# Astronomy Logbook vs Smart Lidar

The clearest difference is rating: Astronomy Logbook at 3.3 against Smart Lidar's 1.0. Astronomy Logbook also leads on ratings volume (4 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Astronomy Logbook holds the better App Store score, 3.3 against 1.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

Astronomy Logbook ships an update weekly, Smart Lidar every 11 days. The most recent releases landed on October 21, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Astronomy Logbook | Smart Lidar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (4 ratings)](https://appshunter.io/ios/app/astronomy-logbook/id1552320892/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/smart-lidar/id6764063935/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 11 days |
| Monetization | Free | — |
| Size | 62 MB | 21 MB |
| Requires iOS | 16.6 | **15.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Krishna Vedala](https://appshunter.io/developer/1546688939) | [Eagleprojects S.p.A.](https://appshunter.io/developer/1677149406) |

## What reviewers say

### Astronomy Logbook

[App page](https://appshunter.io/ios/app/astronomy-logbook/id1552320892)

Record astronomical observations with this red-light themed digital logbook. Securely store your notes in the cloud for access anywhere via web or app.

**Highlights:** Red-light themed interface, Digital observation logging, Cloud storage, Web interface access, Secure and private data

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Lidar

[App page](https://appshunter.io/ios/app/smart-lidar/id6764063935)

**In-app purchases:** none


## Frequently asked questions

### Is Astronomy Logbook free?

Astronomy Logbook is free to download, with no in-app purchases.

### Is Smart Lidar free?

Smart Lidar is free to download, with no in-app purchases.

### Which has better reviews, Astronomy Logbook or Smart Lidar?

Astronomy Logbook is rated higher. Astronomy Logbook averages 3.3 out of 5 from 4 ratings, while Smart Lidar averages 1.0 from 1 ratings.

### Do Astronomy Logbook or Smart Lidar have ads?

Neither Astronomy Logbook nor Smart Lidar shows ads.

### Which is updated more often, Astronomy Logbook or Smart Lidar?

Astronomy Logbook ships an update weekly, and Smart Lidar every 11 days. Most recently, Astronomy Logbook was updated on October 21, 2026 and Smart Lidar on October 23, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*