# SKF Machine train alignment vs SPM LineLazer

SKF Machine train alignment and SPM LineLazer are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 27, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | SKF Machine train alignment | SPM LineLazer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 69 MB | 96 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SKF](https://appshunter.io/developer/472922971) | [SPM Instrument AB](https://appshunter.io/developer/578558155) |

## What reviewers say

### SKF Machine train alignment

[App page](https://appshunter.io/ios/app/skf-machine-train-alignment/id1149906003)

**Features:** macOS Compatibility

**In-app purchases:** none


### SPM LineLazer

[App page](https://appshunter.io/ios/app/spm-linelazer/id1471086045)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SKF Machine train alignment free?

SKF Machine train alignment is free to download, with no in-app purchases.

### Is SPM LineLazer free?

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

### Do SKF Machine train alignment or SPM LineLazer have ads?

Neither SKF Machine train alignment nor SPM LineLazer shows ads.

### Which is updated more often, SKF Machine train alignment or SPM LineLazer?

SKF Machine train alignment ships an update every 3 months, and SPM LineLazer every 3 months. Most recently, SKF Machine train alignment was updated on September 27, 2026 and SPM LineLazer on September 26, 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.*