Comparison

Spotxel® Reader vs TrialLine Viewer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Spotxel® Reader

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
Read full description

Spotxel® Reader is a free, feature-complete app for image-based microplate-reader workflows and colorimetric assay analysis. Use Spotxel® Reader to capture or load a microplate image, align the well grid, select the measured color channel, quantify well signals, define standards and unknowns, calculate a standard curve, derive unknown concentrations, review well data, and export assay results. The guided, page-based workflow includes Camera, Image Analysis, Assay Setup, Standard Curve, Well Data, Assay Report, Purchases, and Settings. Key features: - Capture or load microplate images for analysis - Quantify colorimetric well signals from plate images - Select the measured color channel - Align the well grid manually or with the Align Grid beta feature - Save and load reusable grid profiles - Define standards, unknowns, well names, and notes - Import and export assay setup CSV files - Calculate standard curves and unknown concentrations - Review sortable per-well signal and concentration data - Export well data as CSV - Create PDF assay reports - Organize generated files in the Spotxel Reader workspace under On My iPhone or On My iPad - Select camera and default microplate grid settings - Rotate and flip images and grids - Customize the interface with color profiles and light or dark appearance modes - Access expanded in-app help and documentation All analysis features are available in the free version, which includes a small advertising placement. The optional Perpetual License and auto-renewable 3-Month Subscription remove advertising. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

TrialLine Viewer

Read full description

TrialLine viewer - download and view your TrialLines. Built to accompany our webapp and give users the option to view their work in an offline setting. Key Features: • Offline access: Download your TrialLines built in our webapp for easy offline viewing • Intuitive Interface: Navigate your TrialLInes with our built in Pyramid and Relative view modes. • Easy updates: Update your TrialLInes as you edit and add to them using our easy update feature. • Search & Sort: Easily navigate your TrialLines with our dynamic search and filtering options. Must have an active TrialLine subscription and app license to use.

Screenshots

Spotxel® Reader4 screens
TrialLine Viewer4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Spotxel® Reader ships an update every 2 months, TrialLine Viewer every 4 months. The most recent releases landed on August 12, 2026 and September 9, 2026 respectively.

Scorecard3 real differences · 7 level
Spotxel® Reader versus TrialLine Viewer: the parameters behind the verdict, then further details
ParameterSpotxel® ReaderTrialLine Viewer
PriceFreeFree
Rating2.4 (7 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings7 — better—
Update frequencyEvery 2 months — betterEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, MaciPhone, iPad, iPod, Mac — better
Requires iOS16.012.0 — better
Further details — not scored
Size43 MB64 MB
Age rating4+4+
DeveloperSicasys Software GmbHSJA Enterprises, Inc.

In-app purchases

1 purchases

Spotxel® Reader

One-time1
  • Time-Unlimited License$8.99
None

TrialLine Viewer

No in-app purchases

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 August 12, 2026 and TrialLine Viewer on September 9, 2026.

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