Sona vs Aiko Echo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sona
This AI assistant leverages voice commands to provide instant answers and creative assistance across various domains. It offers specialized personas for coding, fitness, cooking, language translation, education, and mindfulness, with advanced features available through a subscription.
- Voice-first AI interaction
- Eight expert personas
- Streaming answers
- Web search with citations
- Image understanding (Pro)
- Cross-device support (Watch, iPhone, iPad)
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Ask anything, out loud, and get a clear answer in seconds — right on your Apple Watch, or on your iPhone. Sona is an AI assistant with a team of experts: a chef, a coder, a fitness coach, a tutor, a translator and more. It searches the web when that helps, and shows you the sources. WHAT YOU CAN DO • Talk hands-free: ask by voice and hear the answer in a natural voice • Get fresh answers from the web, with links to the sources • Pick an expert: Sona, DevBot, FitCoach, ChefAI, Muse, Lingua, Tutor, Calm — or create your own character • Snap a photo and ask about it (Sona Pro) • Pick up your Watch chats on your iPhone • Use it in 13 languages FREE 20 messages a day, all eight experts, voice, web search and the standard themes. No account, no sign-up. SONA PRO Unlimited messages, photo understanding and premium themes. Available as a monthly or yearly subscription, or a one-time lifetime purchase. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://chatty.heywrist.com/privacy
Aiko Echo
This AI-powered keyboard assistant helps you craft better messages. It offers suggestions for replies, rephrasing, and tone adjustment directly within your conversations, making communication smoother and more natural.
- AI-powered message replies
- Text rephrasing for clarity
- Tone adjustment
- Personalized reply suggestions
- Works across messaging apps
- Privacy-focused design
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Overthinking what to say? Aiko helps you find the right words, right from your keyboard. Whether you're replying to a message, rephrasing something you've written, or finding the right tone, Aiko makes everyday conversations feel easier. No switching apps. Aiko lives inside your keyboard. Just open it and keep the conversation going. WHAT YOU CAN DO - Reply to messages with ready-to-send suggestions - Rephrase text to sound more natural, clear, or confident - Adjust your tone to fit the conversation - Personalize replies to sound more like you - Works across your favorite messaging apps BUILT FOR EVERYDAY CONVERSATIONS Whether you're texting friends, chatting with family, messaging coworkers, or meeting someone new, Aiko helps you communicate naturally without losing your own voice. PRIVACY FIRST Your conversations belong to you. Aiko doesn't require an account. Messages are only processed when you choose to use Aiko, and your conversations aren't stored to build profiles or sell your data. FREE & PRO Free - 10 free uses every day Aiko Pro - Unlimited use - Faster responses - Access to future premium features Aiko Echo Pro Weekly: $6.69 / week Aiko Echo Pro Annual: $79.99 / year Payment will be charged to your Apple Account at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. You can manage or cancel your subscription anytime in your App Store account settings. Privacy Policy: https://useaiko.com/privacy Terms of Use: https://useaiko.com/terms
Screenshots
Verdict
The clearest difference is update cadence: Sona at every 3 days against Aiko Echo's monthly. Aiko Echo's advantage is ratings volume (4 vs 1). On price, rating, review sentiment and ads 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. Sona sells 3 in-app purchases, starting at $4.99 per month and Aiko Echo sells 2 in-app purchases, starting at $6.69 per 7 days. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for Sona against 5.0 for Aiko Echo. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Sona ships an update every 3 days, Aiko Echo monthly. The most recent releases landed on October 28, 2026 and October 9, 2026 respectively.
| Parameter | Sona | Aiko Echo |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (4 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 3 days — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPad |
| Requires iOS | 17.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 23 MB | 32 MB |
| Age rating | 4+ | 9+ |
| Developer | Ranju Jha | YUJEN CHEN |
Customer experience
Sona
Aiko Echo
In-app purchases
Sona
- Sona Pro Monthly3 Days trial$4.991 Month
- Sona Pro Yearly7 Days trial$29.991 Year
- Sona Pro Lifetime$59.99
Aiko Echo
- Aiko Pro$6.697 Days
- Aiko Pro Annual$79.991 Year









