Comparison

Cryptarithms vs UniUni ABC

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

Head to head
About

Cryptarithms

Solve challenging mathematical puzzles where letters represent digits in arithmetic equations. This app offers 90 cryptarithms with translations into six languages, requiring only basic math and logical reasoning skills.

Highlights
  • Letter-to-digit substitution puzzles
  • Logical reasoning challenges
  • Arithmetic equality solving
  • 90 unique cryptarithms
  • Translations into 6 languages
Features
Read full description

The ability to sum numbers and perform logical reasoning are the only skills required for solving cryptarithms. Nevertheless, these puzzles are often witty and challenging to solve. A cryptarithm is a mathematical puzzle where digits in an arithmetic equality are replaced by letters. It is defined so that distinct letters correspond to distinct digits. Moreover, when the letters are converted back by the original digits, the resulting equality must be valid. The problem is to find the original digits. 90 сryptarithms with their translations to 6 languages are presented. Enjoy!

About

UniUni ABC

This interactive app uses a virtual picture book format with vibrant visuals and professional audio to help children develop phonics and pronunciation skills. It features speech recognition technology for accurate practice and engaging animations to stimulate imagination.

Highlights
  • Interactive phonics and pronunciation practice
  • Speech recognition technology
  • Virtual picture book format
  • Vibrant 3D visuals and animations
  • Professional voice actor recordings
  • Guided listening and speaking exercises
Features
Read full description

Meet Mr. UniUni, your child’s phonics companion! UniUniABC is an interactive learning app designed to help children develop phonics and pronunciation skills. With vibrant visuals, immersive audio, and guided listening and speaking exercises, learning becomes both effective and enjoyable. 1 Learn and practice everywhere! - UniUniABC is a virtual picture book which gradually introduces kids to modern devices. - UniUniABC features the latest speech recognition technology in order to offer prompt and accurate results when practicing the target words. - Colorful and interactive animations will amaze your children and stimulate their imagination. 2 Visual Traits - 3D modeling, original illustrations, physics engine etc. were adopted in order to offer a visually entertaining experience. - UniUniABC is presented in a picture book fashion with lots of animals and characters specifically designed for this app. 3) Realistic and original sounds - More than 500 lines recorded by professional voice actors. - All the sounds present in UniUniABC were specifically made only for this application. — UniUni ABC is only compatible with devices running iOS 10 or later.

Screenshots

Cryptarithms3 screens
UniUni ABC4 screens

Verdict

The call

The clearest difference is rating: Cryptarithms at 5.0 against UniUni ABC's 4.4. Cryptarithms also leads on price ($1.99 vs $3.99) and iOS requirement (12.0 vs 15.6). UniUni ABC's advantage is update cadence (every 3 months vs every 41 months) and ratings volume (5 vs 1). On ads, in-app purchases, monetization model 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

Cryptarithms costs $1.99 and UniUni ABC $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Cryptarithms holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: UniUni ABC has 5 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Cryptarithms ships an update every 41 months, UniUni ABC every 3 months. Both last shipped on October 8, 2026.

Scorecard5 real differences · 5 level
Cryptarithms versus UniUni ABC: the parameters behind the verdict, then further details
ParameterCryptarithmsUniUni ABC
Price$1.99 — better$3.99
Rating5.0 (1 ratings) — better4.4 (5 ratings)
Positive reviews—33.3% of reviews
Number of ratings15 — better
Update frequencyEvery 41 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.6
Further details — not scored
Size7 MB700 MB
Age rating4+4+
DeveloperRoman KoksharovFuminori Homma

Customer experience

Cryptarithms

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

UniUni ABC

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

In-app purchases

None

Cryptarithms

No in-app purchases

None

UniUni ABC

No in-app purchases

Questions

Is Cryptarithms free?
Cryptarithms costs $1.99, with no in-app purchases.
Is UniUni ABC free?
UniUni ABC costs $3.99, with no in-app purchases.
Which has better reviews, Cryptarithms or UniUni ABC?
Cryptarithms is rated higher. Cryptarithms averages 5.0 out of 5 from 1 ratings, while UniUni ABC averages 4.4 from 5 ratings.
Do Cryptarithms or UniUni ABC have ads?
Neither Cryptarithms nor UniUni ABC shows ads.
Which is updated more often, Cryptarithms or UniUni ABC?
Cryptarithms ships an update every 41 months, and UniUni ABC every 3 months. Most recently, Cryptarithms was updated on October 8, 2026 and UniUni ABC on October 8, 2026.

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