Comparison

Folder Note and String Counter vs Missing Number Calculator

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

Head to head
About

Folder Note and String Counter

Organize notes into folders with character limits and count differences. Features text-to-speech, customization options, and iCloud backup. Ideal for users needing structured note-taking.

Highlights
  • Folder organization
  • Character count limits per folder
  • Text-to-speech with position tracking
  • Customizable font and background
  • iCloud data backup
  • Search functionality
Features
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This is a simple notepad that can be easily divided into folders. You can set the maximum number of characters in a folder, so you can see the difference in the number of characters you can enter. You can read out the text by pressing and holding the data displayed in the list, or by double tapping the specified position on the input screen. If you read out the text on the input screen, you can check the position where the text is being read out. Functions Swipe to switch folders. Maximum number of characters per folder can be set. Character count difference display. The total number of characters is displayed for each folder. Memo is read out loud by long push of the list. Support for horizontal screen display. The deletion of the memo at once and the movement of the category are possible. The size, color, and style of the font of the input screen can be changed. The background color of the input screen can be changed. Open the browser immediately from the input screen. You can open the browser right from the input screen, or close the keyboard after entering a link. Peek and Pop support (3DTouch compatible devices only) Memo character count, copy, and share functions. Data backup with iCloud. Changeable theme color. Adjustable speed of text-to-speech. Looped playback of text-to-speech. Text search in memo. The title of the memo is possible. It is recommended for those who want to make memos in folders. Please use it. Also, if you have any requests or problems, please let us know from the review or settings screen. We will consider and respond at any time. We look forward to working with you. Restore when changing phones When you change your phone model, you can restore the previously purchased paid version for free. (Please log in to iTunes on your iPhone or iPad with the same AppleID as when you purchased the app. Confirmation and cancellation Select "Recommended" at the bottom of the AppStore app-> Select Apple ID-> Select "Show Apple ID" -> Select from "Manage" in the subscription. From this screen, you can check the timing of the next auto-renewal and cancel/set the auto-renewal. About auto-renewal billing The free trial is valid only for the first time. If you do not cancel more than 24 hours prior to the end of the trial period, you will be billed automatically after the 2-week free trial ends. If you do not cancel the auto-renewal more than 24 hours before the end of the trial period, your subscription will be automatically renewed. You will be billed for the auto-renewal within 24 hours before the end of the subscription period. Notes If you have been billed in the app, you cannot cancel by any method other than the above. Cancellation for the current month will not be accepted. You will be billed via your iTunes account. Terms of Use https://nilcraft.jp/terms_en

About

Missing Number Calculator

Features
Read full description

Instantly solve missing number math puzzles! Find the value of the blank with this intuitive calculator app. Missing Number Calculator lets you solve equations with a missing value. Enter a math expression with a blank, and the app finds the answer instantly. Perfect for learning, practice, or fun!

Screenshots

Folder Note and String Counter4 screens
Missing Number Calculator1 screens

Verdict

The call

The clearest difference is price: Folder Note and String Counter at Free against Missing Number Calculator's $0.99. Missing Number Calculator's advantage is in-app purchases (none vs 6) and ads (none vs shown). On device support and iOS requirement 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

Folder Note and String Counter is free to download; Missing Number Calculator costs $0.99 up front. Folder Note and String Counter sells 6 in-app purchases, starting at $4.99 per month. Missing Number Calculator asks for nothing beyond the download.

UpkeepUpdate frequency

Folder Note and String Counter ships an update every 2 months, Missing Number Calculator every 3 days. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level
Folder Note and String Counter versus Missing Number Calculator: the parameters behind the verdict, then further details
ParameterFolder Note and String CounterMissing Number Calculator
PriceFree — better$0.99
Rating4.9 (10 ratings) — better—
Positive reviews66.1% of reviews—
Number of ratings10 — better—
Update frequencyEvery 2 monthsEvery 3 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.0
Further details — not scored
Size171 MB6 MB
Age rating17+4+
DeveloperNilCraft Inc.Infinity Inc. (Apps)

In-app purchases

6 purchases

Folder Note and String Counter

Subscriptions6
  • Premium features/monthly7 Days trial$4.991 Month
  • Premium features/monthly14 Days trial$4.991 Month
  • Premium Features/Half Yearly7 Days trial$24.996 Months
Show 3 more
  • Premium Features/Half Yearly14 Days trial$24.996 Months
  • Premium features/year$49.991 Year
  • Premium features/year14 Days trial$49.991 Year
None

Missing Number Calculator

No in-app purchases

Questions

Is Folder Note and String Counter free?
Folder Note and String Counter is free to download, with in-app purchases available.
Is Missing Number Calculator free?
Missing Number Calculator costs $0.99, with no in-app purchases.
Do Folder Note and String Counter or Missing Number Calculator have ads?
Folder Note and String Counter shows ads; Missing Number Calculator does not.
Which is updated more often, Folder Note and String Counter or Missing Number Calculator?
Folder Note and String Counter ships an update every 2 months, and Missing Number Calculator every 3 days. Most recently, Folder Note and String Counter was updated on November 2, 2026 and Missing Number Calculator on October 30, 2026.

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