How to Write an App Store Description That Gets Downloads
Your description is not your app's user manual. It is a sales page with a character limit, and it has a very specific job: turn the person who just tapped your icon into someone who taps "Get." Most indie descriptions fail at that job because they read like a feature dump written by the person who built the app instead of the person deciding whether to install it.
This guide walks through exactly how to write an app store description that converts — the structure, a fill-in-the-blank template, and real before/after examples. It also clears up the single most misunderstood point: what the description does and does not do for your rankings, which differs sharply between Apple and Google.
Does the description actually help you get found?
This matters before you write a word, because it changes your strategy on each platform.
Apple App Store: the description is NOT indexed for search. Apple ranks your app on the app name (30 characters), subtitle (30 characters), and the hidden keywords field (100 characters) — not the description. So on iOS, the description is a pure conversion tool. Write it for humans, not for the algorithm. Stuffing keywords into an Apple description does nothing but make it worse to read.
Google Play: the description IS indexed for search. Google Play uses your title (30 characters), short description (80 characters), and full description (4,000 characters) to understand what your app is about and which searches to surface it in. So on Android, your description does double duty — it has to convert and carry your keywords naturally.
That single difference is why you should not copy-paste identical text into both stores. Same story, two different builds. For the bigger picture of how these fields fit together, see our ASO playbook for indie and no-code developers.
The structure that converts
Every high-performing description follows roughly the same shape. Here it is, top to bottom.
1. The hook (first 1-2 lines)
Only your first two or three lines show before the "more" cutoff on both stores. This is the most valuable real estate you own. Do not waste it on "Welcome to MyApp!" or a company backstory.
Your hook should name the outcome the user wants in plain language:
- Weak: "MyApp is a productivity application designed to help users manage tasks."
- Strong: "Stop losing track of what you owe and who owes you. Split bills with friends in three taps."
Lead with the transformation, not the category.
2. The value proposition (2-3 sentences)
Expand the hook. Answer "what is this and who is it for" without jargon. This is where you say the thing your ideal user would say to a friend when recommending you.
3. Feature-benefit bullets
Now list what the app does — but pair each feature with the benefit. A feature is what it does; a benefit is what the user gets.
• Scan any receipt — no more manual entry
• Auto-split by percentage or exact amounts — settle up fairly, fast
• Reminders that nudge (politely) — get paid back without the awkward text
• Works offline — track expenses on the subway or on a plane
Use a symbol like • or ✓ at the start of each line. Both stores render plain text only — no bold, no headings, no HTML — so bullets and short line groups are how you create visual rhythm.
4. Social proof (if you have it)
Ratings, press mentions, download milestones, awards. "Featured by Apple," "4.8 stars from 12,000 reviews," or a one-line testimonial all work. Skip this block entirely rather than fabricating it.
5. The close and CTA
End with a clear next step and, if relevant, your pricing model stated plainly ("Free to download. Pro unlocks unlimited projects."). Then a short line pointing to support or your website so reviewers and users know you are legitimate.
A copy-and-paste app description template
Here is a template you can fill in. Keep it tight — you rarely need more than 800 to 1,200 characters even though the ceiling is 4,000.
[One-line hook: the outcome your user wants, in their words.]
[2 sentences: what the app is, who it's for, why it's different.]
WHAT YOU CAN DO:
• [Feature] — [benefit]
• [Feature] — [benefit]
• [Feature] — [benefit]
• [Feature] — [benefit]
[Social proof line, if any — rating, press, milestone.]
[Pricing in plain language: what's free, what's paid.]
Questions or feedback? [support email / website]
App store description example (before and after)
Here is a realistic rewrite for a fictional habit tracker.
Before (feature dump, no hook):
HabitFlow is an app that lets you create habits and track them daily. It has a calendar view, statistics, reminders, and dark mode. You can add multiple habits and mark them complete. There is also a streak feature and widgets.
After (outcome-led, benefit-driven):
Build habits that actually stick — one small win at a time.
HabitFlow makes it stupidly easy to show up every day. Set a habit, get a gentle reminder, and watch your streak grow. No guilt, no clutter, just momentum.
WHAT YOU CAN DO:
• Track unlimited habits — build the routine you want
• Smart reminders — never rely on willpower alone
• Streaks & stats — see your progress at a glance
• Home-screen widgets — check in without opening the app
Loved by 40,000+ people building better mornings.
Free to start. HabitFlow Pro unlocks unlimited habits and detailed insights.
Ideas or bugs? hello@habitflow.app
Same app. The second one gets installs.
Writing the Google Play short description (80 characters)
The short description is Android-only and it is brutal: 80 characters, indexed by search, and shown right under your title. Treat it like a subtitle that also has to rank.
Good short descriptions combine a benefit with a searchable term:
- "Split bills with friends and get paid back — no math, no awkwardness." (69 chars)
- "Habit tracker with streaks, reminders & widgets to build daily routines." (72 chars)
Include your single most important keyword phrase here, because unlike Apple's setup, it counts toward Google Play indexing.
Platform-specific field cheat sheet
| Field |
Apple App Store |
Google Play |
Indexed for search? |
| App name / title |
30 chars |
30 chars |
Yes (both) |
| Subtitle |
30 chars |
— |
Yes (Apple) |
| Short description |
— |
80 chars |
Yes (Google) |
| Keywords field |
100 chars |
— |
Yes (Apple, hidden) |
| Promotional text |
170 chars |
— |
No (Apple) |
| Full description |
4,000 chars |
4,000 chars |
Google only |
Two implications worth repeating: on Apple, spend your keyword effort in the name, subtitle, and keywords field — not the description. And Apple's subtitle and promotional text serve very different roles, which is worth understanding before you write either.
Common mistakes that kill conversion
- Burying the hook. If your first line is a greeting or your company name, rewrite it.
- Feature dumping without benefits. Nobody installs an app for "a calendar view." They install it for what the calendar view lets them do.
- Keyword stuffing the Apple description. Zero ranking benefit, worse readability.
- A wall of text. Both stores strip formatting. Use short lines and bullet symbols to create breathing room.
- No pricing clarity. Surprise paywalls generate one-star reviews. Say what is free up front.
- Forgetting to update it. Refresh the description when you ship a meaningful feature, and use Apple's promotional text (which you can change without a new build) for time-sensitive news.
Where the description fits in your listing
Your description works with, not instead of, your other assets. The keywords field does the heavy lifting for Apple discovery — see how to fill the App Store keywords field the right way. And no matter how good your copy is, most people decide from the screenshots before they ever read a word. If your gallery is not pulling its weight, our App Store screenshot generator helps you design and export store-ready screenshots at the exact required sizes, with captions that echo the benefits in your description.
Write the description last, after you know your positioning. It is the easiest asset to change and the one that most directly answers the reader's real question: "Is this worth my tap?"
Frequently asked questions
How long should an app store description be?
Both the Apple App Store and Google Play allow up to 4,000 characters for the full description. You do not need to use all of it — most strong descriptions run 500 to 1,500 characters. Front-load your best line because only the first two or three lines show before the reader has to tap "more."
Does the App Store description affect keyword ranking?
No. Apple does not index the description text for search — only your app name, subtitle, and the 100-character keywords field. Google Play is the opposite: it does index your short and full descriptions, so keywords there earn their place.
What is the difference between the short and full description on Google Play?
The short description is capped at 80 characters and appears at the top of your listing above the fold. The full description allows 4,000 characters and appears below. Both are indexed by Google Play search, so each should read naturally while including your core terms.