Comparison

Light Detective vs TrainSimple Workout Tracker

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

Head to head
About

Light Detective

This app educates patients about blue light and UV radiation, demonstrating the benefits of blue-coated lenses with simulations and images. It also measures blue light and UV radiation from various sources to enhance patient understanding.

Highlights
  • Patient education on blue light and UV
  • Simulations and images of lens benefits
  • Blue light measurement from light sources
  • UV radiation measurement
  • Information for eye care professionals
Features
Read full description

Light Detective will assist you in explaining about Blue coated lens, Blue light and UV to patients. This application has helpful and informative contents that shows the benefits of Blue coated lens with simulation and images. Plus, this app enables you to measure Blue light from any light sources such as tablet(iPad) or Smartphone or Fluorescent light etc. and UV radiation with a Light Detective module to help patients to have better understanding about Blue light and UV radiation. This App is intended for use by Eye Care Professionals. - If you are a professional eye care practitioner, please contact us to learn more about Light Detective.

About

TrainSimple Workout Tracker

This app offers a streamlined way to log workouts with a clean interface and quick startup. It allows for easy correction of entries and provides reliable data management with automatic backups and export options. Designed for simplicity, it supports various activities and is suitable for all fitness levels.

Highlights
  • Fast startup and quick logging
  • Undo support for easy corrections
  • Automatic iCloud backup
  • Data export and import
  • Minimalist and easy-to-use UI
  • Customizable color themes
Features
Read full description

Fast Startup and Smooth Operation Lightweight design that launches quickly Record your workout in as few as three taps Clean and efficient interface with no unnecessary steps Undo Support to Prevent Mistakes Easily revert incorrect entries Reduces the pressure to log perfectly Lowers the barrier to consistent tracking Reliable Data Management Automatic iCloud backup Smooth data transfer when switching devices Export and import features for secure, flexible management Minimal and Easy to Use UI Simple screens that are easy to understand No clutter, no confusion Customizable color themes to match your preference Use Cases Strength training logs Running and walking records Yoga or Pilates session tracking Cycling distance management Building daily workout habits Recommended For Anyone who wants a simple workout tracking app Users who struggled to continue logging due to mistakes From beginners to experienced athletes People who value secure and reliable data handling Terms of Use This app follows Apple's standard End User License Agreement (EULA). More information: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Light Detective3 screens
TrainSimple Workout Tracker4 screens

Verdict

The call

The clearest difference is review sentiment: TrainSimple Workout Tracker at 100% against Light Detective's 0%. TrainSimple Workout Tracker also leads on rating (5.0 vs 1.0) and update cadence (weekly vs every 8 months). Light Detective's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price and ratings volume 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. TrainSimple Workout Tracker sells 2 in-app purchases, starting at $1.99 per month. Light Detective asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

TrainSimple Workout Tracker holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 0% of Light Detective's written reviews are positive against 100% of TrainSimple Workout Tracker's.

UpkeepUpdate frequency

Light Detective ships an update every 8 months, TrainSimple Workout Tracker weekly. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

Scorecard8 real differences · 2 level
Light Detective versus TrainSimple Workout Tracker: the parameters behind the verdict, then further details
ParameterLight DetectiveTrainSimple Workout Tracker
PriceFreeFree
Rating1.0 (1 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings11
Update frequencyEvery 8 monthsWeekly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better17.6
Further details — not scored
Size120 MB6 MB
Age rating4+4+
DeveloperSignet Armorlite, Inc.BYNET

Customer experience

Light Detective

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

TrainSimple Workout Tracker

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Light Detective

No in-app purchases

2 purchases

TrainSimple Workout Tracker

Subscriptions2
  • Premium Monthly$1.991 Month
  • Premium Yearly$12.991 Year

Questions

Is Light Detective free?
Light Detective is free to download, with no in-app purchases.
Is TrainSimple Workout Tracker free?
TrainSimple Workout Tracker is free to download, with in-app purchases available.
Which has better reviews, Light Detective or TrainSimple Workout Tracker?
TrainSimple Workout Tracker is rated higher. Light Detective averages 1.0 out of 5 from 1 ratings, while TrainSimple Workout Tracker averages 5.0 from 1 ratings.
Do Light Detective or TrainSimple Workout Tracker have ads?
TrainSimple Workout Tracker shows ads; Light Detective does not.
Which is updated more often, Light Detective or TrainSimple Workout Tracker?
Light Detective ships an update every 8 months, and TrainSimple Workout Tracker weekly. Most recently, Light Detective was updated on November 2, 2026 and TrainSimple Workout Tracker on October 30, 2026.

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