# DeepL vs WhatLetter

DeepL records 95,110,871 monthly visits with -1.7% month-over-month growth and Freemium pricing. WhatLetter records 310 monthly visits with +9.9% growth and Freemium pricing.

| Metric | [DeepL](https://openaitools.app/tool/deepl) | [WhatLetter](https://openaitools.app/tool/whatletter) |
| :--- | :--- | :--- |
| Website URL | https://www.deepl.com | https://whatletter.com |
| Categories | AI Translate, AI Writing Assistants, AI API, AI Voice Translator | AI Translate, AI Chatbot, AI Summarizer, AI OCR |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 95,110,871 | 310 |
| MoM Growth Rate | -1.7% | +9.9% |
| Primary Market | Germany | Colombia |
| Direct Visits | 60,380,947 | 129 |
| Review Score | 4.7 | 4 |
| Saved Count | 135 | 4 |
| Supported Platforms | Website | Website |

## DeepL

DeepL is a specialist Language AI company widely recognized by professional translators, localization managers, and multinational enterprises for delivering more natural, idiomatic translations than general-purpose search translators or raw foundational LLMs. Headquartered in Cologne, Germany, DeepL trains proprietary neural networks and specialized language models tuned specifically for cross-lingual nuance, register, and domain accuracy across more than 30 languages. Over 200,000 businesses globally rely on DeepL to handle sensitive legal, technical, financial, and marketing communications.

The platform spans three integrated product pillars: DeepL Translator, DeepL Write, and DeepL Voice. DeepL Translator handles instant text translation and full-document conversion—preserving exact typography, embedded images, and page layouts across PDF, Microsoft Word (.docx), PowerPoint (.pptx), and Excel (.xlsx) files up to 100 MB. Through its Customization Hub, teams enforce corporate terminology using Shared Glossaries, Translation Memory, and Shared Style Rule Lists, while interactive Clarify prompts resolve source-text ambiguities. DeepL Write Pro acts as an AI writing co-pilot that refines tone, fluency, and audience adaptation in real time, and DeepL Voice delivers live multilingual captions and speech-to-speech translation for virtual meetings and face-to-face conversations.

DeepL offers a Free web and app tier capped at 50,000 characters and one 5 MB file per month, where submitted text may be used to train public models. For strict confidentiality—including immediate text deletion after translation, zero data training, ISO 27001 certification, and SOC 2 Type II compliance—users upgrade to DeepL Pro. In its current tier structure (which replaced legacy Starter, Advanced, and Ultimate naming), Individual costs $8.74/month (€7.49/month billed annually) for 300,000 characters and 3 files/month; Team costs $28.74/user/month (€24.99/month) for 1M characters, 20 files, and shared style rules; and Business costs $57.49/user/month (€49.99/month) for unlimited text translation, 100 files/month, Translation Memory, and bundled DeepL Write Pro.

**Pricing & Plans:** Offers a Free tier (50,000 characters/month and 1 file up to 5 MB); paid DeepL Pro plans billed annually are Individual at $8.74/month (€7.49/month), Team at $28.74/user/month (€24.99/user/month), and Business at $57.49/user/month (€49.99/user/month, which bundles DeepL Write Pro), plus custom Enterprise and metered API plans. All paid Translator plans include 30 minutes/user/month of DeepL Voice.

- **Layout-Preserving Document Translation:** Translates whole PDF, Word (.docx), PowerPoint (.pptx), Excel (.xlsx), and HTML files up to 30 MB (Individual/Team) or 100 MB (Business/Enterprise) while keeping original fonts, tables, slides, and visual formatting intact.
- **Customization Hub: Glossaries, Style Rules & Translation Memory:** Ensures consistent brand and technical terminology across language pairs using CSV-importable shared glossaries, automated glossary generation, shared style rule lists, and translation memory.
- **DeepL Write Pro AI Writing Assistant:** Enhances original drafts and translated copy with real-time sentence rewrites, word alternatives, and one-click tone adjustments (e.g., Business, Academic, Casual, Diplomatic) via browser, desktop, and Microsoft 365/Google Workspace add-ins.
- **DeepL Voice for Meetings & Conversations:** Provides real-time spoken language translation and live multilingual captions for video conferences and mobile in-person dialogues, with 30 minutes per user per month included in paid DeepL Pro plans.
- **Zero-Retention Enterprise Security & BYOK:** Guarantees that Pro subscriber texts are never stored or used for AI model training, backed by ISO 27001-certified European data centers, SOC 2 Type II compliance, SAML SSO, SCIM provisioning, and Enterprise Bring Your Own Key (BYOK) encryption.

**Strengths:** Consistently outperforms generic machine translators in idiomatic fluency, register control (formal vs. informal), and specialized European and Asian language pairs.; Best-in-class document translation preserves intricate PowerPoint, Word, and PDF formatting without manual desktop publishing rework.; Uncompromising enterprise privacy posture with immediate deletion of Pro translations, no model training on customer data, and optional BYOK encryption.; Unified ecosystem combining text translation, DeepL Write Pro stylistic editing, and 30 monthly minutes of DeepL Voice in standard Pro seats.

**Limitations:** TheIndividual plan ($8.74/mo / €7.49/mo) is capped at 300,000 characters and just 3 file translations per month, requiring a jump to Team ($28.74/mo) or Business ($57.49/mo) for heavy workloads.; Supports roughly 30+ core languages, which is significantly narrower than Google Translate's 130+ language catalog for rare regional dialects.; DeepL Write Pro requires an extra €6.99/user/month add-on for Individual and Team subscribers unless upgrading to the Business tier.

[Profile (Markdown)](https://openaitools.app/tool/deepl.md)

## WhatLetter

WhatLetter describes itself as a document translator built around a simple loop: capture, translate, discuss. You photograph a piece of paper, choose the language you read best, and the app returns a simplified version of the content. From there you stay in a chat and ask the assistant to clarify terms, explain a clause, or tell you what action a notice is asking you to take.

The product grew out of a personal story rather than a business plan. Its founder writes about growing up as an immigrant child and acting as translator for his parents, an experience that led to a tool aimed at immigrant families and seniors who want to handle their own paperwork without depending on a relative. That framing shapes the whole interface: large language coverage, short summaries, and a conversational layer instead of a wall of translated text.

Coverage spans more than 30 languages and a wide range of everyday documents, from medical records and bank statements to tickets, travel menus, business contracts and research papers. WhatLetter is browser-based on desktop and mobile, and the roadmap mentions voice typing plus WhatsApp and Telegram integration. The site also states that uploaded images are not stored on its servers and that chat history stays private to the user.

**Pricing & Plans:** WhatLetter uses a freemium model. The Free tier covers capturing documents, up to 3 documents translated per month and up to 3 chat sessions per month. WhatLetter Plus is $1.99 USD per month, with a yearly option advertised at 16% off, and unlocks unlimited document translations, unlimited chat and access to all supported languages. Voice typing and Telegram integration are listed as upcoming rather than included today.

- **Snap, scan and understand:** Point your phone or webcam at a menu, bill, prescription or letter and WhatLetter reads the text off the image and prepares it for translation.
- **Translation across 30+ languages:** Pick one of 30+ supported languages, including Arabic, Bengali, Mandarin, Farsi, Hindi, Korean, Spanish, Tagalog, Urdu and Vietnamese, and read the paperwork in the language you think in.
- **Conversational follow-up chat:** After translating, you keep chatting with the assistant to ask what a term means, what a date implies, or what you are being asked to sign.
- **Plain-language summaries:** Long and technical material, from insurance paperwork to academic or financial reports, gets condensed into a summary you can actually finish reading.
- **Privacy-first handling:** The site says document images are not retained on its servers and that chat history is kept only for your own reference.

**Strengths:** Designed specifically for immigrant families and older users, not a generic translator; Covers 30+ languages including many underserved ones; Free tier is usable without a credit card for occasional documents; Chat layer lets you ask follow-up questions instead of decoding a raw translation

**Limitations:** Web-based only right now, with no native iOS or Android app; Free tier is capped at just 3 documents and 3 chat sessions per month; A 404 /pricing page means plan details are only visible in the homepage pricing section; Voice typing and messaging-app integrations are still listed as upcoming rather than shipped

[Profile (Markdown)](https://openaitools.app/tool/whatletter.md)

## Frequently Asked Questions

### How do DeepL and WhatLetter compare in monthly traffic?

DeepL has 95,110,871 monthly visits, while WhatLetter has 310. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

DeepL has a month-over-month growth rate of -1.7%; WhatLetter has +9.9%.

### How does pricing compare?

DeepL: Freemium. Offers a Free tier (50,000 characters/month and 1 file up to 5 MB); paid DeepL Pro plans billed annually are Individual at $8.74/month (€7.49/month), Team at $28.74/user/month (€24.99/user/month), and Business at $57.49/user/month (€49.99/user/month, which bundles DeepL Write Pro), plus custom Enterprise and metered API plans. All paid Translator plans include 30 minutes/user/month of DeepL Voice. WhatLetter: Freemium. WhatLetter uses a freemium model. The Free tier covers capturing documents, up to 3 documents translated per month and up to 3 chat sessions per month. WhatLetter Plus is $1.99 USD per month, with a yearly option advertised at 16% off, and unlocks unlimited document translations, unlimited chat and access to all supported languages. Voice typing and Telegram integration are listed as upcoming rather than included today.

## Alternatives

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [ChatGPT](https://openaitools.app/tool/chatgpt-4) | 6,048,022,723 | +2.2% | Freemium | OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research. | [.md](https://openaitools.app/tool/chatgpt-4.md) |
| 2 | [Claude](https://openaitools.app/tool/claude-2) | 1,253,439,413 | +23.8% | Freemium | Anthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing. | [.md](https://openaitools.app/tool/claude-2.md) |
| 3 | [DeepSeek](https://openaitools.app/tool/deepseek) | 372,761,591 | +4.3% | Freemium | High-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs. | [.md](https://openaitools.app/tool/deepseek.md) |
| 4 | [Grammarly](https://openaitools.app/tool/grammarly) | 58,867,412 | -1.5% | Freemium | Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides. | [.md](https://openaitools.app/tool/grammarly.md) |
| 5 | [QuillBot Paraphraser](https://openaitools.app/tool/quillbot-paraphraser) | 36,630,337 | +2.3% | Freemium | Paraphrase, proofread and summarize text with an AI writing workspace | [.md](https://openaitools.app/tool/quillbot-paraphraser.md) |
| 6 | [Image to Text](https://openaitools.app/tool/image-to-text-converter) | 4,871,767 | +0.8% | Freemium | Free online OCR that turns any image into editable text in seconds | [.md](https://openaitools.app/tool/image-to-text-converter.md) |
| 7 | [LightPDF](https://openaitools.app/tool/lightpdf-com) | 1,742,568 | -15.3% | Freemium | Free AI-powered PDF editor, converter and reader for every device | [.md](https://openaitools.app/tool/lightpdf-com.md) |
| 8 | [OpenL Translate](https://openaitools.app/tool/openl) | 1,470,643 | +8.8% | Freemium, Subscription | AI translation for text, images, documents and speech in 100+ languages | [.md](https://openaitools.app/tool/openl.md) |
| 9 | [Lara Translate](https://openaitools.app/tool/lara-translate) | 982,359 | -16.1% | Freemium, Paid, Contact for Pricing | Professional AI translation for text, documents, images and audio | [.md](https://openaitools.app/tool/lara-translate.md) |
| 10 | [Overchat AI](https://openaitools.app/tool/overchat) | 948,033 | -2.6% | Freemium | One AI super app for chat, images, video and everyday document tasks | [.md](https://openaitools.app/tool/overchat.md) |

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Source: https://openaitools.app/compare/deepl-vs-whatletter

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