# Lehmann Gallery vs AstroHelm

The clearest difference is in-app purchases: Lehmann Gallery at none against AstroHelm's 3. Lehmann Gallery also leads on rating (5.0 vs 4.6) and iOS requirement (14.0 vs 17.0). AstroHelm's advantage is update cadence (every 2 weeks vs every 40 months) and ratings volume (7 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. AstroHelm sells 3 one-off in-app purchases. Lehmann Gallery asks for nothing beyond the download.

Lehmann Gallery holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: AstroHelm has 7 ratings behind it against 1, so its average is the more settled of the two.

Lehmann Gallery ships an update every 40 months, AstroHelm every 2 weeks. The most recent releases landed on October 9, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Lehmann Gallery | AstroHelm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lehmann-gallery/id1364029571/reviews)** | [4.6 (7 ratings)](https://appshunter.io/ios/app/astrohelm/id6761955319/reviews) |
| Number of ratings | 1 | **7** |
| Positive reviews | — | 87.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 9 MB | 73 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [Loba](https://appshunter.io/developer/936875622) | [Pacizu LLC](https://appshunter.io/developer/1892191741) |

## What reviewers say

### Lehmann Gallery

[App page](https://appshunter.io/ios/app/lehmann-gallery/id1364029571)

Discover art exhibitions, fairs, and cultural events in Portugal. Save favorite articles and news for later reading. Stay updated on the latest in the art world.

**Highlights:** Exhibition listings, Art fair information, Cultural event updates, News articles, Favorite content saving, Later reading list

**Features:** macOS Compatibility

**In-app purchases:** none


### AstroHelm

[App page](https://appshunter.io/ios/app/astrohelm/id6761955319)

This astronomy app uses on-device plate solving to guide your manual telescope or telephoto lens. It analyzes star patterns in real-time to help you precisely center celestial objects without expensive motorized mounts.

**Highlights:** On-device plate solving, Real-time star pattern analysis, Push-to guidance, Hardware-agnostic compatibility, Expansive deep-sky object database

**Features:** Family Sharing, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AstroHelm Plus | $9.99 | one-time |
| Plus to Pro Upgrade | $19.99 | one-time |
| AstroHelm Pro | $29.99 | one-time |


## Frequently asked questions

### Is Lehmann Gallery free?

Lehmann Gallery is free to download, with no in-app purchases.

### Is AstroHelm free?

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

### Which has better reviews, Lehmann Gallery or AstroHelm?

Lehmann Gallery is rated higher. Lehmann Gallery averages 5.0 out of 5 from 1 ratings, while AstroHelm averages 4.6 from 7 ratings.

### Do Lehmann Gallery or AstroHelm have ads?

Neither Lehmann Gallery nor AstroHelm shows ads.

### Which is updated more often, Lehmann Gallery or AstroHelm?

Lehmann Gallery ships an update every 40 months, and AstroHelm every 2 weeks. Most recently, Lehmann Gallery was updated on October 9, 2026 and AstroHelm on October 21, 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.*