships an update every 6 weeks, and Lake Observer every 2 months. Most recently, Writing Challenge was updated on October 18, 2026 and Lake Observer on October 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.*