marcel vs Caspius
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
marcel
Explore a vast collection of art from various periods and genres. Engage in discussions, share insights, and discover what others notice about specific artworks. Post comments anonymously or with attribution.
- Discover art from diverse periods and genres
- See what others notice about artworks
- Embedded comments referencing specific details
- Engage in discussions about art
- Post comments anonymously or with attribution
- Guide feed by period or genre
Read full descriptionHide full description
Marcel allows you to discover art you might like and see what others notice about the works you find interesting. Including works from the Fayum portraits of Ancient Egypt to the Surrealist works created in 20th century Europe, scroll through hundreds of thousands of art pieces, or guide the gallery feed toward a period, genre, etc that you'd like to explore. Comments in Marcel are embedded into the works to reference specific details. Head over to the discussions to find the details that stood out and what people had to say about them. Post anonymously or choose an attribution to be recognized with.
Caspius
This app lets you record everyday household tasks to help train AI for robotics. You earn points for each approved video submission, contributing to real-world research and development. Track your progress and earnings as you help teach robots how to perform common chores.
- Record everyday tasks
- Earn points for submissions
- Contribute to AI research
- Track progress and earnings
- Browse and pick available tasks
- Leaderboard rankings
Read full descriptionHide full description
Caspius turns your everyday routines into valuable training data for robotics AI — and rewards you for it. Pick a task, hit record, and show how you do things like wiping a table, folding clothes, or loading a dishwasher. Each completed recording earns you points. It's that simple. The data you contribute helps researchers and developers teach robots how to perform real-world household tasks. No special equipment needed — just your iPhone and a few minutes. What you can do: – Browse available tasks and pick what works for you – Record short demonstration videos using your phone's camera – Earn points for every approved submission – Track your progress and earnings in the app Whether you've got five spare minutes or an hour, there's always a task to pick up. The more you contribute, the higher you rank on the leaderboard. Built by Caspius.
Screenshots
Verdict
The clearest difference is ads: Caspius at none against marcel's shown. Caspius also leads on update cadence (every 3 days vs every 2 weeks) and monetization model (free vs ad-supported). marcel's advantage is ratings volume (3 vs 1) and iOS requirement (15.1 vs 26.0). On price, rating, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for marcel against 5.0 for Caspius. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
marcel ships an update every 2 weeks, Caspius every 3 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | marcel | Caspius |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (1 ratings) |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 2 weeks | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 26.0 |
| Further details — not scored | ||
| Size | 75 MB | 37 MB |
| Age rating | 17+ | 4+ |
| Developer | Igor Nikolskiy | Caspius Dev |
Customer experience
marcel
Caspius
In-app purchases
marcel
No in-app purchases
Caspius
No in-app purchases









