Comparison

REM Sleep Tracker vs Trekka

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

Head to head
About

REM Sleep Tracker

This app analyzes Apple Watch sensor data to provide a sleep quality score. It offers detailed insights into sleep stages, heart rate, and weekly trends, helping users understand and improve their rest habits.

Highlights
  • Sleep quality scoring
  • Detailed sleep stage analysis (light, deep, REM)
  • Heart rate monitoring
  • Weekly trend tracking
  • Sleep bank concept for habit analysis
  • Apple Health integration
Features
Read full description

Sleep Monitor is the perfect app for people eager to enhance the quality of their nighttime rest. Thanks to an advanced algorithm, Sleep Monitor processes the data gathered by your Apple Watch sensors to provide you with an overall score representing the quality of your sleep. This innovative app offers a detailed analysis of the different sleep stages, monitoring light, deep, and REM sleep cycles, and providing information about your heart rate throughout the night. Additionally, Sleep Monitor allows you to track your progress with the "sleep bank" concept, a repository of your rest data that helps you better understand your habits and identify any issues. With Sleep Monitor, you can also monitor the weekly trends of various parameters, such as sleep duration, rest quality, and time spent in each sleep stage. This valuable information will enable you to make targeted lifestyle changes to improve your nighttime rest. Don't miss the opportunity to transform your Apple Watch into a powerful tool for better sleep and waking up more rejuvenated each day. Sleep Monitor is the ideal app for those seeking an ally in sleep management, with an intuitive design and a rich array of features. Download Sleep Monitor today and begin your journey towards more restful and regenerative sleep. Maximize the potential of your Apple Watch and discover how quality rest can improve your daily life! HealthKit Integrated with Apple Health for sleep stages, heart rate, respiratory frequency, age and gender data to calculate sleep quality. Sleep Monitor Premium Sleep Monitor offers a Premium version available as an auto-renewable subscription. Payment will be charged to iTunes Account at confirmation of purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period at the rate of your selected plan above. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings on the device. Once purchased, refunds will not be provided for any unused portion of the term. Privacy policy: http://app.sleepscoreapp.com/Home/Privacy Terms of use: http://app.sleepscoreapp.com/Home/Terms

About

Trekka

Virtually walk iconic routes by syncing with your existing step and distance data from Apple Health. Track progress on marathons, hikes, and unique challenges without needing extra workout tracking. Earn notifications for milestones and monitor shoe wear.

Highlights
  • Route progress synced with Apple Health
  • Catalog of real-world races and challenges
  • Daily streaks and activity summaries
  • Lock Screen widget for progress
  • Shoe mileage tracking
  • Milestone notifications
Features
Read full description

Walk the world's most iconic routes (and a few impossible ones) from wherever you are. Trekka turns the steps, distance, and elevation you're already logging in Apple Health into real progress along real-world routes and outrageous challenges: Major marathons, hiking trails, ultra races, and even circling the Earth and climbing to the International Space Station. Some routes take a weekend. Others take years. No workouts or GPS to manage. Just walk, run, or hike your normal day, and watch your marker move along the route. Features: - Route progress powered by Apple Health, no GPS or workout tracking required - A growing catalog of real-world races, hikes, climbs, and unique challenges - Daily streaks and at-a-glance summaries of steps, distance, and elevation - Lock Screen widget that shows your current progress - Shoe mileage tracking: Assign your active pair and watch wear add up - Stats view with activity charts and route history - Milestone notifications at 25%, 50%, 75%, and 100% of every route - Works with iPhone, Apple Watch, Garmin Connect, and any source that writes to Apple Health - Trailhead Pass unlocks more routes and lets you run multiple routes at once - Privacy-first: only the Health data you allow, nothing more Next time someone asks how fit you are, tell them you've climbed Everest. Download Trekka today.

Screenshots

REM Sleep Tracker4 screens
Trekka4 screens

Verdict

The call

The clearest difference is review sentiment: Trekka at 100% against REM Sleep Tracker's 0%. REM Sleep Tracker's advantage is iOS requirement (16.0 vs 18.5). On price, update cadence, ads and in-app purchases 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. REM Sleep Tracker sells 2 in-app purchases, starting at $9.99 per year and Trekka sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

REM Sleep Tracker ships an update every 2 weeks, Trekka every 9 days. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 8 level
REM Sleep Tracker versus Trekka: the parameters behind the verdict, then further details
ParameterREM Sleep TrackerTrekka
PriceFreeFree
Rating4.2 (49 ratings) — better—
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings49 — better—
Update frequencyEvery 2 weeksEvery 9 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhoneiPhone
Requires iOS16.0 — better18.5
Further details — not scored
Size25 MB60 MB
Age rating4+4+
DeveloperNicola EusebiPARKER ALEXANDER SIROISHKA

Customer experience

REM Sleep Tracker

All ratings49 ratings
Positive79.6%
Neutral6.1%
Negative14.3%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

Trekka

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

REM Sleep Tracker

Subscriptions2
  • Sleep Score Premium Yearly$9.991 Year
  • Sleep Score Premium Yearly7 Days trial$29.991 Year
1 purchases

Trekka

One-time1
  • Trailhead Pass$9.99

Questions

Is REM Sleep Tracker free?
REM Sleep Tracker is free to download, with in-app purchases available.
Is Trekka free?
Trekka is free to download, with in-app purchases available.
Do REM Sleep Tracker or Trekka have ads?
Neither REM Sleep Tracker nor Trekka shows ads.
Which is updated more often, REM Sleep Tracker or Trekka?
REM Sleep Tracker ships an update every 2 weeks, and Trekka every 9 days. Most recently, REM Sleep Tracker was updated on October 8, 2026 and Trekka on October 7, 2026.

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