Bright Comets vs THEOcon
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bright Comets
Discover visible comets in the night sky with this astronomy tool. Simply point your device upwards, and a red marker will guide you to the comet's location using real-time data.
- Locate visible comets
- Real-time sky pointing
- Red target marker guidance
- Uses device location
- NASA JPL ephemerides data
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This app helps you locate all bright comets currently visible in the night sky. Just hold your device up to the sky and find the red target marker on the screen. That's where the comet is! The app uses your location and up-to-date ephemerides from the NASA JPL's Horizons database to calculate the comet's position.
THEOcon
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At our events, you will hear talks about our daily challenges, key learnings from personal pet projects, and new discoveries and research. Topics can vary between web and mobile development, project management, personal development, CD/CI, backend development, low latency, performance and monitoring, cloud infrastructures, and new tech innovations. Come and join us! The application provides access to the live stream and the recordings later.
Screenshots
Verdict
The clearest difference is in-app purchases: THEOcon at none against Bright Comets's 1. THEOcon also leads on update cadence (every 2 days vs every 5 days) and iOS requirement (12.0 vs 17.0). On price, ads 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. Bright Comets sells 1 one-off in-app purchase. THEOcon asks for nothing beyond the download.
Bright Comets ships an update every 5 days, THEOcon every 2 days. The most recent releases landed on October 22, 2026 and October 9, 2026 respectively.
| Parameter | Bright Comets | THEOcon |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (153 ratings) — better | — |
| Positive reviews | 74.7% of reviews | — |
| Number of ratings | 153 — better | — |
| Update frequency | Every 5 days | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 23 MB | 65 MB |
| Age rating | 4+ | 4+ |
| Developer | Hanno Rein | THEO Technologies |
In-app purchases
Bright Comets
- Coffee$1.99
THEOcon
No in-app purchases
