Skip to content

Go Narrow: Study Antibiotics icon

Go Narrow: Study Antibiotics

Johanna Galaski

Category: MedicalIndie (reviewed)
Watch Go Narrow: Study AntibioticsApp Store (opens in a new tab)
Rating
5.0 out of 511 ratings
Best rank
#5Australia
Charts
65 countries
Price
$3.99
Size
4 MB
Requires
iOS 15.0or later

Current rank

#5

Australia · Paid · Medical

Was
—7 days ago
Change
Not enough history yetover 7 days
Best
#3in 7 days
Longest chart run
4 daysAustralia · Paid · Medical
New ratings, 7 days
—Needs a week of rating history

What's new

Version 1.7 · today

• New level types, each marked on the map: Antibiogram (read the lab's report and name the enzyme), Drug cards (hold two or three drugs and swap to the right one), Narrow it and Switch it. • The Lab is unlocked from the start • The Book's Show all switch shows every drug and bug, not only the ones you've met. • Today shows two leaderboards: all time on top, today's below.

Ranking events

  1. New version 1.7 (was 1.6)
  2. Entered the Paid · Medical chart at #17United Kingdom
  3. Dropped #51 → #95 in Grossing · MedicalAustralia
  4. Climbed #39 → #14 in Paid · MedicalCanada
  5. Entered the Paid · Medical chart at #23United States
  6. Dropped #16 → #41 in Top PaidAustralia
Show 24 earlier events
  1. Entered the Paid · Medical chart at #98India
  2. Entered the Paid · Medical chart at #22Germany
  3. Entered the Grossing · Medical chart at #30Australia
  4. Entered the Paid · Medical chart at #3Australia
  5. Entered the Paid · Medical chart at #39Canada
  6. Moved from Education to Medical
  7. New version 1.6 (was 1.5)
  8. Entered the Paid · Education chart at #1Australia
  9. Reached #1 in Paid · EducationAustralia
  10. Entered the Top Paid chart at #11Australia
  11. Climbed #75 → #13 in Paid · EducationCanada
  12. Dropped #33 → #60 in Paid · EducationCanada
  13. New version 1.5 (was 1.4)
  14. Entered the Paid · Education chart at #21India
  15. Dropped #25 → #58 in Paid · EducationUnited States
  16. Dropped #34 → #61 in Paid · EducationGermany
  17. Climbed #57 → #24 in Paid · EducationUnited States
  18. Climbed #74 → #15 in Paid · EducationGermany
  19. Climbed #34 → #9 in Paid · EducationCanada
  20. New version 1.4 (was 1.2)
  21. Dropped #33 → #74 in Paid · EducationGermany
  22. Climbed #85 → #34 in Paid · EducationCanada
  23. Dropped #62 → #93 in Paid · EducationUnited Kingdom
  24. Climbed #93 → #62 in Paid · EducationUnited Kingdom

About

I'm a microbiology resident, and ever since I studied antibiotics in medical school I've been thinking about how antibiotic coverage could be taught in a fun way. Many medical students, and residents too, really struggle with it. Go Narrow is my answer: a game that teaches which antibiotics cover which bacteria, and why. Each level is a culture plate. Tap the bacteria your antibiotic covers, leave the ones it doesn't, and use the culture result to choose the narrowest drug that works. Every…

Ranks come from Apple's public App Store charts, checked once a day. Appulse Index isn't affiliated with Apple.

Go Narrow: Study Antibiotics icon

Go Narrow: Study Antibiotics

Johanna Galaski

Category: MedicalIndie (reviewed)
Sign in to watchView on the App Store (opens in a new tab)
Rankings updated
Best rank now#5Australia · Paid · Medical
Peak rank, 7 days#1Australia · Paid · Education
Charts now6Across 5 countries
Rating5.0Out of 5 · 11 ratings
New ratings, 7 days—Needs a week of rating history
Longest chart run4 daysAustralia · Paid · Medical

About

From the app's App Store listing.

I'm a microbiology resident, and ever since I studied antibiotics in medical school I've been thinking about how antibiotic coverage could be taught in a fun way. Many medical students, and residents too, really struggle with it. Go Narrow is my answer: a game that teaches which antibiotics cover which bacteria, and why.

Each level is a culture plate. Tap the bacteria your antibiotic covers, leave the ones it doesn't, and use the culture result to choose the narrowest drug that works. Every…

What's new

Version 1.7 · 25 Oct 2026 ·

  • New level types, each marked on the map: Antibiogram (read the lab's report and name the enzyme), Drug cards (hold two or three drugs and swap to the right one), Narrow it and Switch it.
  • The Lab is unlocked from the start
  • The Book's Show all switch shows every drug and bug, not only the ones you've met.
  • Today shows two leaderboards: all time on top, today's below.

Store listing

How the app presents itself on the App Store. Select a screenshot to open it full size.

Go Narrow: Study Antibiotics screenshot 1 of 10Go Narrow: Study Antibiotics screenshot 2 of 10Go Narrow: Study Antibiotics screenshot 3 of 10Go Narrow: Study Antibiotics screenshot 4 of 10Go Narrow: Study Antibiotics screenshot 5 of 10Go Narrow: Study Antibiotics screenshot 6 of 10Go Narrow: Study Antibiotics screenshot 7 of 10Go Narrow: Study Antibiotics screenshot 8 of 10Go Narrow: Study Antibiotics screenshot 9 of 10Go Narrow: Study Antibiotics screenshot 10 of 10

App facts

What Apple publishes about this app. Ratings are from one country's App Store.

Price
$3.99
Rating
5.0 / 5 stars11 ratings Australia
Released
9 Oct 2026
Last update
Version 1.7
Requires
iOS 15.0or later
Size
4 MB
Languages
1

Rank history

Higher on the chart is better: #1 is at the top.

Sign in to see 30 days, 90 days and all history.

Australia · Paid · Medical: best #3, latest #5, over 8 snapshots since 19 Oct.

Australia · Paid · Medical: best #3, latest #5, over 8 snapshots since 19 Oct.

Current rankings

Every chart this app is in right now, best position first.

Go Narrow: Study Antibiotics chart positions
ChartRank24 h7 daysBestDays on chart
Australia· Paid · Medical · best #3 · 4 days#5Down 1 placeNot enough history yet#34
United Kingdom· Paid · Medical · best #17 · 1 day#17New entryNot enough history yet#171
United States· Paid · Medical · best #18 · 3 days#18Up 4 placesNot enough history yet#183
Canada· Paid · Medical · best #14 · 4 days#33Down 8 placesNot enough history yet#144
Germany· Paid · Medical · best #22 · 4 days#47Down 12 placesNot enough history yet#224
Australia· Grossing · Medical · best #30 · 4 days#96Down 1 placeNot enough history yet#304

Ranking events

Entries, big moves, #1s and new versions we've recorded, by day.

    1. New version 1.7 (was 1.6)
    2. Entered the Paid · Medical chart at #17United Kingdom

    1. Dropped #51 → #95 in Grossing · MedicalAustralia

    1. Climbed #39 → #14 in Paid · MedicalCanada
    2. Entered the Paid · Medical chart at #23United States
    3. Dropped #16 → #41 in Top PaidAustralia

    1. Entered the Paid · Medical chart at #98India
    2. Entered the Paid · Medical chart at #22Germany
    3. Entered the Grossing · Medical chart at #30Australia
    4. Entered the Paid · Medical chart at #3Australia
    5. Entered the Paid · Medical chart at #39Canada
    6. Moved from Education to Medical

    1. New version 1.6 (was 1.5)
    2. Entered the Paid · Education chart at #1Australia
    3. Reached #1 in Paid · EducationAustralia
    4. Entered the Top Paid chart at #11Australia
    5. Climbed #75 → #13 in Paid · EducationCanada

    1. Dropped #33 → #60 in Paid · EducationCanada

    1. New version 1.5 (was 1.4)
    2. Entered the Paid · Education chart at #21India
    3. Dropped #25 → #58 in Paid · EducationUnited States
    4. Dropped #34 → #61 in Paid · EducationGermany

    1. Climbed #57 → #24 in Paid · EducationUnited States
    2. Climbed #74 → #15 in Paid · EducationGermany
    3. Climbed #34 → #9 in Paid · EducationCanada

    1. New version 1.4 (was 1.2)
    2. Dropped #33 → #74 in Paid · EducationGermany
    3. Climbed #85 → #34 in Paid · EducationCanada
    4. Dropped #62 → #93 in Paid · EducationUnited Kingdom
    5. Climbed #93 → #62 in Paid · EducationUnited Kingdom

Competitors

Full chart

Top of Paid · Medical in Australia. Go Narrow: Study Antibiotics is #5 there. Changes are over 7 days.

  1. #1 (number one)
    Monash FODMAP Diet icon
    Monash FODMAP DietMonash University
    No change
  2. #2
    Squeezy icon
    SqueezyLiving With Ltd
    No change
  3. #3
    Opioid Calculator icon
    Opioid CalculatorANZCA
    Up 3 places
  4. #4
    Essential Anatomy 5 icon
    Essential Anatomy 53D4Medical from Elsevier
    Up 32 places
  5. #5
    Go Narrow: Study Antibiotics icon
    Go Narrow: Study AntibioticsThis app
    Not enough history yet
  6. #6
    Freya • Surge Timer icon
    Freya • Surge TimerThe Positive Birth Company Ltd.
    Down 3 places
  7. #7
    CoPE Paediatric Emergency icon
    CoPE Paediatric EmergencyRigshospitalet
    Up 17 places
  8. #8
    AutoSnore: Snoring Recorder icon
    AutoSnore: Snoring RecorderTantsissa
    Down 3 places
  9. #9
    BPPV Relief icon
    BPPV ReliefPaul Burston
    New entry
  10. #10
    EP Calipers icon
    EP CalipersEP Studios
    New entry
  11. #11
    PICUCalc icon
    PICUCalcCarlos Sarta
    New entry
  12. #12
    Dental Prescriber icon
    Dental PrescriberDental Sciences Australia Pty. Ltd.
    Not enough history yet
  13. #13
    Anatomy & Physiology icon
    Anatomy & PhysiologyVisible Body Apps
    Down 5 places
  14. #14
    Recognise Hand icon
    Recognise Handnoigroup
    Up 8 places
  15. #15
    Chemical Maze - Shopping Companion icon
    Chemical Maze - Shopping CompanionThe Chemical Maze Pty Ltd
    Up 20 places
  16. #16
    QuickEM icon
    QuickEMDirkes Medical, PLLC
    Up 29 places
  17. #17
    Nicutools icon
    NicutoolsMichael Hewson
    New entry
  18. #18
    Speech Assistant AAC icon
    Speech Assistant AACTon Schalke
    New entry
  19. #19
    Stop Drinking with AJ icon
    Stop Drinking with AJUniversal Relaxation Ltd
    Up 41 places
  20. #20
    OptoDrum icon
    OptoDrumLinsay Associates, LLC
    New entry
  21. #21
    IV Dosage and Rate Calculator icon
    IV Dosage and Rate CalculatorMediWeb LLC
    New entry

Ranks come from Apple's public App Store charts, checked once a day. Appulse Index isn't affiliated with Apple.