Perform Outer Space vs Biorhythm Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Perform Outer Space
Explore the cosmos with interactive games and educational content. Children can learn about planets, practice spelling, and boost memory skills. Enjoy imaginative videos, songs, and dances about outer space.
- Space exploration games
- Spelling practice
- Memory games
- Outer space songs
- Dances and poems
- Educational videos
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Zoom into distant galaxies with the Perform Outer Space app. Children will love learning about the planets in Space Hopper, testing their spelling with Stellar Speller, boosting their concentration with Memory Mission and having fun across the Universe with Alien Antics. They can also enjoy a selection of imaginative videos featuring Outer Space songs, dances, poems and tongue-twisters to watch and join in with at home.
Biorhythm Calc
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Biorhythm Calculator reveals the hidden patterns that govern your energy, mood, and mental clarity - empowering you to plan your life around your natural peaks and valleys.
Screenshots
Verdict
The clearest difference is update cadence: Biorhythm Calc at every 2 weeks against Perform Outer Space's every 39 months. On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Perform Outer Space ships an update every 39 months, Biorhythm Calc every 2 weeks. The most recent releases landed on June 10, 2026 and September 9, 2026 respectively.
| Parameter | Perform Outer Space | Biorhythm Calc |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| Update frequency | Every 39 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.1 | 12.0 — better |
| Further details — not scored | ||
| Size | 308 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Perform | Kornel Kaulics |
In-app purchases
Perform Outer Space
No in-app purchases
Biorhythm Calc
No in-app purchases
Questions
Is Perform Outer Space free?
Is Biorhythm Calc free?
Do Perform Outer Space or Biorhythm Calc have ads?
Which is updated more often, Perform Outer Space or Biorhythm Calc?
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