# SPRINGviewer vs LEOSMAK

The clearest difference is update cadence: SPRINGviewer at weekly against LEOSMAK's every 2 months. LEOSMAK's advantage is iOS requirement (15.1 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, LEOSMAK every 2 months. The most recent releases landed on September 12, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | SPRINGviewer | LEOSMAK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Size | 73 MB | 48 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Torsten Seidel](https://appshunter.io/developer/1609083675) | [LEOSMAK SP Z O O](https://appshunter.io/developer/1728475897) |

## What reviewers say

### SPRINGviewer

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

**Features:** macOS Compatibility

**In-app purchases:** none


### LEOSMAK

[App page](https://appshunter.io/ios/app/leosmak/id6476982684)

**In-app purchases:** none


## Frequently asked questions

### Is SPRINGviewer free?

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

### Is LEOSMAK free?

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

### Do SPRINGviewer or LEOSMAK have ads?

Neither SPRINGviewer nor LEOSMAK shows ads.

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

SPRINGviewer ships an update weekly, and LEOSMAK every 2 months. Most recently, SPRINGviewer was updated on September 12, 2026 and LEOSMAK on September 7, 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.*