WriterAide vs InboxAI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WriterAide
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Write it Right - Type what’s on your mind and let our App do the rest! Unlock a World of Possibilities with Correspondence! Are you looking for a way to write professional and formal correspondence quickly and efficiently? Look no further than WriterAide! WriterAide is the perfect app for anyone who needs to create professional, formal correspondence quickly and easily. With the power of Artificial Intelligence, WriterAide creates emails and letters quickly and effectively, saving you time and making your messages look more professional. Whether you only write emails and letters from time to time or do it on a daily basis, WriterAide has you covered. Save time and make sure your correspondence looks great with WriterAide! Don’t waste another minute struggling to write professional emails or letters. Download WriterAide today and start creating correspondence that clearly conveys what you want to say. Get the results you desire with the help of AI technology. Take your writing to the next level with WriterAide! --- Responses for your requests are generated by external artificial intelligence. Requests are generated locally on your device based on input you provide and then sent to an external server. Thus application require constant internet connection. The developer of WriterAide will do his best to ensure the best responses and stability of the application, but is not responsible for the stability of external service provided by third party. WriterAide comes with 10 free requests. After that you may purchase extra requests or auto-renewing subscription through an In-App Purchase • Your subscription will be charged to your iTunes account at confirmation of purchase and will automatically renew (at the duration of one month) unless auto-renew is turned off at least 24 hours before the end of the current period. • Current subscription may not be cancelled during the active subscription period; however, you can manage your subscription and/or turn off auto-renewal by visiting your iTunes Account Settings after purchase. Privacy Policy: https://lukaszyk.com/writer-aide/#privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
InboxAI
Instantly generate professional emails, letters, and replies with AI. Save time on all your written communication, from work to personal notes. Get personalized drafts in seconds without staring at a blank screen.
- Instant email and letter generation
- Personalized AI drafts
- Faster replies with AI
- Time-saving communication
- Professional and personal use
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Write emails and letters in seconds with InboxAI. InboxAI uses powerful AI to instantly generate complete emails, letters, and replies — no more staring at a blank screen. Just tell InboxAI what you need, and get a ready-to-send draft in moments. Whether it’s a professional email, a personal note, or a formal letter, InboxAI handles it all — fast, easy, and stress-free. Perfect for students, professionals, or anyone who wants to save time. With InboxAI you can: • Generate emails and letters instantly • Get personalized drafts in seconds • Reply faster with AI-written responses • Save time on work, school, and daily communication Stop wasting time writing emails. Let InboxAI do it for you in seconds. Privacy Policy: https://docs.google.com/document/d/1VtqR7IzzJiiG3RUxXbL9UyAIwm0y19OeNZEjY8wEQRg Terms of Use: https://docs.google.com/document/d/1j6yGtLZGczAN8xZp905-uuxV8V-ULd-4mZQ_0UT7uP8
Screenshots
Verdict
The clearest difference is update cadence: InboxAI at every 5 days against WriterAide's every 4 months. InboxAI also leads on iOS requirement (12.4 vs 16.0). 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. WriterAide sells 2 in-app purchases, starting at $9.99 per month and InboxAI sells 2 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.
WriterAide ships an update every 4 months, InboxAI every 5 days. The most recent releases landed on September 19, 2026 and September 20, 2026 respectively.
| Parameter | WriterAide | InboxAI |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.8 (5 ratings) — better |
| Number of ratings | — | 5 — better |
| Update frequency | Every 4 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 12.4 — better |
| Further details — not scored | ||
| Size | 2 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Tomasz Lukaszyk | Frunzik Ghazaryan |
In-app purchases
WriterAide
- Monthly Subscription$9.991 Month
- Extra Requests$1.99
InboxAI
- Unlock Pro3 Days trial$7.997 Days
- Unlock Pro$39.991 Year








