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100 app ideas

Small apps you can build just by describing them to Claude. Pick one, describe it, refine it.

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Everyday utilities

10 ideas

1Bill and tip splitter: split a restaurant bill and the tip among friendseasy

2Unit converter: switch between length, weight, temperature, and volumeeasy

3Countdown to any date: show the days left until an event you chooseeasy

4Decision spinner: type in options and let a wheel pick oneeasy

5QR code maker: turn a link or note into a scannable codeeasy

6Multi-timer: run several labeled timers at once (laundry, parking, tea)easy

7Passphrase generator: create strong, memorable passwords and rate themeasy

8Discount calculator: work out a sale price and how much you savedeasy

9Timezone meeting helper: find a good time across a few citiesmedium

10Text tidy tool: fix capitals and strip out extra spaces or line breakseasy

Home, kitchen, and garden

10 ideas

11Recipe box: save, search, and scale your favorite recipesmedium

12Dinner picker: choose a random meal from your own listeasy

13Pantry tracker: log what is in the cupboard and flag what expires soonmedium

14Aisle-sorted grocery list: add items and group them by store sectionmedium

15Weekly meal planner: slot meals into each day and build a shopping listmedium

16Plant watering log: track when each plant was last wateredmedium

17Planting calendar: see what to sow or plant by seasonmedium

18Home upkeep reminders: nudge for filters, smoke-alarm batteries, and guttersmedium

19Cost-per-serving calculator: price a recipe and divide by portionsmedium

20Use-it-up helper: suggest meals from ingredients you already havemedium

Health, fitness, and wellness

10 ideas

21Water tracker: tap to log glasses and see your daily totaleasy

22Walk log: record daily steps or minutes with a weekly chartmedium

23Habit tracker: check off a few daily habits and keep a streakmedium

24Medication schedule: list doses and when to take themmedium

25Mood journal: note how you feel each day and watch the trendmedium

26Routine timer: run a stretch or exercise routine with timed stepseasy

27Sleep log: record bedtime, wake time, and how you sleptmedium

28Breathing guide: follow an animated box-breathing patterneasy

29Gratitude journal: jot one good thing a daymedium

30Heart-rate zone calculator: work out target zones from your ageeasy

Money and budgeting

10 ideas

31Budget snapshot: compare a month's income against spendingmedium

32Expense tracker: log purchases by category and total themmedium

33Savings goal: set a target and watch a progress bar fillmedium

34Loan calculator: estimate monthly payments on a loan or mortgageeasy

35Savings projector: see how a monthly amount grows over yearseasy

36Subscription tracker: list what you pay each month and the yearly totalmedium

37Travel currency converter: convert amounts for a country you pickmedium

38Group expense splitter: track a trip's costs and who owes whommedium

39Allowance tracker: log pocket money in and out for a childmedium

40Cost-per-use calculator: decide whether a purchase is worth iteasy

Travel and the outdoors

10 ideas

41Packing checklist: a reusable list that remembers what you tickmedium

42Trip itinerary: plan each day of a trip with times and notesmedium

43Trip countdown: count down to your next trip with a favorite photoeasy

44Daily travel spend: log expenses against a trip budgetmedium

45Jet-lag helper: compare home and destination time at a glanceeasy

46Bucket list: tick off places and experiences you wantmedium

47Hiking log: record trails, distance, and how they wentmedium

48What-to-wear helper: paste a forecast and get an outfit suggestioneasy

49Road-trip planner: map out stops and build a playlistmedium

50Gift and souvenir list: track what to buy for each personmedium

Family, kids, and pets

10 ideas

51Family trivia quiz: test how well everyone knows each othereasy

52Chore chart: assign tasks and award stars or pointsmedium

53Reward tracker: save up points toward a treatmedium

54Pet care log: track feeding, walks, and vet datesmedium

55Baby tracker: note feeds and naps through the daymedium

56Reading log for kids: log books read and unlock stickersmedium

57Shared family recipes: a collection everyone can add tohard

58Birthday and event board: keep the family's important datesmedium

59Chore-of-the-day picker: randomly assign the day's jobeasy

60Grandkids' art gallery: upload drawings with captionsmedium

Productivity and organizing

10 ideas

61To-do list: tasks with priorities and a "done" viewmedium

62Daily planner: block out your day hour by hourmedium

63Focus timer: a Pomodoro clock with work and break roundseasy

64Sticky-note board: pin quick notes you can rearrangemedium

65Reading list: keep track of what you want to read nextmedium

66Bookmark dashboard: your favorite links on one tidy pagemedium

67Meeting notes template: an agenda and notes layout you reuseeasy

68Decision matrix: score options against criteria to compare themmedium

69Weekly review checklist: run through the same questions each weekeasy

70Keep-in-touch reminder: nudge you on who to call or messagemedium

Learning, memory, and language

10 ideas

71Flashcards: study cards that resurface the ones you missmedium

72Math practice: timed drills for kids (times tables and more)medium

73Word a day: build vocabulary with a new word each visitmedium

74Typing speed test: measure words per minute and accuracyeasy

75Quiz maker: write your own questions, then take the quizmedium

76Travel phrasebook: handy phrases for a language you pickeasy

77Memory match: flip cards to find pairs and beat your timeeasy

78Study timer: focus sessions with reminders to take breakseasy

79Explain-it-simply playground: ask an AI to explain any topic plainlyhard

80On this day: show facts or events for today's datemedium

Hobbies, making, and creativity

10 ideas

81Book and film log: rate and review what you read and watchmedium

82Tasting journal: notes and scores for wine, coffee, or beermedium

83Craft project tracker: follow progress on knitting or other makesmedium

84Photo gallery: a simple grid of pictures with captionsmedium

85Quote of the day: show a fresh quote or poem each visiteasy

86Color palette maker: generate color schemes for a projecteasy

87Doodle pad: a blank canvas to sketch in the browsereasy

88Practice log: track instrument practice by piece and minutesmedium

89Collection catalog: list a collection (stamps, coins, records)medium

90Story prompt generator: spark ideas for writerseasy

Games, quizzes, and just-for-fun

10 ideas

91Word ladder puzzle: change one letter at a time to reach a target wordmedium

92Number guessing game: guess the hidden number with hot-or-cold hintseasy

93Trivia game: answer questions and keep scoremedium

94Dice and card roller: rolls and draws for board-game nighteasy

95Would you rather: a deck of fun either-or questionseasy

96Bingo card maker: generate cards for the screen or printingeasy

97Rock paper scissors: play against the computereasy

98Affirmation generator: a kind message at the press of a buttoneasy

99Tic-tac-toe: classic noughts and crosses versus a friend or the computermedium

100Magic 8-ball: shake for a playful answer to any questioneasy