Comparison

Custom Keyboard vs Simple Calculator.

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

Head to head
About

Custom Keyboard

Enhance your texting experience with a dedicated emoji row that offers fast and customizable access to your favorite emojis. Personalize your keyboard layout with up to 30 emojis and an optional number row.

Highlights
  • Dedicated emoji row
  • Customizable emoji selection
  • Up to 30 favorite emojis
  • Optional number row
  • Functions like original keyboard
  • Fast emoji access
Features
Read full description

Love emojis? Get the coolest emoji keyboard out there! -------------- Emoji row keyboard is specially designed for emoji addicts with a dedicated extra row just for emojis The row is totally customizable so you can add all of your favorite emojis and have fast and smooth access to them while texting. The row shows more emojis as you change between letters and symbols on your keyboard, giving you the ability to add up to 30 emojis of your choosing to your favorite shortlist. Emoji row keyboard looks and functions like your original keyboard, but with an extra emoji row added to it. You can even customize the keyboard and have a number row on top of QWERTY while keeping the emoji row on your keyboard when you switch to symbols. Emoji row keyboard is fun to use and totally customizable! Explore its new possibilities. Get creative and make it your own!

About

Simple Calculator.

A straightforward calculator designed for speed and accuracy, mimicking classic pocket calculators. It offers real-world logic, business-focused calculations like cost, sell, and margin, and a clean interface for effortless use.

Highlights
  • Real-world logic, no forced order of operations
  • Running total display
  • Cost, sell, margin calculations
  • Add/subtract percentages in one step
  • Clean, intuitive interface with large buttons
  • Minimal, non-intrusive ads
Features
Read full description

This is the calculator that gets it right—built for professionals, retailers, and anyone who needs fast, accurate math without the complexity. • Work smarter with real-world logic No forced order of operations—just like a classic pocket calculator with a running total. • Perfect for business use Easily handle cost, sell, and margin calculations. Add or subtract percentages in one step. • Clean, intuitive interface Large, labeled buttons and a crisp display make every calculation effortless. • Reliable and distraction-free Minimal ads, never intrusive—so you can stay focused, even in front of clients. Inspired by the Casio calculators you know and trust—modernized for your iPhone/ iPad. Download now and make everyday math faster, clearer, and smarter.

Screenshots

Custom Keyboard4 screens
Simple Calculator.4 screens

Verdict

The call

The clearest difference is price: Simple Calculator. at Free against Custom Keyboard's $1.99. Simple Calculator. also leads on ratings volume (1.6K vs 1) and update cadence (every 3 months vs every 8 months). Custom Keyboard's advantage is ads (none vs shown) and review sentiment (100% vs 65%). On in-app purchases, 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

Simple Calculator. is free to download; Custom Keyboard costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Custom Keyboard holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Simple Calculator. has 1.6K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Custom Keyboard's written reviews are positive against 65% of Simple Calculator.'s.

UpkeepUpdate frequency

Custom Keyboard ships an update every 8 months, Simple Calculator. every 3 months. The most recent releases landed on November 4, 2026 and November 6, 2026 respectively.

Scorecard7 real differences · 3 level
Custom Keyboard versus Simple Calculator.: the parameters behind the verdict, then further details
ParameterCustom KeyboardSimple Calculator.
Price$1.99Free — better
Rating5.0 (1 ratings) — better4.6 (1.6K ratings)
Positive reviews100.0% of reviews — better65.1% of reviews
Number of ratings11.6K — better
Update frequencyEvery 8 monthsEvery 3 months — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaidAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size21 MB5 MB
Age rating4+4+
DeveloperMO NOURtasser gyati

Customer experience

Custom Keyboard

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Simple Calculator.

All ratings1,599 ratings
Positive91.2%
Neutral3.3%
Negative5.4%
Written reviews126 reviews
Positive65.1%
Neutral7.9%
Negative27.0%

Bugs and requests

Custom Keyboard

Not enough reviews yet to summarise bugs or requests.

Simple Calculator.

Reported bugs

2 issues
  • Incorrect calculation results in some cases
  • Ads appearing during critical usage scenarios

Requested features

3 requests
  • Add a dedicated 'C' clear button
  • Provide more customization options for key layout
  • Implement a history/memory function

In-app purchases

None

Custom Keyboard

No in-app purchases

None

Simple Calculator.

No in-app purchases

Questions

Is Custom Keyboard free?
Custom Keyboard costs $1.99, with no in-app purchases.
Is Simple Calculator. free?
Simple Calculator. is free to download, with no in-app purchases.
Which has better reviews, Custom Keyboard or Simple Calculator.?
Custom Keyboard is rated higher. Custom Keyboard averages 5.0 out of 5 from 1 ratings, while Simple Calculator. averages 4.6 from 1.6K ratings.
Do Custom Keyboard or Simple Calculator. have ads?
Simple Calculator. shows ads; Custom Keyboard does not.
Which is updated more often, Custom Keyboard or Simple Calculator.?
Custom Keyboard ships an update every 8 months, and Simple Calculator. every 3 months. Most recently, Custom Keyboard was updated on November 4, 2026 and Simple Calculator. on November 6, 2026.

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