# Stellar vs Duoptra

The clearest difference is rating: Stellar at 5.0 against Duoptra's 3.8. Stellar also leads on in-app purchases (none vs 4) and ads (none vs shown). Duoptra's advantage is update cadence (every 2 days vs every 4 days). On price, ratings volume, device support and iOS requirement there is nothing between them.

Both are free to download. Duoptra sells 3 in-app purchases, starting at $0.99 per 7 days. Stellar asks for nothing beyond the download.

Stellar holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 3 and 4 respectively.

Stellar ships an update every 4 days, Duoptra every 2 days. The most recent releases landed on October 14, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Stellar | Duoptra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/stellar-timelapse-camera/id6757371528/reviews)** | [3.8 (4 ratings)](https://appshunter.io/ios/app/duoptra-dual-camera/id6761823299/reviews) |
| Number of ratings | 3 | **4** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | **Free** | Ad-supported |
| Size | 14 MB | 41 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gabriel Pires](https://appshunter.io/developer/1512618447) | [Jonathan Mercandalli](https://appshunter.io/developer/1891612621) |

## What reviewers say

### Stellar

[App page](https://appshunter.io/ios/app/stellar-timelapse-camera/id6757371528)

This app offers advanced control for creating timelapses and capturing single shots with customizable intervals and delays. It supports manual camera settings, dual camera capture, and various output formats, including RAW. Remote control and Apple Watch integration are also available.

**Highlights:** Interval shooting, Manual camera controls, Dual camera capture, RAW photo output, Remote control, Apple Watch integration, Timelapse video creation

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Duoptra

[App page](https://appshunter.io/ios/app/duoptra-dual-camera/id6761823299)

Capture professional-quality video with simultaneous front and back camera recording. Offers advanced manual controls, pro video formats like ProRes, and built-in editing tools for filmmakers and content creators.

**Highlights:** Simultaneous dual-camera recording, Pro video formats (ProRes, H.265, H.264), Manual ISO, shutter speed, and exposure controls, Advanced monitoring tools (waveform, focus peaking), Built-in video trimming and cropping, 4K resolution at up to 60fps

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $0.99 | per 7 days |
| Full Access Pass | $0.99 | per month |
| Full Access Pass | $4.99 | per 7 days |


## Frequently asked questions

### Is Stellar free?

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

### Is Duoptra free?

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

### Which has better reviews, Stellar or Duoptra?

Stellar is rated higher. Stellar averages 5.0 out of 5 from 3 ratings, while Duoptra averages 3.8 from 4 ratings.

### Do Stellar or Duoptra have ads?

Duoptra shows ads; Stellar does not.

### Which is updated more often, Stellar or Duoptra?

Stellar ships an update every 4 days, and Duoptra every 2 days. Most recently, Stellar was updated on October 14, 2026 and Duoptra on October 12, 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.*