Comparison

Seqly vs Hydra Trainer

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

Head to head
About

Seqly

Enhance your cognitive abilities with this app that offers training for IQ, aptitude, and psychometric tests. It provides step-by-step explanations for solving number sequences, letter patterns, and abstract matrices.

Highlights
  • Number sequence solving
  • Letter pattern practice
  • Abstract visual reasoning training
  • Step-by-step explanations
  • IQ test preparation
  • Aptitude test preparation
Features
Read full description

Train smarter for IQ, aptitude & psychometric tests. Solve number sequences, letter patterns, and abstract matrices — with step-by-step explanations. Used by students preparing for Mensa, GMAT, GRE and corporate aptitude tests. Seqly is a powerful pattern and reasoning trainer designed for number sequences, alphabet logic, and abstract visual reasoning. Solve complex sequences instantly or train with assessment-style challenges used in aptitude tests, IQ tests, and logical reasoning exams. With Seqly you can: • Solve advanced numeric sequences • Practice alphabet and letter patterns • Train abstract and visual reasoning • See clear step-by-step explanations Stop guessing patterns. Start understanding them. Train your brain. See the pattern. Improve every day.

About

Hydra Trainer

This app offers targeted cognitive training for demanding selection processes, including police, special forces, and leadership courses. It features a variety of exercises to improve logical thinking, pattern recognition, memory, and attention, with adaptive difficulty and progress tracking.

Highlights
  • Number sequences and equations
  • Matrix and pattern recognition
  • Anagrams and word finding
  • Pauli-style arithmetic tests
  • Folding template test
  • Occluded motion test
  • Memory test
  • Stroop, d-Test & Form Focus Test
Features
Read full description

Hydra Psychology Trainer – targeted training for demanding selection processes Hydra Trainer is your training environment for cognitive performance – ideal for preparing for psychological aptitude tests in selection processes, e.g. for the police, special forces, leadership courses or other security-related professions. The app bundles typical test formats in a clear, iOS-inspired interface so you can practise in a structured way and track your progress. What to expect • Number sequences & equations Practise logical and mathematical thinking with number sequences and incomplete equations. The tasks become progressively more difficult and challenge your pattern recognition skills. • Matrix & pattern recognition Train your figurative-logical thinking with matrix tasks, as found in classic intelligence and aptitude tests. Perfect for grasping regularities and structures more quickly. • Anagrams & word finding Solve anagrams with a focus on nouns and infinitive verbs. This trains your word finding, concentration and spelling under time pressure. • Pauli-style arithmetic tests Continuous arithmetic under pressure: task formats based on the Pauli test help you to increase your speed and accuracy in mental arithmetic. • Folding Template Test Train your spatial awareness and mental rotation by identifying the correct folded shapes from folding templates. • Occluded Motion Test Train your ability to predict movements by determining the positions of objects that continue to move behind a screen. • Memory test Strengthen your working and short-term memory with tasks that require you to keep changing information in mind over several steps. • Stroop, d-Test & Form Focus Test Train selective attention and concentration: the Stroop test challenges interference control, the d-Test targets selective attention, and the adaptive Form Focus Test is inspired by the FAKT II. • Leaderboard & account Compete with others: sign in with Apple or Google and submit your test results to the leaderboard. You can delete your account and all submitted results directly in the app at any time. • Adaptive difficulty & evaluation Hydra Trainer adapts tasks and difficulty levels to your performance level. After each test, you receive feedback on errors and processing time so that you can work specifically on your weaknesses. • Concentration without distraction Sleek, system-oriented design in iOS style: clear typography, calm colours, no unnecessary ‘gamification’ ballast. You concentrate on the essentials – the task. Who is Hydra Trainer intended for? • Applicants for police, special forces, pilots, air traffic controllers, studies (especially medicine, psychology, pharmacy, etc.) • Participants in selection and leadership courses • Anyone who wants to train their cognitive performance in a structured way Note / Disclaimer Hydra Trainer is a training and exercise tool for preparing for performance and aptitude tests. The app is not a medical or psychological diagnostic or therapeutic tool and does not replace professional diagnosis. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula

Screenshots

Seqly4 screens
Hydra Trainer4 screens

Verdict

The call

The clearest difference is review sentiment: Seqly at 100% against Hydra Trainer's 0%. Seqly also leads on iOS requirement (15.1 vs 18.5). Hydra Trainer's advantage is monetization model (free vs free with in-app purchases). On price, update cadence, ads and in-app purchases 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. Seqly sells 1 one-off in-app purchase and Hydra Trainer sells 4 in-app purchases, starting at $17.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Seqly ships an update every 11 days, Hydra Trainer every 8 days. Both last shipped on October 30, 2026.

Scorecard3 real differences · 7 level
Seqly versus Hydra Trainer: the parameters behind the verdict, then further details
ParameterSeqlyHydra Trainer
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings1 — better—
Update frequencyEvery 11 daysEvery 8 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better18.5
Further details — not scored
Size144 MB52 MB
Age rating4+4+
DeveloperANIELLO DI POLITOMidnite Compile GmbH

Customer experience

Seqly

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Hydra Trainer

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

1 purchases

Seqly

One-time1
  • Seqly Pro$1.99
4 purchases

Hydra Trainer

Subscriptions3
  • Hydra Pro - 1 Month$17.991 Month
  • Hydra Pro – 6 Months$19.996 Months
  • Hydra Pro - 1 Year$44.991 Year
One-time1
  • Hydra Pro - Lifetime$79.99

Questions

Is Seqly free?
Seqly is free to download, with in-app purchases available.
Is Hydra Trainer free?
Hydra Trainer is free to download, with in-app purchases available.
Do Seqly or Hydra Trainer have ads?
Neither Seqly nor Hydra Trainer shows ads.
Which is updated more often, Seqly or Hydra Trainer?
Seqly ships an update every 11 days, and Hydra Trainer every 8 days. Most recently, Seqly was updated on October 30, 2026 and Hydra Trainer on October 30, 2026.

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