Evonote vs Costra AI
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Evonote
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Evonote turns conversations into clear, searchable notes with AI. Record audio right in the app, get fast transcripts, and generate structured summaries so you never lose decisions, action items, and key details. Perfect for: ⢠Meetings and 1:1s ⢠Lectures and interviews ⢠Voice memos on the go Features: ⢠High-quality audio recording ⢠Automatic transcription ⢠AI summaries with key takeaways and next steps ⢠Organized history: recordings, transcripts, and notes in one place
Costra AI
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Costra tells you exactly what to buy for your renovation ā and how much of it. Pick a room, answer six short steps, and get a complete, layer-by-layer bill of materials: primer, plaster, putty, paint, tile adhesive, screed and more ā each with the exact quantity for your walls, floor and ceiling. NO SIGN-UP NEEDED Calculate and view full estimates as a guest. Create a free account only if you want to save them. HOW IT WORKS 1. Room ā choose the room type and enter its dimensions 2. Condition ā describe wall evenness and floor screed, and watch the estimated material weight update live 3. Walls, floor, ceiling ā pick your finishes: paint, wallpaper, tile, laminate and more 4. Result ā a structured materials list, grouped by surface and layer SMART WHERE IT MATTERS ⢠Quantities follow professional consumption rates and your room's real geometry ā doors, windows, wet zones ⢠Every line shows the right unit: kilograms, liters, square meters, rolls, pieces ⢠Tap any material for a hint explaining what it's for ⢠Diagrams show how the layers stack up SAVE AND ORGANIZE (optional, free) ⢠Save estimates to your account and reopen them anytime ⢠Group estimates into projects ā an apartment, a house, a client job ⢠Duplicate an estimate and tweak it for the next room IN YOUR LANGUAGE Fully bilingual English/Russian with an instant toggle. Costra is free, with no ads. Your data stays yours ā you can delete your account and everything in it at any time, right in the app.
Screenshots
Verdict
The clearest difference is iOS requirement: Costra AI at 13.0 against Evonote's 15.0. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Evonote | Costra AI |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 days | ā |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 13.0 ā better |
| Further details ā not scored | ||
| Size | 103 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Aliyar Babadjanov | Abbosbek Makhamadaminov |
In-app purchases
Evonote
No in-app purchases
Costra AI
No in-app purchases









