Comparison

Interval Timer vs PR Vault

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

PR Vault

Features
Read full description

PR Vault is the all-in-one fitness tracking app for anyone serious about progress — track your workouts, nutrition, body and goals in one place, and actually see the trend lines that prove you're improving. WORKOUT TRACKING • Log sets, reps and weight with a fast, built-for-the-gym interface • Automatic personal record detection, with a full PR Board showing your all-time bests • Progress charts per exercise — weight, volume and estimated 1RM over time, with trend projections and side-by-side exercise comparison • Built-in plate calculator and workout templates • Muscle recovery heatmap showing which muscle groups are fresh, recovering or overdue NUTRITION • Search and log from a database of 1.7M+ foods, or scan a barcode • Track calories, macros and micronutrients against your own daily targets • Save meals and recipes for one-tap re-logging • Water intake tracking BODY TRACKING • Log weight, body fat and body measurements over time • Visual progress photos and graphs • Set and track body goals GOALS & HABITS • Set numeric targets, build daily habits, or track milestone-based goals • Training calendar to plan and review your sessions FOR PERSONAL TRAINERS — PT CONNECT Trainers can upgrade to PT Pro to manage clients directly from PR Vault: assign workouts and nutrition plans, review client progress, message clients and manage bookings from a dedicated mobile & web dashboard. FREE TO USE PR Vault's core tracking tools are free, supported by ads. Premium removes ads and unlocks Progress charts, the muscle recovery heatmap, unlimited custom exercises and templates, and more — with monthly, annual and lifetime options. FREE TO USE PR Vault's core tracking tools are free, supported by ads. Premium removes ads and unlocks Progress charts, the muscle recovery heatmap, unlimited custom exercises and templates, and more — with monthly, annual and lifetime options. Terms of Use: https://prvaultapp.com/terms/ Questions or feedback? We read every message at support@prvaultapp.com.

Screenshots

Interval Timer4 screens
PR Vault4 screens

Verdict

The call

The clearest difference is update cadence: PR Vault at every 4 days against Interval Timer's every 9 days. Interval Timer's advantage is device support (4 vs 2) and iOS requirement (13.0 vs 16.2). On price, 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. Interval Timer sells 6 in-app purchases, starting at $0.99 per month and PR Vault sells 10 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Interval Timer ships an update every 9 days, PR Vault every 4 days. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

Scorecard3 real differences · 7 level
Interval Timer versus PR Vault: the parameters behind the verdict, then further details
ParameterInterval TimerPR Vault
PriceFreeFree
Rating4.5 (19K ratings) — better—
Positive reviews72.9% of reviews—
Number of ratings19K — better—
Update frequencyEvery 9 daysEvery 4 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad
Requires iOS13.0 — better16.2
Further details — not scored
Size143 MB90 MB
Age rating4+12+
DeveloperNEO PIXEL LABS PTE. LTD.PR VAULT LTD

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

PR Vault

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
10 purchases

PR Vault

Subscriptions9
  • Premium Monthly7 Days trial$6.991 Month
  • PT Pro Tier 1 (1 - 10 clients)1 Month trial$34.991 Month
  • Premium Annual7 Days trial$40.991 Year
Show 6 more
  • PT Pro Tier 2 (11-25 clients)1 Month trial$59.991 Month
  • PT Pro Tier 3 (26-50 clients)1 Month trial$109.991 Month
  • PT Pro Tier 4 (51-100 clients)1 Month trial$189.991 Month
  • PT Pro Tier 5 (101-200 clients)1 Month trial$339.991 Month
  • PT Pro Tier 6 (201-300 clients)1 Month trial$444.991 Month
  • PT Pro Tier 7 (301+ clients)1 Month trial$549.991 Month
One-time1
  • Premium Lifetime$119.99

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is PR Vault free?
PR Vault is free to download, with in-app purchases available.
Do Interval Timer or PR Vault have ads?
Both Interval Timer and PR Vault show ads.
Which is updated more often, Interval Timer or PR Vault?
Interval Timer ships an update every 9 days, and PR Vault every 4 days. Most recently, Interval Timer was updated on November 1, 2026 and PR Vault on October 29, 2026.

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