Comparison

InkDeck vs Hypothesis Test

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

Head to head
About

InkDeck

Create and study flashcards with handwritten notes and drawings. Supports spaced repetition, multiple study modes, and engaging games to make learning fun. Syncs across devices via iCloud without an account.

Highlights
  • Handwritten notes and drawings
  • Spaced repetition system
  • Multiple study modes (Quiz, Typing, Match)
  • Four built-in study games
  • Import Anki and CSV decks
  • Progress tracking and stats
  • iCloud sync across devices
Features
Read full description

InkDeck is the flashcard app you write by hand. Every card is a real drawing canvas — sketch diagrams, write formulas, practise kanji with Apple Pencil or your finger. One-time purchase. No subscription, no trial countdown, no AI upsell. BRING YOUR ANKI DECKS Import .apkg files properly — Ink reads the collection database and brings your images and audio across, not just the text. CSV import works too, and you can export to .inkdeck. STUDY FIVE WAYS • Standard Review — flip and self-rate, with spaced repetition that schedules each card at the right time, plus reminders • Quiz — four-choice questions with instant feedback • Typing — type your answer, with fuzzy matching so a typo isn't marked wrong • Match — tap to pair terms; Quick Fire, Batch Submit or Sliding Window • Cloze Deletion — fill in the blank from context FOUR GAMES BUILT IN Card Shooter, Balloon Pop, Pair Hunt and Word Forge turn review into something you'll actually open. RICH CARDS • Mix handwriting and typed text on the same card • Images, backgrounds and colour gradients • Record audio for pronunciation practice • Markdown for formatted text • Organise with groups, topics and tags TRACK YOUR PROGRESS A calendar heatmap, review history, correctness stats and retention curves show exactly how you're improving. Keep your streak alive. SYNCS, NO ACCOUNT Your decks sync over iCloud across iPhone and iPad. No sign-up, no account to create. Available in 11 languages: English, Spanish, French, German, Japanese, Korean, Portuguese, Russian, Turkish, Arabic and Chinese. Free to download with 3 sets of 10 cards. One purchase unlocks everything, forever, on every device on your Apple ID. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Hypothesis Test

Perform Type I Error hypothesis testing with customizable null hypotheses and sample sizes. Calculate alpha errors or acceptance/rejection ranges with detailed, step-by-step solutions. Save and share your calculations.

Highlights
  • Type I Error hypothesis testing
  • Calculate alpha error
  • Calculate acceptance/rejection range
  • Right, left, or bilateral tests
  • Step-by-step solution display
  • Calculation history
  • Shareable results
Features
Read full description

This app provides the ability to perform Type I Error hypothesis testing. The null hypothesis and sample size can be specified. Depending on the selected mode, the alpha error or the acceptance or rejection range can be calculated. The different modes offer the possibility of performing right-sided, left-sided or bilateral tests. For this purpose, k1 and/or k2 can be specified for mode I or II. Various modifications can be made to calculate the acceptance and rejection ranges. It is important to note whether X should be greater than/equal to or less than/equal to k. P(X)≤ α is always assumed. The solution is shown step by step. All calculations are saved in history. The final solution can be shared. [ Contents ] - 2 modes to calculate alpha error with right, left or bilateral tests - 4 modes for calculating acceptance and rejection range depending on α - Results are calculated and displayed in detail - History to save input - detailed solution - Natural numbers and decimal numbers are supported depending on the variable - no ads! [ Use ] - There are fields for entering values using a special keyboard - Click on the checkmark button at the bottom right to start the calculation - If values are missing, the corresponding field is highlighted in yellow - If the values are incorrect, the affected field is highlighted in red - a short message explains why a value is incorrect - The entries in the history can be deleted or sorted - When you select an entry in the history, it is automatically loaded for calculation - All history can be deleted at the touch of a button - Solutions can be shared

Screenshots

InkDeck4 screens
Hypothesis Test4 screens

Verdict

The call

The clearest difference is price: InkDeck at Free against Hypothesis Test's $1.99. InkDeck also leads on update cadence (every 9 days vs monthly). Hypothesis Test's advantage is rating (5.0 vs 4.0) and in-app purchases (none vs 3). On ratings volume, ads, 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

InkDeck is free to download; Hypothesis Test costs $1.99 up front. InkDeck sells 3 in-app purchases, starting at $2.99 per month. Hypothesis Test asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Hypothesis Test holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

InkDeck ships an update every 9 days, Hypothesis Test monthly. The most recent releases landed on September 18, 2026 and September 21, 2026 respectively.

Scorecard5 real differences · 4 level
InkDeck versus Hypothesis Test: the parameters behind the verdict, then further details
ParameterInkDeckHypothesis Test
PriceFree — better$1.99
Rating4.0 (1 ratings)5.0 (1 ratings) — better
Number of ratings11
Update frequencyEvery 9 days — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS16.015.0 — better
Further details — not scored
Size18 MB180 MB
Age rating4+4+
DeveloperMuhammad MukhtarGlindemann, Sennoun, Langer GbR

Customer experience

InkDeck

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

Hypothesis Test

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

In-app purchases

3 purchases

InkDeck

Subscriptions2
  • App Access For 1 Month7 Days trial$2.991 Month
  • App Access For 1 Year7 Days trial$24.991 Year
One-time1
  • Unlimited cards$7.99
None

Hypothesis Test

No in-app purchases

Questions

Is InkDeck free?
InkDeck is free to download, with in-app purchases available.
Is Hypothesis Test free?
Hypothesis Test costs $1.99, with no in-app purchases.
Which has better reviews, InkDeck or Hypothesis Test?
Hypothesis Test is rated higher. InkDeck averages 4.0 out of 5 from 1 ratings, while Hypothesis Test averages 5.0 from 1 ratings.
Do InkDeck or Hypothesis Test have ads?
Neither InkDeck nor Hypothesis Test shows ads.
Which is updated more often, InkDeck or Hypothesis Test?
InkDeck ships an update every 9 days, and Hypothesis Test monthly. Most recently, InkDeck was updated on September 18, 2026 and Hypothesis Test on September 21, 2026.

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