Comparison

Pacer | Stay on pace vs Interval Run

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

Head to head
About

Pacer | Stay on pace

This running app adapts your pace to your stride for improved performance. It offers personalized training plans, real-time voice feedback, and advanced tracking to help you reach your running goals. Seamlessly integrates with iPhone and Apple Watch.

Highlights
  • Real-time personalized pace adjustment
  • Custom workout plans
  • Live voice feedback
  • Advanced performance tracking
  • iPhone and Apple Watch integration
Read full description

Introducing Pacer, the must-have running app, now available on iPhone and Apple Watch! Pacer takes your running experience to the next level by adapting the pace to your stride. Whether you’re a beginner or a seasoned runner, Pacer helps you improve your performance and reach your goals. Main Features: * Real-time personalized pace: With Pacer’s stride detection technology, adjust your pace instantly for peak performance. * Custom workouts: Personalized training plans tailored to your level and goals, from endurance to speed. * Voice feedback: Live voice prompts guide and motivate you, helping you maintain pace and improve technique. * Advanced tracking: Monitor every step with detailed stats and comprehensive performance analysis. See your progress and tweak your training to push beyond limits. * Seamless integration: Sync Pacer with your iPhone and Apple Watch for a smooth and convenient experience, right on your wrist. Start running smarter today! Download Pacer and take your running to the next level. Whatever your goal, Pacer helps you crush it and enjoy every mile. Run faster, run with Pacer!

About

Interval Run

Read full description

Interval Run, a simple and elegant interval run timer. During interval running training, you can also use your mobile phone to time the training. * Click the button to start or end the timing; * After the training, you can see how many times you ran and how long each interval run took on average; * Supports 18 languages.

Screenshots

Pacer | Stay on pace4 screens
Interval Run3 screens

Verdict

The call

The clearest difference is update cadence: Pacer | Stay on pace at every 5 weeks against Interval Run's every 6 months. Pacer | Stay on pace also leads on device support (3 vs 1). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Pacer | Stay on pace ships an update every 5 weeks, Interval Run every 6 months. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

Scorecard2 real differences · 7 level
Pacer | Stay on pace versus Interval Run: the parameters behind the verdict, then further details
ParameterPacer | Stay on paceInterval Run
PriceFreeFree
Rating5.0 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 5 weeks — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS17.017.0
Further details — not scored
Size41 MB1 MB
Age rating4+9+
DeveloperAlberto Garcia-Munozataraxia chen

In-app purchases

None

Pacer | Stay on pace

No in-app purchases

None

Interval Run

No in-app purchases

Questions

Is Pacer | Stay on pace free?
Pacer | Stay on pace is free to download, with no in-app purchases.
Is Interval Run free?
Interval Run is free to download, with no in-app purchases.
Do Pacer | Stay on pace or Interval Run have ads?
Neither Pacer | Stay on pace nor Interval Run shows ads.
Which is updated more often, Pacer | Stay on pace or Interval Run?
Pacer | Stay on pace ships an update every 5 weeks, and Interval Run every 6 months. Most recently, Pacer | Stay on pace was updated on November 3, 2026 and Interval Run on November 8, 2026.

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