Comparison

Cubic Isles vs Missing Digits

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

Head to head
About

Cubic Isles

Features
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Cubic Isles Dive into Cubic Isles, a vibrant puzzle game where you use colorful cubes to paint the required number of small white platforms. Navigate through challenging levels, avoiding spikes, deceptive platforms, and platforms that delay your progress. Featuring: - Great Gameplay: Engaging and fun mechanics. - 92 Unique Levels: Test your skills across a variety of challenges. - Awesome Soundtrack and Sound Effects: Enhance your gaming experience with top-notch audio. Enjoy this unique puzzle game now and see if you can conquer the Cubic Isles!

About

Missing Digits

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Guessing won't fill the blanks. Logic will. Follow the carry from the ones column, and every hidden digit narrows to a single answer. Missing-digit arithmetic and classic cryptarithms, in one quiet app. • Free to start. No subscription • No third-party ads • Your records stay on this device ■ Your first puzzle Your first puzzle walks you through it, one column at a time. No need to know the rules. You can replay it anytime from How to Play in Settings. ■ Missing digits Part of a written sum is hidden. Fill in the blanks so the arithmetic works. • Easy: column addition • Normal: addition and single-digit multiplication, chosen so you can't just subtract your way through • Hard: long multiplication with partial products • Oni: 4×3-digit and 5×2-digit long multiplication Puzzles are generated on your device, so you never run out. ■ Cryptarithms Letters stand for digits, as in SEND + MORE = MONEY. Same letter, same digit; different letters, different digits. 119 puzzles built from everyday English words. ■ Exactly one answer Each puzzle starts as a completed sum, and digits are hidden only while a single answer remains. Every cryptarithm was chosen because it has one solution. ■ Today's puzzle and ranks One puzzle a day, the same for everyone. Weekdays are Normal; weekends are Hard long multiplication. Earn points as you solve and climb from 10th Kyu to Master. Your streak and a calendar keep your history visible. ■ Quiet help • Columns that can't work out are gently tinted (you can turn this off) • If you're truly stuck, a hint reveals a single cell ■ Chalk on a blackboard Deep green board, chalk-white digits, set vertically the way you'd write by hand. The board lights up gold when you solve it. On iPhone and iPad, the board grows to fit your screen. ■ Great for • Sudoku and crossword fans who want puzzles that actually use arithmetic • Anyone who'd rather deduce than drill • Kids preparing for entrance exams, and their parents • Building a small daily brain-training habit • Playing on planes and trains with no signal ■ Privacy • No account required • Puzzles are created inside the app; no connection needed to play • No tracking • To show other apps by the same developer, the app reads public App Store listings only. None of your data is sent

Screenshots

Cubic Isles3 screens
Missing Digits4 screens

Verdict

The call

The clearest difference is in-app purchases: Cubic Isles at none against Missing Digits's 1. Missing Digits's advantage is ads (none vs shown). On price, update cadence, 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

Both are free to download. Missing Digits sells 1 one-off in-app purchase. Cubic Isles asks for nothing beyond the download.

UpkeepUpdate frequency

Cubic Isles ships an update every 6 weeks, Missing Digits monthly. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 4 level
Cubic Isles versus Missing Digits: the parameters behind the verdict, then further details
ParameterCubic IslesMissing Digits
PriceFreeFree
Update frequencyEvery 6 weeksMonthly — better
AdsYesNo — better
In-app purchasesNo — betterYes
DevicesiPhoneiPhone, iPad — better
Requires iOS18.017.0 — better
Further details — not scored
Size12 MB1 MB
Age rating4+4+
DeveloperClaudio Souza Mattostorankirite

In-app purchases

None

Cubic Isles

No in-app purchases

1 purchases

Missing Digits

One-time1
  • Premium$4.99

Questions

Is Cubic Isles free?
Cubic Isles is free to download, with no in-app purchases.
Is Missing Digits free?
Missing Digits is free to download, with in-app purchases available.
Do Cubic Isles or Missing Digits have ads?
Cubic Isles shows ads; Missing Digits does not.
Which is updated more often, Cubic Isles or Missing Digits?
Cubic Isles ships an update every 6 weeks, and Missing Digits monthly. Most recently, Cubic Isles was updated on October 9, 2026 and Missing Digits on October 24, 2026.

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