cotax vs Wollio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
cotax
This finance app helps users file their tax returns efficiently and stress-free. It guides you through document submission, optimizes for deductions, and provides a completed return for review and approval.
- Document submission via photos/uploads
- Guided tax return process
- Deduction optimization
- Quick return completion
- Live chat support
- One-tap approval
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With cotax, get an optimized tax return without any tax knowledge. Simple, fast, and stress-free. How It Works: 1. File details and documents: Tell us about yourself and submit required documents by taking quick photos or uploading them. We will guide you through a list of relevant questions using simple language. 2 We optimize for deductions: cotax gathers only documents and the information necessary to uncover opportunities for more deductions and process your case. 3.Review and confirm: Get the completed tax return in just a couple of hours. If in doubt, you can reach out through our live chat support. 4. Approve and submit: Approve your tax return in a single tap. You will receive the hard copy of your tax return. All you need to do is sign and submit to tax authorities.
Wollio
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Meet Wollio — your new mobile wallet. Send and receive money, issue invoices and save payment templates.
Screenshots
Verdict
The clearest difference is update cadence: cotax at every 2 weeks against Wollio's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
cotax ships an update every 2 weeks, Wollio every 2 months. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.
| Parameter | cotax | Wollio |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 45 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | SN Cooperation GmbH | Wollio Ltd. |
In-app purchases
cotax
No in-app purchases
Wollio
No in-app purchases
