Comparison

Summertime Challenge vs DPL Strength

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

Head to head
About

Summertime Challenge

This program encourages physical activity through a gamified experience, rewarding progress with animated visuals and unlocking nostalgic images. It integrates with health apps and offers social features for individual or team participation.

Highlights
  • Gamified progress tracking
  • Unlockable memory images
  • Apple Health integration
  • Individual and team modes
  • Daily well-being tips
  • Social support features
Features
Read full description

Summertime is an all-things-summer physical activity program that transports you back to the vitality of childhood. Features include: • Experiencing progress by earning fireflies in an animated summer night scene • Fond memory-inducing images revealed by tracking physical activity • Connect Summertime to Apple's Health app to automatically import your step count • Individual and team participation • Practical daily well-being tips • Wall and Friends components for support and camaraderie. Note: Summertime syncs with the web version through your organization’s wellness program; you must create your account on the web version before you can use the mobile app.

About

DPL Strength

Features
Read full description

Strength and cycling training built for endurance athletes — coached, not guessed. DPL Strength is a structured training platform for mountain bikers and road cyclists who want real strength and smarter riding without sacrificing time or risking injury. No generic plans — every program is built by a coach who understands the demands of your sport. What you get: • 8-week structured strength programs — built for mountain biking, road cycling off-season and in-season, and beginners • Dedicated Mountain and Road cycling training programs, with ride-specific logging for time and distance • A new Workout of the Week to keep your training fresh and challenge you outside your regular program • Every exercise includes a coach's cue, so you're never guessing on form • Log your sessions and track your progress — sets and weight for strength, or time and distance for rides • Searchable exercise video library — see proper form for every movement • Direct messaging with your coach — ask questions, get form checks, real replies within 24 hours • Coach announcements keep you up to date as new programs roll out Built around a simple system: Clear rep ranges and straightforward rules for strength. Prescribed zones and honest logging for rides. No overcomplicated plans — just a program you can actually follow, week after week. Choose the plan that fits: Pro gives you either Strength or Cycling programs; Premium unlocks both. New programs are added regularly to keep your training fresh as you progress through different phases of your season. DPL Strength is available by subscription purchasable directly in-app or at durableperformancelab.com Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Summertime Challenge4 screens
DPL Strength4 screens

Verdict

The call

The clearest difference is in-app purchases: Summertime Challenge at none against DPL Strength's 1. DPL Strength's advantage is update cadence (fortnightly vs every 3 months). On price, ads, 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. DPL Strength sells 1 in-app purchase, starting at $34.99 per month. Summertime Challenge asks for nothing beyond the download.

UpkeepUpdate frequency

Summertime Challenge ships an update every 3 months, DPL Strength fortnightly. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

Scorecard2 real differences · 8 level
Summertime Challenge versus DPL Strength: the parameters behind the verdict, then further details
ParameterSummertime ChallengeDPL Strength
PriceFreeFree
Rating3.7 (3 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 3 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.015.0
Further details — not scored
Size122 MB9 MB
Age rating4+4+
DeveloperHealth Enhancement SystemsMichael Clark

In-app purchases

None

Summertime Challenge

No in-app purchases

1 purchases

DPL Strength

Subscriptions1
  • DPL Strength$34.991 Month

Questions

Is Summertime Challenge free?
Summertime Challenge is free to download, with no in-app purchases.
Is DPL Strength free?
DPL Strength is free to download, with in-app purchases available.
Do Summertime Challenge or DPL Strength have ads?
Neither Summertime Challenge nor DPL Strength shows ads.
Which is updated more often, Summertime Challenge or DPL Strength?
Summertime Challenge ships an update every 3 months, and DPL Strength fortnightly. Most recently, Summertime Challenge was updated on October 2, 2026 and DPL Strength on October 1, 2026.

Other comparisons