# ksAstroLens vs Starlapse

The clearest difference is price: Starlapse at Free against ksAstroLens's $0.99. ksAstroLens's advantage is in-app purchases (none vs 1) and update cadence (every 3 days vs weekly). On ads, device support and iOS requirement there is nothing between them.

Starlapse is free to download; ksAstroLens costs $0.99 up front. Starlapse sells 1 one-off in-app purchase. ksAstroLens asks for nothing beyond the download.

ksAstroLens ships an update every 3 days, Starlapse weekly. Both last shipped on October 29, 2026.

## The numbers

| Metric | ksAstroLens | Starlapse |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/starlapse/id6801191027/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | — | Free |
| Size | 3 MB | 3 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Christophe Calmejane](https://appshunter.io/developer/459572746) | [Rustam SALAVATOV](https://appshunter.io/developer/1872989980) |

## What reviewers say

### ksAstroLens

[App page](https://appshunter.io/ios/app/ksastrolens/id6793507862)

**Features:** Apple Watch app

**In-app purchases:** none


### Starlapse

[App page](https://appshunter.io/ios/app/starlapse/id6801191027)

Capture stunning long-exposure night sky photos with advanced manual controls and frame stacking. This app offers precise focus on starlight, a meteor detector, and celestial aiming overlays for astrophotography on your phone.

**Highlights:** Manual camera controls (ISO, shutter, focus, white balance), Autofocus on starlight, Frame stacking for long exposures, Pinpoint stars and star trails modes, Night time-lapse creation, Meteor detector, Celestial aiming overlays

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starlapse Pro | $4.99 | one-time |


## Frequently asked questions

### Is ksAstroLens free?

ksAstroLens costs $0.99, with no in-app purchases.

### Is Starlapse free?

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

### Do ksAstroLens or Starlapse have ads?

Neither ksAstroLens nor Starlapse shows ads.

### Which is updated more often, ksAstroLens or Starlapse?

ksAstroLens ships an update every 3 days, and Starlapse weekly. Most recently, ksAstroLens was updated on October 29, 2026 and Starlapse on October 29, 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.*