Comparison

Trial&Error vs SmallStepper

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

Head to head
About

Trial&Error

Read full description

Trail and error is an app that looks back on what you have done and how you can modify your actions to better achieve your goals. You can use this app like how you would use a sticky note on a board. Organize your thoughts and categorize them into what you have already tried , what you were able to accomplish, what you can try next. Similar to the KPT (keep, problem, try) method, this is a retrospective method. The content entered is saved on your device. not sent to a server. Making your data secure. Alternatively you can upload your note to iCloud for backup. In the future, if the number of users increases, we may add a function to share / post the described data, but when adding the function, sharing / posting will be executed by the user's operation. Details will be described in the version upgrade information. The functions of this application are as follows. [Function] ・List multiple things you want to achieve ・ A list of trial and error actions is displayed, such as "What to try", "What you could do", "What you understood", "What to do next". ・ Backup to iCloud and data loading from iCloud. [Terms of use] https://oz-app.blogspot.com/p/blog-page_5.html (You can switch languages ​​from Translate at the top of the page.) [Privacy policy] https://oz-app.blogspot.com/p/blog-page_38.html (You can switch languages ​​from Translate at the top of the page.)

About

SmallStepper

Features
Read full description

SmallStepper – A Simple Task Manager, Habit Tracker, and ADHD-Friendly Planner Too many things to do? Not sure where to start, even after making a to-do list? SmallStepper helps you focus by showing you just one small step at a time. Break down goals, routines, and everyday tasks into manageable steps. Instead of seeing an overwhelming list, the home screen displays only the one thing to do right now. No complicated dashboard. No information overload. Just one clear next step. SmallStepper can be used as a simple task manager, daily planner, habit tracker, routine planner, and productivity tool for anyone who finds traditional to-do lists overwhelming. 【How It Works】 1. Create a goal. 2. Break it down into small, achievable steps. 3. Focus on the single step shown on the home screen. 4. Complete it and move on to the next step. For example, when the developer finds it difficult to get out of bed in the morning, they use small steps such as: “Move my hands and feet” “Roll out of bed” “Drink some water” Even a difficult task can feel more manageable when it is broken down into tiny steps. 【Features】 ・Focus on one task at a time ・Break large goals into small, manageable steps ・Create morning routines, evening routines, and daily habits ・Use repeating goals to build consistent habits ・Sync your data across multiple devices, including iPhone, iPad, and Mac (Supporters only) ・Schedule reminders and task notifications ・Review completed tasks in your history ・Level up and unlock titles as you make progress ・Receive encouraging messages after completing a step ・Turn encouragement messages off in Settings ・Check your current step from an Apple Watch ・View your current task with a home screen widget ・Use Easy Japanese and multiple language options ・Simple and distraction-free interface 【Useful For】 ・ADHD-friendly planning ・Managing attention and distractibility ・Starting tasks when you feel overwhelmed ・Daily task management ・Habit tracking ・Morning and bedtime routines ・Studying and school assignments ・Work and productivity ・Tidying and household chores ・Remembering what to bring ・Breaking down large or stressful tasks SmallStepper was designed by a clinical psychologist with the aim of making task management easier for people who experience inattention, distractibility, executive function difficulties, or information overload. You do not have to complete everything at once. Focus on what you can do right now, take one small step, and create more moments of “I did it!” Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Trial&Error3 screens
SmallStepper4 screens

Verdict

The call

The clearest difference is ads: SmallStepper at none against Trial&Error's shown. Trial&Error's advantage is update cadence (weekly vs every 4 weeks) and iOS requirement (15.4 vs 18.2). On price, in-app purchases and device support 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. Trial&Error sells 2 in-app purchases, starting at $0.49 per month and SmallStepper sells 2 in-app purchases, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Trial&Error ships an update weekly, SmallStepper every 4 weeks. The most recent releases landed on September 13, 2026 and September 11, 2026 respectively.

Scorecard3 real differences · 3 level
Trial&Error versus SmallStepper: the parameters behind the verdict, then further details
ParameterTrial&ErrorSmallStepper
PriceFreeFree
Update frequencyWeekly — betterEvery 4 weeks
AdsYesNo — better
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS15.4 — better18.2
Further details — not scored
Size17 MB52 MB
Age rating4+4+
DeveloperNaruhito OzawaMariko Morita

In-app purchases

2 purchases

Trial&Error

Subscriptions1
  • Monthly fee$0.491 Month
One-time1
  • PremiumPlan(onetime-purchase)$2.99
2 purchases

SmallStepper

Subscriptions1
  • SmallStepperマンスリーサポーター$0.491 Month
One-time1
  • ライフタイムサポーター$9.99

Questions

Is Trial&Error free?
Trial&Error is free to download, with in-app purchases available.
Is SmallStepper free?
SmallStepper is free to download, with in-app purchases available.
Do Trial&Error or SmallStepper have ads?
Trial&Error shows ads; SmallStepper does not.
Which is updated more often, Trial&Error or SmallStepper?
Trial&Error ships an update weekly, and SmallStepper every 4 weeks. Most recently, Trial&Error was updated on September 13, 2026 and SmallStepper on September 11, 2026.

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