Astronomy Logbook vs Launch Your Book
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Astronomy Logbook
Record astronomical observations with this red-light themed digital logbook. Securely store your notes in the cloud for access anywhere via web or app.
- Red-light themed interface
- Digital observation logging
- Cloud storage
- Web interface access
- Secure and private data
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A logbook for stargazers and astrophotographers to record their observations. Forget blurring your night vision, searching for a notebook, pencil and table by using a convenient red-light themed app to note your observations during an observing session. Observations are stored securely and privately in cloud accessible from anywhere in the world via web interface and apps. Open source project is provided free as an app.
Launch Your Book
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The Launch Your Book is a year’s worth of virtual coaching from Anna David, a NY Times bestselling author of eight books and founder of Launch Pad Publishing . It is designed to help you write and publish your book in a year. It’s broken down into 52 Tips, Tutorials and Tasks for you to tackle one week at a time.
Screenshots
Verdict
The clearest difference is update cadence: Launch Your Book at every 3 days against Astronomy Logbook's weekly. Launch Your Book also leads on iOS requirement (9.0 vs 16.6). 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.
Astronomy Logbook ships an update weekly, Launch Your Book every 3 days. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.
| Parameter | Astronomy Logbook | Launch Your Book |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (4 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Weekly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.6 | 9.0 — better |
| Further details — not scored | ||
| Size | 62 MB | 31 MB |
| Age rating | 17+ | 4+ |
| Developer | Krishna Vedala | Willpower Group LLC |
In-app purchases
Astronomy Logbook
No in-app purchases
Launch Your Book
No in-app purchases
Questions
Is Astronomy Logbook free?
Is Launch Your Book free?
Do Astronomy Logbook or Launch Your Book have ads?
Which is updated more often, Astronomy Logbook or Launch Your Book?
Other comparisons
