# Spotxel® Reader vs TrialLine Viewer

The clearest difference is in-app purchases: TrialLine Viewer at none against Spotxel® Reader's 1. TrialLine Viewer also leads on iOS requirement (12.0 vs 16.0). Spotxel® Reader's advantage is update cadence (every 2 months vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Spotxel® Reader sells 1 one-off in-app purchase. TrialLine Viewer asks for nothing beyond the download.

Spotxel® Reader ships an update every 2 months, TrialLine Viewer every 4 months. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Spotxel® Reader | TrialLine Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.4 (7 ratings)](https://appshunter.io/ios/app/spotxel-reader/id1340235876/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 43 MB | 64 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad, Mac | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Sicasys Software GmbH](https://appshunter.io/developer/1340235875) | [SJA Enterprises, Inc.](https://appshunter.io/developer/1324335468) |

## What reviewers say

### Spotxel® Reader

[App page](https://appshunter.io/ios/app/spotxel-reader/id1340235876)

This app allows you to capture images of microplates, detect and measure color signals, and analyze sample concentrations. It supports various assay formats and can save, load, and export data.

**Highlights:** Capture microplate images, Detect and measure color signals, Analyze sample concentrations, Save and load assay setups, Export assay data to PDF, Supports row, column, and microarray formats

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Time-Unlimited License | $8.99 | one-time |


### TrialLine Viewer

[App page](https://appshunter.io/ios/app/trialline-viewer/id6748837070)

**In-app purchases:** none


## Frequently asked questions

### Is Spotxel® Reader free?

Spotxel® Reader is free to download, with in-app purchases available.

### Is TrialLine Viewer free?

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

### Do Spotxel® Reader or TrialLine Viewer have ads?

Neither Spotxel® Reader nor TrialLine Viewer shows ads.

### Which is updated more often, Spotxel® Reader or TrialLine Viewer?

Spotxel® Reader ships an update every 2 months, and TrialLine Viewer every 4 months. Most recently, Spotxel® Reader was updated on October 24, 2026 and TrialLine Viewer on October 13, 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.*