Writing Challenge vs Lake Observer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Writing Challenge
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.
- Tap for new story prompts
- Customizable prompt settings
- Daily writing challenges
- Home screen widgets for challenges
- Share challenges with others
- Freewriting exercises
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Stuck in front of a blank page? Need a boost of inspiration? Join us to overcome blocks and push your creativity to the max. With Writing Challenge, you will brainstorm new and fresh ideas and embrace freewriting in the funniest way ever. *** TAP AND SPARK *** · Get new prompts to start writing your story with just a touch on your screen. · Pick the prompts that better suit you from our mix of trigger words, characters, actions, settings, sentences, items, and dialogue. · Take control of your experience with the prompt settings. · Set the number of prompts for each writing session to get an ending for your story. · Add a timer between prompts if you wish for an extra challenge. *** THINK OUTSIDE THE BOX *** · Check the Daily Challenge Prompts that encourage you to create original stories and keep the writing habit alive. · Get the Daily Challenge on your home screen with the app widgets. · Mark the challenge as completed for a more engaging experience. · Schedule up the reminder to keep up the challenge every day. *** SHARE YOUR CREATIVITY *** · Share the Daily Challenges with friends and colleagues. · Increase fun & engagement in your writing classes, workshops, and writing group sessions. Whether you are a writer looking for ideas or just want to have fun, this app will help you out. Dare yourself to experience freewriting, and express your creativity without restrictions. —— —— —— *** DOUBTS? *** Please visit the site writingchallengeapp.com for more information. You can also contact us via info@liternauts.com. We are happily awaiting your feedback and will get back to you! Thank you, and happy writing!
Lake Observer
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The Lake Observer application is a tool that empowers citizen scientists to more easily record measurements and observations while working in the field. Lake Observer was designed by members of the Global Lake Ecological Observatory Network (GLEON) as part of a crowdsourcing platform to facilitate the collection and sharing of lake- and water-related information across the globe.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Writing Challenge | Lake Observer |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 4.4 (59 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 59 — better | — |
| Update frequency | Every 6 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 42 MB | 57 MB |
| Age rating | 9+ | 4+ |
| Developer | Bartolome Masco Lopez | Cary Institute of Ecosystem Studies, Inc. |
In-app purchases
Writing Challenge
No in-app purchases
Lake Observer
No in-app purchases
Questions
Is Writing Challenge free?
Is Lake Observer free?
Do Writing Challenge or Lake Observer have ads?
Which is updated more often, Writing Challenge or Lake Observer?
Other comparisons
