Stellar vs Studi.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stellar
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Turn focus into a universe. Stellar is a focus timer that rewards your concentration. Every session you complete creates a real celestial object, stars, planets, nebulae and rare cosmic phenomena, that takes its place in a universe that's entirely your own. Stay focused. Watch your galaxy grow. A FOCUS TIMER THAT MEANS SOMETHING Set a session, put your phone down, and stay on task. Finish, and you'll discover a new celestial body, the longer and more consistent you are, the rarer your discoveries. BUILD YOUR OWN UNIVERSE Pan and zoom across a living star map. Your discoveries form constellations, drift with subtle parallax, and glow against deep-space nebulae. No two universes look alike. COLLECT THE COSMOS Fill your Codex with 60+ celestial types across stars, planets, nebulae, and cosmic phenomena, from common yellow stars to mythic discoveries. STAY CONSISTENT Daily missions, focus streaks, and level progression keep you coming back. Watch your universe expand session after session. COSMIC SHIELD Block distracting apps during a session so nothing pulls you off course. Beautifully designed, calm, and rewarding. Stellar makes deep work something you look forward to.
Studi.
A minimalist study timer focused on essential features without distractions. It offers a clean interface with no pop-ups, ads, or paywalls, providing a focused environment for effective study sessions.
- Minimalist design
- Clean interface
- No pop-up distractions
- Ad-free experience
- No paywall secured features
- Essential study tools
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a simple, clean, and minimal study timer designed to bring you the features you want, with none of the distractions. No constant pop-ups, ads, paywall secured features or anything else. Just the essentials.
Screenshots
Verdict
The clearest difference is iOS requirement: Studi. at 15.1 against Stellar's 18.0. 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.
| Parameter | Stellar | Studi. |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 7 MB | 188 MB |
| Age rating | 4+ | 4+ |
| Developer | Julian Khuy | Lucas Oblaender |
In-app purchases
Stellar
No in-app purchases
Studi.
No in-app purchases
