Comparison

Inferra Logic Sequences vs Memory Trainer

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

Head to head
About

Inferra Logic Sequences

Features
Read full description

Inferra — the logic game that puts your reasoning to the test. 480+ challenges are waiting to sharpen your mind. Number sequences, geometric patterns, word analogies, opposites and visual logic: find the hidden rule, reveal the answer, beat the clock. WHAT'S INSIDE • 480+ logic sequences across 5 themes • Number sequences — arithmetic, Fibonacci, odd/even • Opposites & analogies — symbols, concepts, antonyms • Geometric shapes — rotations, symmetries, patterns • Letters & words — alphabetical runs, vowels, anagrams • Visual logic — colours, grid patterns, transformations • 3 difficulty levels, from Easy to Hard • A timer on every question, and a streak bonus that rewards speed • A logic score that follows your progress • Detailed stats: accuracy, best streak, mastery per theme HOW IT WORKS Each game is 10 questions. Answer fast and keep your streak alive to push your score higher. Every answer comes with a one-line explanation of the rule, so you learn the pattern instead of guessing it. Perfect for puzzle lovers, logic game fans, students preparing for aptitude tests, and anyone who wants a few sharp minutes a day. Ready to decode the pattern? Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Memory Trainer

Features
Read full description

Span helps you practise remembering the number sequences that matter in everyday life. Start with a short measure in the same order and in reverse order, then train with a focused daily session built from three exercises: • recall digits in the same or reverse order • hold a sequence in mind while counting backwards • remember a six-digit verification code through a short distraction Your records stay personal. Span shows your own measurements and progress over time without rankings, percentiles, or medical claims. Training data stays on your device, and no account is required. FREE ACCESS • Initial number-recall measure • First daily session of the day • Personal records • Grouping lesson SPAN PREMIUM • Additional daily sessions • Free practice in same-order, reverse-order, and verification-code modes Span Premium is available as an annual or weekly auto-renewable subscription. Prices, billing periods, and any introductory offer are shown by the App Store before purchase and may vary by country. You can manage or cancel your subscription from your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.michaeldardol.com/span/privacy/

Screenshots

Inferra Logic Sequences4 screens
Memory Trainer4 screens

Verdict

The call

The clearest difference is in-app purchases: Memory Trainer at none against Inferra Logic Sequences's 3. Memory Trainer also leads on ads (none vs shown). Inferra Logic Sequences's advantage is iOS requirement (15.0 vs 17.0). On price and device support there is nothing between them.

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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Inferra Logic Sequences sells 3 in-app purchases, starting at $2.99 per month. Memory Trainer asks for nothing beyond the download.

Scorecard3 real differences Ā· 3 level
Inferra Logic Sequences versus Memory Trainer: the parameters behind the verdict, then further details
ParameterInferra Logic SequencesMemory Trainer
PriceFreeFree
Update frequencyWeekly—
AdsYesNo — better
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.0 — better17.0
Further details — not scored
Size48 MB11 MB
Age rating4+4+
DeveloperJulien meyermichael dardol

In-app purchases

3 purchases

Inferra Logic Sequences

Subscriptions2
  • premium$2.991 Month
  • premium$19.991 Year
One-time1
  • premium$49.99
None

Memory Trainer

No in-app purchases

Questions

Is Inferra Logic Sequences free?
Inferra Logic Sequences is free to download, with in-app purchases available.
Is Memory Trainer free?
Memory Trainer is free to download, with no in-app purchases.
Do Inferra Logic Sequences or Memory Trainer have ads?
Inferra Logic Sequences shows ads; Memory Trainer does not.

Other comparisons