Comparison

CheckOne vs NatsuPlan

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

Head to head
About

CheckOne

Features
Read full description

CheckOne shows checklist items one at a time so you can confirm everything without missing anything. Create checklists for things you want to confirm in order, such as before going out, travel prep, leaving a hotel, before a meeting, gym items, morning routines, or bedtime routines. Instead of looking at a long checklist all at once, CheckOne shows the current item clearly and lets you move forward as you check each one. It helps you focus on the next thing to confirm. CheckOne also supports Apple Watch. You can view checklists, start a run, check items, and keep the run state in sync with iPhone. Templates are included so you can start quickly, and you can also create your own checklists from scratch. Features - Create and edit checklists - Create from templates - Run a checklist one item at a time - Move items later and optionally save the new order - Choose checklist colors - Sync run state with Apple Watch - Haptic feedback while checking items - Double Tap support on Apple Watch CheckOne Plus CheckOne Plus unlocks every feature with one purchase, including creating multiple checklists, choosing any color, and moving items later. Note: Double Tap is available on supported Apple Watch devices with watchOS 11 or later. Terms of Use: https://apps.mishimadesign.com/checkone/legal.html#terms-en

About

NatsuPlan

This app helps parents manage summer homework by automatically calculating daily tasks based on remaining days. It intelligently re-plans missed work and allows for buffer days, ensuring a stress-free completion of assignments.

Highlights
  • Automatic daily homework distribution
  • Smart re-planning for missed days
  • Exclusion of travel/off days
  • Buffer days for flexibility
  • Countdown for one-shot tasks
  • Calendar view of progress
  • Daily completion reminders
Features
Read full description

"It's the last day of vacation and the workbook still has 30 pages left..." — NatsuPlan is a planner for parents that prevents exactly that. Register the total amount of summer homework, and the app automatically calculates "today's share" from the days remaining. HOW IT WORKS 1. Set the vacation period 2. Register homework (e.g., Math workbook, 64 pages) 3. Every day the app shows "2 pages today" — tap when done WHY IT BEATS A PAPER SCHEDULE Missed a day? No problem. NatsuPlan silently re-distributes the remaining work over the remaining days, so one bad day never breaks the whole plan. FEATURES - Auto-distributes daily quota by remaining days (pages, sheets, questions, items, times) - Automatic catch-up re-planning when behind - Mark travel days as "days off" to exclude them from the plan - Keep the last 3 days free as buffer days - One-shot tasks (projects, book reports) managed with a due-date countdown - Calendar view of plans and actual records - Confetti celebration when everything is done for the day - Optional morning reminder notification FOR PARENTS - PRIVACY FIRST - No ads, no in-app purchases, no sign-up - Works completely offline; all records stay on your device - No fields for your child's name or any personal information End this vacation with a smile, not a scramble. Try NatsuPlan today.

Screenshots

CheckOne4 screens
NatsuPlan4 screens

Verdict

The call

The clearest difference is iOS requirement: NatsuPlan at 14.0 against CheckOne's 17.0. On price, ads, 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. CheckOne sells 1 one-off in-app purchase and NatsuPlan sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 7 level
CheckOne versus NatsuPlan: the parameters behind the verdict, then further details
ParameterCheckOneNatsuPlan
PriceFreeFree
Positive reviews—100.0% of reviews
Update frequency—Every 2 weeks
AdsNoNo
In-app purchasesYesYes
Monetization—Free
DevicesiPhone, Apple WatchiPhone, iPod
Requires iOS17.014.0 — better
Further details — not scored
Size14 MB3 MB
Age rating4+4+
DeveloperMishima DesignSHIN HOMMA

In-app purchases

1 purchases

CheckOne

One-time1
  • CheckOne Plus$9.99
1 purchases

NatsuPlan

One-time1
  • Premium (one-time)$1.99

Questions

Is CheckOne free?
CheckOne is free to download, with in-app purchases available.
Is NatsuPlan free?
NatsuPlan is free to download, with in-app purchases available.
Do CheckOne or NatsuPlan have ads?
Neither CheckOne nor NatsuPlan shows ads.

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