# SampleServe Field App vs Klir

SampleServe Field App and Klir 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 2 months. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | SampleServe Field App | Klir |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 64 MB | 59 MB |
| Requires iOS | 16.6 | **15** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SampleServe Inc.](https://appshunter.io/developer/1639620266) | [klir](https://appshunter.io/developer/1687638547) |

## What reviewers say

### SampleServe Field App

[App page](https://appshunter.io/ios/app/sampleserve-field-app/id1639620264)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Klir

[App page](https://appshunter.io/ios/app/klir/id6744651545)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SampleServe Field App free?

SampleServe Field App is free to download, with no in-app purchases.

### Is Klir free?

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

### Do SampleServe Field App or Klir have ads?

Neither SampleServe Field App nor Klir shows ads.

### Which is updated more often, SampleServe Field App or Klir?

SampleServe Field App ships an update every 2 months, and Klir every 2 months. Most recently, SampleServe Field App was updated on September 17, 2026 and Klir on September 18, 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.*