# SPRINGviewer vs StarLoc

The clearest difference is update cadence: SPRINGviewer at weekly against StarLoc's every 2 months. SPRINGviewer also leads on device support (3 vs 1). StarLoc's advantage is iOS requirement (17.0 vs 26.0). On price, ads and in-app purchases there is nothing between them.

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

SPRINGviewer ships an update weekly, StarLoc every 2 months. The most recent releases landed on September 12, 2026 and August 19, 2026 respectively.

## The numbers

| Metric | SPRINGviewer | StarLoc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/starloc/id6760946563/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | — | Paid |
| Size | 73 MB | 2 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Torsten Seidel](https://appshunter.io/developer/1609083675) | [Daniel Schaich](https://appshunter.io/developer/1886958439) |

## What reviewers say

### SPRINGviewer

[App page](https://appshunter.io/ios/app/springviewer/id1609123265)

**Features:** macOS Compatibility

**In-app purchases:** none


### StarLoc

[App page](https://appshunter.io/ios/app/starloc/id6760946563)

This app provides precise GPS coordinates, altitude, and time data in a night-friendly interface for astronomers. It offers essential information for telescope alignment and observation, with a focus on preserving night vision.

**Highlights:** Night-friendly dark theme, Accurate latitude and longitude (DMS), Decimal coordinate support, Real-time GPS updates, Local, UTC, and offset time, Elevation in meters and feet, Horizontal and vertical accuracy

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SPRINGviewer free?

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

### Is StarLoc free?

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

### Do SPRINGviewer or StarLoc have ads?

Neither SPRINGviewer nor StarLoc shows ads.

### Which is updated more often, SPRINGviewer or StarLoc?

SPRINGviewer ships an update weekly, and StarLoc every 2 months. Most recently, SPRINGviewer was updated on September 12, 2026 and StarLoc on August 19, 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.*