# SPRINGviewer vs GWL

The clearest difference is update cadence: SPRINGviewer at weekly against GWL's every 14 months. GWL's advantage is iOS requirement (13.0 vs 26.0). On price, ads, 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.

SPRINGviewer ships an update weekly, GWL every 14 months. The most recent releases landed on September 12, 2026 and December 8, 2025 respectively.

## The numbers

| Metric | SPRINGviewer | GWL |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 14 months |
| Size | 73 MB | 10 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Torsten Seidel](https://appshunter.io/developer/1609083675) | [Smart Sensor Devices AB](https://appshunter.io/developer/1518532284) |

## What reviewers say

### SPRINGviewer

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

**Features:** macOS Compatibility

**In-app purchases:** none


### GWL

[App page](https://appshunter.io/ios/app/gwl/id6499316921)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SPRINGviewer free?

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

### Is GWL free?

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

### Do SPRINGviewer or GWL have ads?

Neither SPRINGviewer nor GWL shows ads.

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

SPRINGviewer ships an update weekly, and GWL every 14 months. Most recently, SPRINGviewer was updated on September 12, 2026 and GWL on December 8, 2025.

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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.*