Updated ASO teardown, US App Store
Vimi: My Math Tutor App Store optimization
A Education app's App Store page, taken apart: the screenshots and why each one helps people decide to download, the icon and design system, and an ASO score out of 100.
- Est. monthly downloads
- 30K+0% vs previous month
- Est. monthly revenue
- $29K−3.5% vs previous month
- Est. revenue ÷ downloads
- $0.97
- Rating
- 4.5★1K ratings
Downloads and revenue are third-party est. for the US App Store, latest month vs the month before. Revenue includes renewals, so revenue ÷ downloads is a rough ratio, not what a new user pays. Estimates as of ; rating and dates from the App Store, .
Screenshots and why they convert
7 screenshots of up to 10, the first 6 shown here. The first 3 show in search results when there's no preview video.
#1In search results
Make math click
- mathin name
- What it shows
- A teen on a couch smiling at a phone, with floating topic cards (number line, square root) and green check marks, and the octopus mascot in the corner.
- Why it converts
- Sets a friendly mood and names the subject, math. It does not show the app screen or say what the app does, so a visitor has to guess from the card icons.
#2In search results
Learning that's actually fun
- What it shows
- A quiz screen: “Pick the equality conversion”, a burger equals a “? grams” weight, four answer buttons, a green progress bar with a check burst, and the mascot with star eyes.
- Why it converts
- Shows a real lesson with a playful picture and tap answers. The caption is a general promise, so the screen has to carry the proof.
#3In search results
Scan a problem - Learn the solution
- scan a problemnot in name
- What it shows
- A phone camera view over a handwritten equation, with “Solve it”, “Guide me” and “Lesson finder” buttons and a notebook behind it.
- Why it converts
- Names a use case people look for, and the camera view makes the steps easy to follow. Part of the phone and a card are cut off at the edge.
#4
Matches what you learn in school
- schoolnot in name
- What it shows
- A fan of colored topic cards (Geometry, Measurement, Statistics, Inequalities, Equations) above the mascot.
- Why it converts
- Tells parents and students the topics follow a school course. Several card labels are cut off, and the caption fills the full width.
#5
Short lessons that stay with you
- short lessonsnot in name
- What it shows
- A lesson screen: “Find the missing angle” with an angle diagram, an equation to fill in, and three number tiles to drag.
- Why it converts
- Shows how a lesson works: one small problem, answered by tapping. The caption names the format, and the diagram is clear on a light background.
#6
Always-on chat
- chatnot in name
- What it shows
- A chat with the mascot: a student asks what went wrong, uploads a photo of a worked equation marked wrong, and gets a hint. Buttons read “Let’s solve together” and “Remind Me”.
- Why it converts
- Shows help that responds to the student’s own work, not only preset lessons. The chat text is small, so the caption has to carry the message.
Icon and design system
What makes the page read as one brand at a glance.
- One character, the octopus, is the whole idea.
- Math symbols in the blue background hint at the subject without adding text.
- The same octopus appears in the screenshots, so icon and gallery read as one brand.
- The octopus is large and simple, so it should hold up at small sizes.
- 01
A mascot in most images
The octopus shows up in the corner or in the screen of most images, and it matches the icon. It gives the set one recognizable character.
- 02
Two-line captions in one color
Dark purple bold type at the top of most images, on a light grid background. Easy to read at a glance.
- 03
Real lesson screens
Quiz and lesson screens show how a session works: a short question and tap answers, not just a menu.
- 04
Photo first, product after
The opening image is a lifestyle photo with a slogan. The camera scan and the lesson screens come after it.
- 05
Captions name uses people look for
“Scan a problem”, “short lessons” and “chat” name things a learner might look for. “Matches what you learn in school” speaks to parents.
ASO score breakdown
68 of 100 points. The full rule is under “How the ASO score works” below.
- App name21 / 25
- Uses 19 of 30 characters6.3/10
- Brand + keyword phrase10/10
- Keywords fill half the name or more5/5
- Screenshots23 / 35
- Caption on every screenshot5/5
- Each caption names a feature people search for8.3/10
- First screenshot shows the main use0/5
- One consistent design system5/5
- Readable at search-result size5/5
- Trust signal0/5
- Ratings9 / 25
- 4.5 average (full marks at 4.8)9.4/15
- 1,032 ratings (full marks at 100,000)0.1/10
- Freshness15 / 15
- Last update 10 days ago (full marks within 30)15/15
Where the points are
- Ask happy users for a rating+16 pts
4.5 stars from 1,032 ratings. Apple's in-app rating prompt can be shown up to 3 times a year; show it right after a user finishes something in the app.
- Use the rest of the app name+4 pts
11 characters are free. Add the next most important search term.
- Check caption terms against your subtitle and keywords
4 caption terms aren't in the app name: scan a problem, school, short lessons, chat. Captions don't count for search; the subtitle and the 100-character keyword field do.
Apply it to your app
A checklist for your next product page update.
- Put the clearest picture of what your app does in screenshot 1.
- If screenshot 1 is a mood image, add a few words that say what the app does.
- Name a concrete use in the caption, such as scanning a problem.
- Use the same mascot or character in the icon and the screenshots.
- Keep text off the edges so no caption or card looks cut off.
- Add a rating, award or user count if you have a real one. Nothing in these images says why to trust the app.
How the ASO score works
- 01
App name, 25 points
Up to 10 for how much of Apple's 30 characters it uses, 10 for a brand + keyword structure, 5 when keywords fill half the name or more.
- 02
Screenshots, 35 points
Captions on every image, captions that name searched features, a first screenshot that shows the main use, one design system, readability at search size, and a trust signal.
- 03
Ratings, 25 points
Up to 15 for the average (from 4.0, full marks at 4.8) and 10 for the count (from 1,000, full marks at 100,000 ratings).
- 04
Freshness, 15 points
Full marks for an update in the last 30 days, falling to zero at 180 days. 85+ is excellent, 70+ strong, 50+ fair.
Common questions
What is an ASO score?
A 100-point check of the parts of an App Store page you control: the app name, screenshots, ratings and how recently the app was updated. It's our own scoring rule, shown in full on this page, not a number from Apple. Use it to compare your page with apps that already sell well in your category.
How long can an app name be on the App Store?
30 characters. A common pattern is a short brand followed by the main thing people search for, like “Vimi: My Math Tutor”, which uses 19. Apple also gives you a 30-character subtitle and a 100-character keyword field for more terms.
Which screenshots show up in App Store search results?
The first one to three, when the app has no preview video. That's why the first three should cover the main reasons people download. Vimi uses them for math and scan a problem.
How many screenshots can an iPhone app have?
Up to 10 per device size. Apple recommends focusing each screenshot after the first on one main benefit or feature. Vimi uses 7.
Where do the download and revenue numbers come from?
They're third-party estimates for the US App Store, not figures reported by the developer. Treat them as a sense of scale. Growth compares the latest month with the month before.
Do screenshot captions help an app rank in search?
Apple says search results use text matches in the app name, subtitle, keywords and primary category, plus user behavior such as downloads, ratings and reviews. Captions aren't on that list: they help people who already see the app decide to download. When a caption names something people search for, put that term in the keyword field too.
Where the numbers come from
- Apple: Creating your product page
- App name limit (30 characters), up to 10 screenshots, the first one to three shown in search results, keyword field.
- Apple: App Store search
- Search results use text relevance (name, subtitle, keywords, primary category) and user behavior (downloads, ratings, reviews).
- Apple: Ratings, reviews and responses
- The in-app rating prompt can be shown up to three times in a 365-day period.
- Vimi: My Math Tutor on the App Store
- Name, developer, category, icon, screenshots, rating, release and update dates (US storefront), checked Nov 4, 2026.
- Downloads and revenue
- Third-party est. for the US App Store, latest month, pulled Oct 29, 2026. Not reported by the developer.
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