Skip to content

r/APbio↗

AP BIO

r/APBIO

8.8k subscribers66 posts / mo in Sep 202658 authors / mosince 2011

r/APbio has 8.8k members (+29% over the last 12 months). It gets about 66 posts a month from 58 people. Top topics: MCQs & FRQs, Biology Exams & Papers and AP Exams & Scores.

Free report

When to post on r/APbio

You've used today's free reports

Visitors without an account can open 3 subreddit reports a day. The best time to post on r/APbio, removal risk and the rest of the report are one step away.

Size and growth

How r/APbio has grown

r/APbio

Subscriber growth

Subscribers over time

+29%in 12 months · +4.8% in 3 months · +1.9% in 1 month
Oct 20268.8k
Growing8.8k subscribers
Data since Mar 2018Live · through Oct 2026
r/APbio

Monthly activity

Posts, comments and authors per month

+12%vs Sep 2025 · −64% last 3 months vs the 3 before
Sep 202666
BusierPeaked at 528 in May 2026
Data through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/APbio

Top topics

Share of the subreddit's posts

  1. MCQs & FRQs6.7%
  2. Biology Exams & Papers3.5%
  3. AP Exams & Scores3.4%
  4. AP Sciences3.1%
  5. Exam Day Anxiety1.8%

Brands people mention

Most-mentioned brands and sites, last 12 months

Can you post

Posting rules for r/APbio

Which post types r/APbio allows, the karma and account age it asks for, required flair, and every community rule — read from Reddit.

Unlock this for r/APbio

The blurred cards are a preview of the layout. The real numbers for r/APbio open with an account.

Timing and removals

How often posts get removed on r/APbio

The best day and hour for r/APbio, how many posts moderators remove and which kinds, the shape of its year, and weekdays against weekends.

Unlock this for r/APbio

The blurred cards are a preview of the layout. The real numbers for r/APbio open with an account.

What to post

What works on r/APbio

Title and body length that does well on r/APbio, and its mix of text posts, links, images, galleries and video.

Unlock this for r/APbio

The blurred cards are a preview of the layout. The real numbers for r/APbio open with an account.

Who writes here

Who posts on r/APbio

Gender and age of the people who write on r/APbio, the countries and US states they live in, their jobs, and whether a few regulars carry the conversation.

Unlock this for r/APbio

The blurred cards are a preview of the layout. The real numbers for r/APbio open with an account.

How they talk

What people ask for on r/APbio

Requests for recommendations, help and alternatives on r/APbio, its signature words and phrases, the brands and sites people link with counts, and the tone of the comments.

Unlock this for r/APbio

The blurred cards are a preview of the layout. The real numbers for r/APbio open with an account.

The full report

See all of r/APbio

Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research