Ninja vs Iris Mail
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ninja
This AI-powered assistant helps students and professionals by generating essays with real-time sources, transforming handwritten notes into study guides, and solving homework problems from photos. It also offers integrated document and presentation tools, with a choice of advanced AI models.
- Advanced essay writing with real-time sources
- Convert handwritten notes to study guides
- Image-based homework explanation and problem-solving
- Integrated document and presentation creation
- Choice of AI models (GPT-4, Claude, etc.)
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Introducing Ninja, the quintessential app that redefines your educational and professional experience with its unparalleled capabilities. Ninja is a comprehensive tool that elevates your work to new heights, tailor-made for students, professionals, and anyone in need of a powerful assistant. Key Features of Ninja: * Advanced Essay Functionality: Ninja stands out with its superior essay-writing features. Ninja integrates real-time sources, crafting essays that are not just well-written but also rich in content and references. * Supercharged Note-Taking: Transform your handwritten notes into high-quality, personalized guides. With Ninja, just take a picture of your notes, and the app converts them into textbook-quality material, customized to your learning style. * Image Understanding for Homework Help: Stuck on a math problem or a complex science question? Simply snap a photo of your homework, and Ninja's AI will not only explain it but also guide you through solving it. * All-in-One Document and Presentation Tool: Ninja combines document and slide creation into one seamless interface. Whether you're drafting a report or preparing a presentation, Ninja's integrated editors ensure a smooth, efficient workflow. * Choice of AI Models: Select from a range of AI models including NINJA-1, GPT-4, Perplexity, and Claude. Each model brings its unique strengths, from offering real-time information to enhancing creative output, ensuring you always have the best tool for the task. Ninja is more than an app; it's your personal AI-powered companion, designed to enhance your productivity, creativity, and learning. Embrace the future of work and education with Ninja. Terms of Use: https://www.workninja.com/terms-of-service.pdf Privacy Policy: https://www.workninja.com/privacy-policy.pdf
Iris Mail
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Iris reads your inbox for you. AI classifies every conversation as Urgent / Important / Info and writes 1-2 sentence summaries — you only look at what matters. • URGENT / IMPORTANT / INFO: Mail written directly to you that expects a reply rises to the top. • 1-2 SENTENCE SUMMARIES: "Who — what they want — reference/amount/date", telegram-short. • URGENT ALERTS: Rule-based urgent notifications even while the app is closed (PRO). • WATCH: Track a reference, keyword or sender; get notified the moment it arrives. • DAILY REPORT: A one-paragraph digest of the last 24 hours (PRO). • RULE ENGINE: VIP sender, keyword and domain rules (PRO). • Use zero-setup Iris AI (PRO). PRIVACY FIRST: Iris never sends or deletes mail; it only reads and summarizes. Mail content is not stored on our servers. Your IMAP password stays in your device's secure storage. The free plan includes 1 account, unlimited classification and 100 AI summaries per month. PRO and PRO+ subscriptions auto-renew; cancel anytime from your App Store account. Subscription Information Iris PRO is auto-renewable subscriptions, offered monthly or yearly. Current prices are shown on the subscription screen inside the app and on the App Store product page. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period, and payment is charged to your App Store account. You can manage or cancel your subscription in your App Store account settings. The free trial is available once per user. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://iris.biltech.ee/en/privacy/
Screenshots
Verdict
The clearest difference is iOS requirement: Ninja at 13.4 against Iris Mail's 15.0. 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. Ninja sells 10 in-app purchases, starting at $2.99 per 7 days and Iris Mail sells 2 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Ninja | Iris Mail |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (11K ratings) — better | — |
| Positive reviews | 92.1% of reviews | — |
| Number of ratings | 11K — better | — |
| Update frequency | Every 2 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.4 — better | 15.0 |
| Further details — not scored | ||
| Size | 52 MB | 59 MB |
| Age rating | 4+ | 4+ |
| Developer | Joseph Semrai | Biltech OU |
Bugs and requests
Ninja
Reported bugs
2 issues- Login screen freezes
- Compatibility issues with older devices
Requested features
3 requests- Dark mode option
- Expanded collaboration tools
- Enhanced security and backup features
Iris Mail
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Ninja
- Weekly Plan3 Days trial$2.997 Days
- Basic$4.991 Month
- Pro$9.991 Month
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- Premium Monthly$9.991 Month
- Expert$19.991 Month
- 100 Tokens$4.99
- Buy 250 Tokens$7.99
- Basic$9.99
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- 1500 Tokens$14.99
- Lifetime Plan$69.99
Iris Mail
- Iris PRO+ (Monthly)14 Days trial$14.991 Month
- Iris PRO+ (Yearly)14 Days trial$152.991 Year









