Comparison

Ruler vs UB Trainer Session

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

Head to head
About

Ruler

Transform your phone into a precise measuring tool. Accurately measure objects, surfaces, and distances using your screen or camera. Ideal for home, work, or on-the-go tasks, providing quick and reliable measurements.

Highlights
  • Measure objects on screen
  • Switch between units (cm, mm, inches)
  • Save and share measurements
  • Easy-to-use interface
  • Accurate and fast measurements
Features
Read full description

Turn your phone into a powerful measuring device with our app. Measure objects, surfaces, and distances precisely using your screen or camera. Whether you’re at home, at work, or on the go — our product gives you accurate measurements in seconds. Main Features: • Measure objects directly on your screen • Switch between units (cm, mm, inches) • Save and share your measurements • Sleek and easy-to-use interface Why You’ll Love It: • Always have a ruler in your pocket • Ideal for DIY, design, school, or daily use • Accurate, fast, and convenient Subscription Details: • Weekly Plan: $4.99/week • Yearly Plan: $19.99/year with a 3-day free trial Payment will be charged to your iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours before the subscription ends. Manage or cancel your subscription anytime in your iTunes Account settings. Any unused portion of a free trial will be forfeited when a subscription is purchased. Privacy Policy: https://www.icloud.com/pages/06esymWNjEpTQKyTyk7xrSiLQ#Blank Terms of Use: https://www.icloud.com/pages/0b4ufgCLIPuBpn14hhoiELQOA#Blank_3

About

UB Trainer Session

Read full description

UB Trainer Session helps fitness professionals organize client sessions, workout blocks, notes, follow-ups, templates, and local history in one offline workspace. Create client profiles, build session plans, add exercise blocks, save equipment notes, set local reminders, and review completed sessions later. The app is designed for manual planning and organization, not medical guidance or guaranteed fitness outcomes. UB Trainer Session works well for personal trainers, fitness coaches, freelance instructors, and small studio trainers who want a structured way to manage repeated coaching work. Main Features - Trainer profile - Client profiles - Session plan builder - Exercise blocks - Equipment notes - Session notes - Local follow-up reminders - Reusable session templates - Completed session history - Local client search - Archive - Offline storage Premium Features - Unlimited clients - Unlimited session plans - Advanced session templates - Custom client fields - PDF and CSV export - Saved session versions - Advanced filters - Premium dashboard themes Why users love it UB Trainer Session keeps coaching work organized without needing a complex online system. You can prepare sessions, save notes, reuse templates, and keep a local history for each client. Important Note UB Trainer Session is a general fitness planning and business organization app. It does not provide medical advice, injury prevention guarantees, treatment recommendations, professional certification, financial advice, legal advice, emergency support, safety guidance, official records, or official monitoring. All clients, sessions, workout blocks, notes, reminders, templates, and exports are created and managed by the user. Start organizing training sessions with UB Trainer.

Screenshots

Ruler4 screens
UB Trainer Session4 screens

Verdict

The call

The clearest difference is in-app purchases: UB Trainer Session at none against Ruler's 7. Ruler's advantage is ads (none vs shown) and update cadence (every 2 days vs every 10 days). On price, device support and iOS requirement 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. Ruler sells 7 in-app purchases, starting at $2.99 per 7 days. UB Trainer Session asks for nothing beyond the download.

UpkeepUpdate frequency

Ruler ships an update every 2 days, UB Trainer Session every 10 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 6 level
Ruler versus UB Trainer Session: the parameters behind the verdict, then further details
ParameterRulerUB Trainer Session
PriceFreeFree
Rating5.0 (5 ratings) — better—
Number of ratings5 — better—
Update frequencyEvery 2 days — betterEvery 10 days
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationSubscription—
DevicesiPhoneiPhone
Requires iOS16.0 — better17.0
Further details — not scored
Size27 MB6 MB
Age rating4+4+
DeveloperMyroslav DrozdMichaela Klein

In-app purchases

7 purchases

Ruler

Subscriptions7
  • Smart Ruler3 Days trial$2.997 Days
  • Smart Ruler3 Days trial$4.997 Days
  • Smart Ruler3 Days trial$6.997 Days
Show 4 more
  • Smart Ruler$9.991 Year
  • Smart Ruler$14.991 Year
  • Smart Ruler$19.991 Year
  • Smart Ruler$24.991 Year
None

UB Trainer Session

No in-app purchases

Questions

Is Ruler free?
Ruler is free to download, with in-app purchases available.
Is UB Trainer Session free?
UB Trainer Session is free to download, with no in-app purchases.
Do Ruler or UB Trainer Session have ads?
UB Trainer Session shows ads; Ruler does not.
Which is updated more often, Ruler or UB Trainer Session?
Ruler ships an update every 2 days, and UB Trainer Session every 10 days. Most recently, Ruler was updated on October 30, 2026 and UB Trainer Session on October 31, 2026.

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