# Instint vs Astronomy Logbook

The clearest difference is review sentiment: Astronomy Logbook at 50% against Instint's 0%. Astronomy Logbook also leads on in-app purchases (none vs 5) and update cadence (weekly vs every 4 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Instint sells 5 one-off in-app purchases. Astronomy Logbook asks for nothing beyond the download.

Instint ships an update every 4 weeks, Astronomy Logbook weekly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Instint | Astronomy Logbook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.3 (4 ratings)](https://appshunter.io/ios/app/astronomy-logbook/id1552320892/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 28 MB | 62 MB |
| Requires iOS | **16.4** | 16.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [Saurabh Garg](https://appshunter.io/developer/1451167570) | [Krishna Vedala](https://appshunter.io/developer/1546688939) |

## What reviewers say

### Instint

[App page](https://appshunter.io/ios/app/instint/id1454800508)

This app helps families manage household chores, track birthdays, and share photo memories. Parents can assign tasks to children, set up rewards, and receive notifications for task completion. It also includes a feature for sharing family photos on home screens.

**Highlights:** Chore assignment and rewards for children, Birthday reminders and event planning, Real-time photo sharing widget, Household task management for parents, Task status updates and notifications, Family status sharing

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee Tip | $2.99 | one-time |
| Breakfast Tip | $3.99 | one-time |
| Lunch Tip | $8.99 | one-time |
| Brunch Tip | $12.99 | one-time |
| Family Dinner Tip | $22.99 | one-time |


### 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


## Frequently asked questions

### Is Instint free?

Instint is free to download, with in-app purchases available.

### Is Astronomy Logbook free?

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

### Do Instint or Astronomy Logbook have ads?

Neither Instint nor Astronomy Logbook shows ads.

### Which is updated more often, Instint or Astronomy Logbook?

Instint ships an update every 4 weeks, and Astronomy Logbook weekly. Most recently, Instint was updated on November 2, 2026 and Astronomy Logbook on November 3, 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.*