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Best Spaced Repetition Learning Apps for iPhone (2026)

16 apps ranked S through F · · Ranked by AppTierList, computed, never sold · JSON

Part of Flashcard Studying.

Quizlet: More than Flashcards is the top-ranked of 16 spaced repetition learning apps on iPhone, at S tier with 4.8/5 from 1,134,150 ratings.

  1. 1
    Quizlet: More than FlashcardsS
    Free + IAP · ★ 4.8 · 1,134,150 ratings · score 96
  2. 2
    AlgoApp - FlashcardsS
    Free + IAP · ★ 4.7 · 20,051 ratings · score 94
  3. 3
    Brainscape - Study FlashcardsS
    Free + IAP · ★ 4.8 · 21,548 ratings · score 93
  4. 4
    Spaced Repetition SmartCards+S
    Free download · ★ 4.6 · 2,307 ratings · score 91
  5. 5
    Noji - Flashcards study appA
    Free + IAP · ★ 4.6 · 13,995 ratings · score 83

What belongs in this list

Memorize facts for the long term by reviewing flashcards at timed intervals that adapt to how well each one is remembered.

Not here: Flashcards with a fixed review order alone; A language course with daily lessons alone; Quiz or test maker alone; Study reminders alone; Subject-specific lessons for coding or math alone

How we pick

For this list we ask the App Store the same searches a person would, in several countries, and keep every app it returns. A model reads each app's listing and rejects the ones that only mention the use case. Every app that stays is scored out of 100 from four parts, each 0 to 100 and averaged with no weights: its App Store rating, how many people rated it, where the App Store itself ranks it for this list's searches, and how recently its current version shipped. An app showing Apple's Editors' Choice badge gets a fifth part of 100, which can only lift its score. Tiers follow fixed score bands: S from 90, A from 80, B from 70, C from 60, D from 50, F below. Read the full method →

S
QuizletAlgoAppBrainscapeSpaced
A
Noji
B
LookUpPicmonic
C
GizmoWordPalLingvistChessbookTheaUleLearn
D
Flashcards by NKO
F
Flashcards Maker Flash Cards

Compare every app

  1. 1
    Quizlet: More than FlashcardsS
    Free + IAP · ★ 4.8 · 1,134,150 ratings · score 96 · best in class
  2. 2
    AlgoApp - FlashcardsS
    Free + IAP · ★ 4.7 · 20,051 ratings · score 94 · best in class
  3. 3
    Brainscape - Study FlashcardsS
    Free + IAP · ★ 4.8 · 21,548 ratings · score 93 · best in class
  4. 4
    Spaced Repetition SmartCards+S
    Free download · ★ 4.6 · 2,307 ratings · score 91 · best in class
  5. 5
    Noji - Flashcards study appA
    Free + IAP · ★ 4.6 · 13,995 ratings · score 83 · excellent
  6. 6
    LookUp: English Dictionary AppB
    Free + IAP · ★ 4.7 · 3,143 ratings · score 74 · good · provisional
  7. 7
    Picmonic Nursing School StudyB
    Free + IAP · ★ 4.9 · 21,233 ratings · score 70 · good · provisional
  8. 8
    Gizmo: AI TutorC
    Free + IAP · ★ 4.8 · 13,966 ratings · score 70 · situational · provisional
  9. 9
    WordPal - Vocabulary BuilderC
    Free + IAP · ★ 4.7 · 10,299 ratings · score 69 · situational · provisional
  10. 10
    Lingvist: Learn Languages FastC
    Free + IAP · ★ 4.6 · 3,706 ratings · score 68 · situational · provisional
  11. 11
    Chessbook - Master openingsC
    Free download · ★ 4.9 · 2,147 ratings · score 68 · situational · provisional
  12. 12
    Thea: Study SmartC
    Free + IAP · ★ 4.9 · 2,486 ratings · score 67 · situational · provisional
  13. 13
    Ule: learn English languageC
    Free download · ★ 4.6 · 3,253 ratings · score 67 · situational · provisional
  14. 14
    Learn Japanese Kanji: BenkyōC
    Free + IAP · ★ 4.7 · 3,529 ratings · score 66 · situational · provisional
  15. 15
    Flashcards by NKO: Flash CardsD
    Free download · ★ 4.9 · 2,049 ratings · score 55 · weak · provisional
  16. 16
    Flashcards Maker Flash CardsF
    Free download · ★ 4.5 · 1,903 ratings · score 38 · avoid · provisional

Questions people ask

What is the best spaced repetition learning app for iPhone?
Quizlet: More than Flashcards, S tier, ranked #1 of 16, rated 4.8 by 1,134,150 people.
Which spaced repetition learning apps are free?
16 of 16 are free to download: Quizlet: More than Flashcards (S), AlgoApp - Flashcards (S), Brainscape - Study Flashcards (S), Spaced Repetition SmartCards+ (S) and more. 11 of them sell in-app purchases.
Which spaced repetition learning app has the best App Store rating?
Chessbook - Master openings at 4.9 from 2,147 ratings.
How many spaced repetition learning apps reach S or A tier?
5 of 16.

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