Comparison

Interval Timer vs OOLab True Depth Foot Scanner

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

Head to head
About

Interval Timer

This app helps you manage workout intervals with customizable work and rest periods. It runs in the background and allows music playback, with options to save settings and share progress. Integrates with Apple Health for heart rate monitoring.

Highlights
  • Customizable sets, intervals, and rest times
  • Runs in background and with screen locked
  • Music playlist integration
  • Save settings as templates
  • Apple Health integration for heart rate
  • Post workouts to social media
Features
Read full description

***Free and reliable. Perfect for use at home, at the track or in the gym. We’re proud to introduce this handy little app that helps you keep track of your work and rest periods during workouts. Whether your into cycling, running, lifting weights, exercise, workout, stretching, boxing, MMA or HIT, this interval timer will prove to be an invaluable asset to you. Running foreground, background or with device locked, this reliable app allows you specify an overall time as well as program High/Low intensity interval and rest time between sets. Produced by Polycents! Key Features: - Customizable sets, high/low intensity interval and rest for your own need - Retina display, iOS4 and multitasking - Continue to run even when screen is locked - Play your song or playlist during your workout - Post your workout to Facebook or Twitter - Save settings as templates Customizable Features: - Number of Sets - Countdown Time - Set Time - Low Interval time - High Interval time - Rest Time - First Interval (low or high) - Sound Volume - Timer Sounds - Auto Lock - Vibrate - Pause during Rest - Playlist - New Each Set APPLE HEALTH: -Interval Timer can use Apple Health to show heart rate in Apple Watch App. # Subscription Details # - Monthly and annual subscriptions are available. - Payment will be charged to your iTunes account at confirmation of purchase. - Your subscription will automatically renew unless auto-renew is disabled at least 24 hours before the end of the current subscription period. - Automatic renewals will be charged at the same price you were originally charged for the subscription. - Subscriptions can be managed by going to Account Settings on the App Store after purchase. Terms of Use: https://www.iubenda.com/terms-and-conditions/18915396 Privacy Policy: https://www.iubenda.com/privacy-policy/18915396

About

OOLab True Depth Foot Scanner

Read full description

OOLab manufactures custom made foot orthoses to your prescription and specifications, using the highest quality materials. We are proud to present the fastest, most accurate scanning technology requiring no extra hardware, available on the latest iPhones. The user-friendly OOLab TrueDepth Scanner App produces a real-time view of the 3D foot model with instant feedback and visuals. The application is intended for registered and qualified clinical professionals, who can use the OOlab app to submit their orders. It enables you to create new orders according to your treatment plan and to attach 3D scans to your order. The app does not have diagnostic, measurement or medical expert system functions.

Screenshots

Interval Timer4 screens
OOLab True Depth Foot Scanner4 screens

Verdict

The call

The clearest difference is in-app purchases: OOLab True Depth Foot Scanner at none against Interval Timer's 8. OOLab True Depth Foot Scanner also leads on ads (none vs shown). Interval Timer's advantage is update cadence (every 9 days vs every 4 months). 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. Interval Timer sells 6 in-app purchases, starting at $0.99 per month. OOLab True Depth Foot Scanner asks for nothing beyond the download.

UpkeepUpdate frequency

Interval Timer ships an update every 9 days, OOLab True Depth Foot Scanner every 4 months. The most recent releases landed on October 13, 2026 and September 27, 2026 respectively.

Scorecard3 real differences · 7 level
Interval Timer versus OOLab True Depth Foot Scanner: the parameters behind the verdict, then further details
ParameterInterval TimerOOLab True Depth Foot Scanner
PriceFreeFree
Rating4.5 (19K ratings) — better—
Positive reviews72.9% of reviews—
Number of ratings19K — better—
Update frequencyEvery 9 days — betterEvery 4 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS13.0 — better14.0
Further details — not scored
Size143 MB47 MB
Age rating4+4+
DeveloperNEO PIXEL LABS PTE. LTD.Taika3D Oy

Bugs and requests

Interval Timer

Reported bugs

3 issues
  • Ads block functionality
  • App freezes or crashes
  • Timer doesn't work in background

Requested features

5 requests
  • Add notes to workouts
  • Provide workout history and analytics
  • Allow syncing with Apple Health
  • Improve Apple Watch integration
  • Add more customization options

OOLab True Depth Foot Scanner

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

Interval Timer

Subscriptions6
  • Plus - 1 Month$0.991 Month
  • Premium - 1 Month$1.991 Month
  • Plus - 1 Month$1.991 Month
Show 3 more
  • Premium - 1 Month$2.991 Month
  • Plus - 1 Year2 variants$4.991 Year
  • Premium - 1 Year7 Days trial2 variants$9.991 Year
None

OOLab True Depth Foot Scanner

No in-app purchases

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is OOLab True Depth Foot Scanner free?
OOLab True Depth Foot Scanner is free to download, with no in-app purchases.
Do Interval Timer or OOLab True Depth Foot Scanner have ads?
Interval Timer shows ads; OOLab True Depth Foot Scanner does not.
Which is updated more often, Interval Timer or OOLab True Depth Foot Scanner?
Interval Timer ships an update every 9 days, and OOLab True Depth Foot Scanner every 4 months. Most recently, Interval Timer was updated on October 13, 2026 and OOLab True Depth Foot Scanner on September 27, 2026.

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