Comparison

ChartRun vs One Small Step

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

Head to head
About

ChartRun

Visualize your running and walking performance history from Health data. Track distance, pace, heart rate, and more with detailed charts and lists. Share your workout summaries as PDFs.

Highlights
  • View data by day, week, or month
  • Chart and list views
  • Track distance, pace, heart rate, and more
  • Share workout info as PDF
  • Premium features: multi-year history, route maps, zone graphs
Read full description

ChartRun displays and graphs your run and walk history saved to Health. The data can come from any workout app that saves to Health including Apple Workouts, Garmin, Strava, etc. • View data by day, week, or month. • Chart and list views. • Distance, Pace, Heart Rate, Ascent, Cadence, Stride Length, Vertical Oscillation and Ground Contact • Splits available on Day List • Share workout info as a PDF Tap the gear icon to adjust settings. Upgrade to a Premium subscription to gain additional features: * Multiple years of history instead of default 31 days. * Month graphs and lists. * Insights like race history and best paces. * Workout route on map * Zone graphs for HR Zones, time in Pace or HR. * Compare training between 2 periods. As ChartRun gets data from Health, you must turn on the sources and accept the Health data access when prompted in the app in order to view charts. If you decline access in the app, you can turn access on in the Settings app under Privacy / Health / RunChart. Note that your workout recording device must capture data in order to graph it. Some devices do not capture all available data such as stride length or cadence. Terms of use follow the standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

One Small Step

This app helps you build a sustainable walking habit by setting realistic, achievable step goals that gradually increase over time. It focuses on personal progress and consistency, rather than demanding high step counts. Designed for individuals with fluctuating energy levels or those starting their fitness journey.

Highlights
  • Personalized step goals
  • Gradual goal progression
  • Focus on sustainable habits
  • Integrates with Apple Health
  • Guidance for daily movement
  • Builds user confidence
Features
Read full description

One Small Step is not about setting sky-high step goals and shaming you when you miss them. It is about building a sustainable walking habit that grows over time, wherever you're starting from. How it works 1. We look at your recent walking habits using Apple Health 2. One Small Step calculates a realistic, achievable step goal that sits just above your current level 3. With clear guidance and support, you start consistently reaching that goal 4. When you are ready, the goal is nudged up and the process repeats Reaching your goal is always a win, regardless of the number. For one person, 5,000 steps may feel impossible. For someone else, it may barely register. Progress is personal. One Small Step focuses on getting you to your own goal in a way that is sustainable and builds over time. Built for real life One Small Step is designed for people traditional step trackers do not work for, including: - People living with chronic illness or fluctuating energy levels - People who spend most of the day sitting and want walking to fit naturally into daily life - People starting from zero or rebuilding after injury - People becoming less active with age who want to maintain mobility and independence Making goals feel achievable Rather than focusing on step counts alone, One Small Step helps you see how to reach your personal goal for the day. We break your goal down into manageable walks so progress feels achievable and confidence builds naturally. When you know your goal and you are close to reaching it, you start spotting small opportunities to move more. That might look like: - Taking the stairs instead of an elevator - Going for a short walk during a break or while on a call - Parking slightly further away than usual Why walking this way matters Gradually increasing your daily steps is linked to better mood, improved sleep, healthier heart function, and maintaining mobility as you age. Small, consistent increases matter more than occasional big efforts. That is why One Small Step focuses on steady, achievable progress. No shame. No unrealistic expectations. Just steady progress that builds, one small step at a time. Terms of Service: https://onesmallstep.today/terms-of-service Privacy Policy: https://onesmallstep.today/privacy-policy

Screenshots

ChartRun4 screens
One Small Step4 screens

Verdict

The call

The clearest difference is update cadence: ChartRun at every 6 days against One Small Step's every 2 months. On price, rating, ratings volume and ads 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. ChartRun sells 2 in-app purchases, starting at $1.99 per month and One Small Step sells 1 in-app purchase, starting at $19.99 per year. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for ChartRun against 5.0 for One Small Step. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

ChartRun ships an update every 6 days, One Small Step every 2 months. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

Scorecard1 real difference · 8 level
ChartRun versus One Small Step: the parameters behind the verdict, then further details
ParameterChartRunOne Small Step
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyEvery 6 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhoneiPhone
Requires iOS17.0 — better18.0
Further details — not scored
Size22 MB26 MB
Age rating4+4+
DeveloperEPage, Inc.Serena Lambert

Customer experience

ChartRun

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

One Small Step

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

ChartRun

Subscriptions2
  • Premium7 Days trial$1.991 Month
  • Premium$19.991 Year
1 purchases

One Small Step

Subscriptions1
  • Premium Annual Subscription14 Days trial$19.991 Year

Questions

Is ChartRun free?
ChartRun is free to download, with in-app purchases available.
Is One Small Step free?
One Small Step is free to download, with in-app purchases available.
Which has better reviews, ChartRun or One Small Step?
ChartRun and One Small Step are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do ChartRun or One Small Step have ads?
Neither ChartRun nor One Small Step shows ads.
Which is updated more often, ChartRun or One Small Step?
ChartRun ships an update every 6 days, and One Small Step every 2 months. Most recently, ChartRun was updated on October 9, 2026 and One Small Step on October 12, 2026.

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