OpenSTARS vs N
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OpenSTARS
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OpenSTARS is an air traffic control radar simulation game inspired by terminal radar operations. Guide aircraft through a compact training sector, issue heading, altitude, and speed commands, and keep aircraft safely separated while routing each flight to its assigned exit gate. Features: - Offline radar simulation - Typed ATC-style commands - Heading, altitude, and speed control - Separation alerts and scoring - Multiple difficulty levels - No account, subscription, or network login required OpenSTARS is built as a focused game and training-style challenge. It is not for real-world navigation, flight operations, or live air traffic control.
N
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Train working memory with fast arithmetic n-back rounds. N-Back Math shows a stream of arithmetic problems and asks you to answer the result from N steps back. Each run is short, focused, and saved locally so you can track accuracy over time.
Screenshots
Verdict
The clearest difference is iOS requirement: OpenSTARS at 13.0 against N's 17.0. 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 | OpenSTARS | N |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 10 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | WILLIAM ERNEST MACOMBER | Zeul Mordasiewicz |
In-app purchases
OpenSTARS
No in-app purchases
N
No in-app purchases
