Messier vs SHRPR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Messier
This app offers science-backed creative exercises designed to enhance problem-solving, overcome creative blocks, and manage stress through artistic expression. Connect with a community, track your progress, and discover new ways to bring fun and novelty into your life.
- Science-backed creativity exercises
- Enhance problem-solving skills
- Overcome creative blocks
- Stress management through art
- Community sharing and inspiration
- Track creativity streaks
Read full descriptionHide full description
Why Messier? Science-Backed Creativity: Exercises (we call them “Messier Moments”) developed in partnership with leading creativity researchers to maximize the benefits of creativity. Enhance Problem Solving: Transform your problem-solving skills change with engaging prompts focused on divergent thinking, drawing, movement, and writing – all designed to integrate progress into your mindset. Overcome Creative Blocks: Break through barriers with exercises that move you from hesitation to action and from fear to courage. Harness Creativity for Stress Management – Channel anxieties into artistic expression and discover how to effectively regulate your emotions with engaging and innovative creative prompts. Connect & Get Inspired: Share your creative moments with a like-minded community, explore new inspiration, and track the benefits of your creativity streaks. Fun and Experimentation: Inject more fun and novelty into your life with new approaches to creativity.
SHRPR
Read full descriptionHide full description
HOW IT WORKS Every case presents a real-world claim — the kind you'd see on Reddit, in the news, or at the dinner table. You analyze it using a 5-step protocol: 1. Identify the Claim — What exactly is being stated? 2. Check the Evidence — What proof is offered or missing? 3. Test the Logic — Does the reasoning actually follow? 4. Scan for Assumptions — What's being taken for granted? 5. Consider Alternatives — What else could explain this? 6. After each step, you get immediate feedback explaining why your answer was strong, partial, or off-track. No lectures. No textbooks. Just pattern recognition that transfers to real life. WHAT'S INSIDE - 100 real-world cases across 4 Acts of increasing difficulty - 5 free bonus cases to try before you buy - 3-tier scoring: Best, Partial, or Incorrect with instant feedback - Speed bonuses for quick thinking - Daily streaks to build the habit - 8 rank tiers from Rookie Analyst to Logic Commander - 9 achievement badges - Family plans for up to 5 people - 100 real-world cases across 4 Acts of increasing difficulty - 5 free bonus cases to try before you buy WHY SHRPR Iron sharpens iron. The best critical thinkers aren't born sharper — they practice against hard material. SHRPR is built on the belief that the mind responds to the same principles as the body: consistent reps, progressive difficulty, and honest feedback. From the person who almost shared it — to the person who already knew not to. Be the sharp one. ONE PRICE. NO SUBSCRIPTION. $4.99 one-time purchase. Yours forever. Try 5 cases free before you decide.
Screenshots
Verdict
The clearest difference is price: Messier at Free against SHRPR's $4.99. Messier also leads on iOS requirement (14.0 vs 18.0). SHRPR's advantage is update cadence (every 3 days vs every 16 months). On 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
Messier is free to download; SHRPR costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Messier ships an update every 16 months, SHRPR every 3 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | Messier | SHRPR |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 5.0 (21 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 21 — better | — |
| Update frequency | Every 16 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 14.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 41 MB | 5 MB |
| Age rating | 4+ | 9+ |
| Developer | Creyo Co. | Yonnas Getahun |
In-app purchases
Messier
No in-app purchases
SHRPR
No in-app purchases









