# DWARFLAB vs Star Exposure Calculator

The clearest difference is ads: DWARFLAB at none against Star Exposure Calculator's shown. Star Exposure Calculator's advantage is update cadence (every 2 weeks vs every 5 weeks) and iOS requirement (13.0 vs 15). On price, in-app purchases and device support there is nothing between them.

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

DWARFLAB ships an update every 5 weeks, Star Exposure Calculator every 2 weeks. The most recent releases landed on November 12, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | DWARFLAB | Star Exposure Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (148 ratings)](https://appshunter.io/ios/app/dwarflab/id1667394131/reviews)** | — |
| Number of ratings | **148** | — |
| Positive reviews | 36.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 219 MB | 25 MB |
| Requires iOS | 15 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tinyphoton (Wuhan) Technology. Co., Ltd.](https://appshunter.io/developer/1470898020) | [Dejan Boras](https://appshunter.io/developer/1612985659) |

## What reviewers say

### DWARFLAB

[App page](https://appshunter.io/ios/app/dwarflab/id1667394131)

This app connects wirelessly to a smart telescope, offering intuitive control for capturing stunning images of the night sky and dynamic terrestrial scenes. It features automatic tracking, in-app image processing, and panorama creation for both astrophotography and everyday use.

**Highlights:** Wireless telescope connection, In-built star atlas for astrophotography, Automatic celestial and motion tracking, In-app image stacking and post-processing, Gigapixel panorama creation, Time-lapse photography

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 📸 High-quality astrophotography results
- 💰 Excellent value for price
- 🎯 Intuitive sky atlas and target selection
- 🔄 Frequent app updates and improvements
- ⚡ Responsive developer team

**What reviewers complain about**

- 🔌 Persistent WiFi connectivity issues
- ⏱️ Slow connection establishment (15-30 minutes)
- 🐛 Frequent app crashes and freezes
- 📉 Tracking frame drops (25% loss reported)
- 🔄 Connection drops after minutes

**Reported bugs**

- WiFi connection fails repeatedly or drops within seconds
- App crashes on iOS 18 and older iOS versions
- Account creation security verification fails
- Full-screen mode freezes with no escape option
- Autofocus produces inconsistent or blurry results

**Requested features**

- One-tap return to home and power off function
- Panorama/mosaic image merging capability
- Comet-aligned tracking mode
- Dew control for iOS (available on Android)
- iPad-optimized app version


### Star Exposure Calculator

[App page](https://appshunter.io/ios/app/star-exposure-calculator/id6670283794)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DWARFLAB free?

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

### Is Star Exposure Calculator free?

Star Exposure Calculator is free to download, with no in-app purchases.

### Do DWARFLAB or Star Exposure Calculator have ads?

Star Exposure Calculator shows ads; DWARFLAB does not.

### Which is updated more often, DWARFLAB or Star Exposure Calculator?

DWARFLAB ships an update every 5 weeks, and Star Exposure Calculator every 2 weeks. Most recently, DWARFLAB was updated on November 12, 2026 and Star Exposure Calculator on November 8, 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.*