# Astronomy Logbook vs PDF to Text Extractor

The clearest difference is rating: PDF to Text Extractor at 5.0 against Astronomy Logbook's 3.3. PDF to Text Extractor also leads on iOS requirement (12.0 vs 16.6). Astronomy Logbook's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, ratings volume and device support there is nothing between them.

Both are free to download. PDF to Text Extractor sells 3 in-app purchases, starting at $2.99 per 7 days. Astronomy Logbook asks for nothing beyond the download.

PDF to Text Extractor holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

Astronomy Logbook ships an update weekly, PDF to Text Extractor every 5 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Astronomy Logbook | PDF to Text Extractor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (4 ratings)](https://appshunter.io/ios/app/astronomy-logbook/id1552320892/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pdf-to-text-extractor/id6727011664/reviews)** |
| Number of ratings | **4** | 2 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 5 months |
| Monetization | Free | — |
| Size | 62 MB | 57 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Krishna Vedala](https://appshunter.io/developer/1546688939) | [Muhammad Awais Younas](https://appshunter.io/developer/1771187232) |

## 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


### PDF to Text Extractor

[App page](https://appshunter.io/ios/app/pdf-to-text-extractor/id6727011664)

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Week | $2.99 | per 7 days |
| Premium Month | $7.99 | per month |
| Premium Year | $44.99 | per year |


## Frequently asked questions

### Is Astronomy Logbook free?

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

### Is PDF to Text Extractor free?

PDF to Text Extractor is free to download, with in-app purchases available.

### Which has better reviews, Astronomy Logbook or PDF to Text Extractor?

PDF to Text Extractor is rated higher. Astronomy Logbook averages 3.3 out of 5 from 4 ratings, while PDF to Text Extractor averages 5.0 from 2 ratings.

### Do Astronomy Logbook or PDF to Text Extractor have ads?

PDF to Text Extractor shows ads; Astronomy Logbook does not.

### Which is updated more often, Astronomy Logbook or PDF to Text Extractor?

Astronomy Logbook ships an update weekly, and PDF to Text Extractor every 5 months. Most recently, Astronomy Logbook was updated on October 21, 2026 and PDF to Text Extractor on October 24, 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.*