Comparison

Easlo Experiments vs One & Three

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

Head to head
About

Easlo Experiments

This app encourages an experimenter mindset for personal growth. Track new habits, routines, or products for a set duration, logging progress and observations. Review your trials to decide if they fit your life.

Highlights
  • Set custom experiment frequency and duration
  • Log progress with notes and photos
  • Home screen widgets for mindfulness
  • Assign reminders for experiments
  • Review and reflect on experiment outcomes
Features
Read full description

What if there’s a better way than blindly committing to goals and habits just because they’re recommended to us? By adopting the experimenter mindset, you can try new habits, routines, or products for a set number of days and see what actually works for you. Experiments helps you track these personal trials, letting you check in on your progress and log observations through notes or photos. At the end of your chosen duration, you can review and reflect on whether you want to continue with it. Key Features: · Set your own frequency and duration for each experiment. · Check in on your experiment and attach notes or photos. · Add home screen widgets to stay mindful of your ongoing experiments. · Assign reminders to your experiments for timely nudges. Experiment. Reflect. Repeat.

About

One & Three

This productivity app helps you focus on your most important tasks with a simple, minimalist design. It limits your daily focus to one main task and up to three supporting tasks, reducing overwhelm and decision fatigue.

Highlights
  • Focus on one main task daily
  • Add up to three supporting tasks
  • Minimalist and calming design
  • Quick entry with no distractions
  • Simple gestures and intuitive flow
  • Reduces decision fatigue
Read full description

Stay focused. Feel accomplished. One & Three is a radically simple to-do list app designed to work with your brain—not against it. Whether you’re neurodivergent, easily distracted, or just overwhelmed by endless lists, this app helps you focus on what really matters. How it works: • Choose One main task for the day • Add up to Three supporting tasks • That’s it—no complicated folders, categories, or endless scrolling This structure helps reduce decision fatigue and fight off the “too much to do” spiral. Built with ADHD brains in mind: • Minimal, calming design • Quick entry with no distractions • Simple gestures and intuitive flow We believe productivity doesn’t have to be overwhelming. One & Three is a small app with a big heart—designed to help you get through the day, one task at a time. Support the developer: One & Three will always be free. If you’d like to support the app, you can make a one-time purchase in the app to keep it going and to support the developer.

Screenshots

Easlo Experiments4 screens
One & Three4 screens

Verdict

The call

The clearest difference is update cadence: One & Three at daily against Easlo Experiments's every 3 weeks. One & Three also leads on rating (5.0 vs 4.6) and review sentiment (100% vs 90%). Easlo Experiments's advantage is ratings volume (22 vs 5). On price, ads, in-app purchases and monetization model 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. Easlo Experiments sells 1 one-off in-app purchase and One & Three sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

One & Three holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 22 and 5 respectively. Written reviews point the same way: 90% of Easlo Experiments's written reviews are positive against 100% of One & Three's.

UpkeepUpdate frequency

Easlo Experiments ships an update every 3 weeks, One & Three daily. The most recent releases landed on October 15, 2026 and October 4, 2026 respectively.

Scorecard4 real differences · 6 level
Easlo Experiments versus One & Three: the parameters behind the verdict, then further details
ParameterEaslo ExperimentsOne & Three
PriceFreeFree
Rating4.6 (22 ratings)5.0 (5 ratings) — better
Positive reviews90.0% of reviews100.0% of reviews — better
Number of ratings22 — better5
Update frequencyEvery 3 weeksDaily — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS17.0 — better17.6
Further details — not scored
Size5 MB4 MB
Age rating4+4+
DeveloperEaslo Pte. Ltd.Scott Curry

Customer experience

Easlo Experiments

All ratings22 ratings
Positive86.4%
Neutral9.1%
Negative4.5%
Written reviews30 reviews
Positive90.0%
Neutral0.0%
Negative10.0%

One & Three

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Easlo Experiments

One-time1
  • Experiments Pro$9.99
4 purchases

One & Three

One-time4
  • Small$1.99
  • Medium$4.99
  • Large$9.99
Show 1 more
  • Extra-Large$24.99

Questions

Is Easlo Experiments free?
Easlo Experiments is free to download, with in-app purchases available.
Is One & Three free?
One & Three is free to download, with in-app purchases available.
Which has better reviews, Easlo Experiments or One & Three?
One & Three is rated higher. Easlo Experiments averages 4.6 out of 5 from 22 ratings, while One & Three averages 5.0 from 5 ratings.
Do Easlo Experiments or One & Three have ads?
Neither Easlo Experiments nor One & Three shows ads.
Which is updated more often, Easlo Experiments or One & Three?
Easlo Experiments ships an update every 3 weeks, and One & Three daily. Most recently, Easlo Experiments was updated on October 15, 2026 and One & Three on October 4, 2026.

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