Comparison

noteSUM vs Plainchecks

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

Head to head
About

noteSUM

Features
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noteSUM is an application that automatically calculates the sum of numerical values entered in a text. You can manage bank balances, total weight, total number of points, etc. by entering them all as single text without having to separate the numerical values from the note. Examples of use: - Credit card usage records - Household account book - Estimates - Salary calculation - Shopping - Pocketbook - Budget - Inventory management - Stock prices, etc. It also numbers extracted from notes are listed, and you can choose to include or exclude them from the total for each number. Other functions: - Record history of notes - Register favorite notes - Text sharing - Setting not to include the date number in the totalizer

About

Plainchecks

Read full description

Plainchecks is a habit tracker built on small daily checks. Just one thing: tap a check when you do the habit. That's it. You decide what counts. One push-up counts if you say it does. Reading one page counts. It's your call. Features โ€ข Tap a habit to check it โ€ข Month and year views โ€” your checks shown on a calendar โ€ข Daily share card โ€” a clean summary of today's checks, when you want to post one โ€ข iCloud sync (optional) โ€” share data across your devices Privacy Only when iCloud sync is on, your data is also stored in your private iCloud. Optional Tip Jar There is a Tip Jar in Settings. It is entirely optional. The app works the same whether you tip or not. For who For people tired of tracking numbers. For people who just want to record whether they did it.

Screenshots

noteSUM4 screens
Plainchecks4 screens

Verdict

The call

The clearest difference is ads: Plainchecks at none against noteSUM's shown. noteSUM's advantage is update cadence (monthly vs every 2 months) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. noteSUM sells 3 one-off in-app purchases and Plainchecks sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

noteSUM ships an update monthly, Plainchecks every 2 months. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

Scorecard4 real differences ยท 2 level
noteSUM versus Plainchecks: the parameters behind the verdict, then further details
ParameternoteSUMPlainchecks
PriceFreeFree
Update frequencyMonthly โ€” betterEvery 2 months
AdsYesNo โ€” better
In-app purchasesYesYes
DevicesiPhone, iPad, iPod โ€” betteriPhone
Requires iOS14.0 โ€” better26.0
Further details โ€” not scored
Size7 MB2 MB
Age rating4+4+
DeveloperKazuhiro SawamuraSEIRAN SOFT LLC

In-app purchases

3 purchases

noteSUM

One-time3
  • Number of History records$0.99
  • Number of Favorites$0.99
  • Hide Ads$2.99
3 purchases

Plainchecks

One-time3
  • Coffee$0.99
  • Lunch$2.99
  • Dinner$9.99

Questions

Is noteSUM free?
noteSUM is free to download, with in-app purchases available.
Is Plainchecks free?
Plainchecks is free to download, with in-app purchases available.
Do noteSUM or Plainchecks have ads?
noteSUM shows ads; Plainchecks does not.
Which is updated more often, noteSUM or Plainchecks?
noteSUM ships an update monthly, and Plainchecks every 2 months. Most recently, noteSUM was updated on October 10, 2026 and Plainchecks on October 7, 2026.

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