Best Natural Language Processing Apps

227+ iOS apps curated and reviewed

4.4 avg rating

20 free apps

Updated June 2026

If you already know Quillbot, this is the deeper bench. 227+ natural language processing apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.

Top Picks for Natural Language Processing

#1

Quillbot-AI Writing & Keyboard by QuillBot, a Learneo Inc. business

Paraphrase & Grammar Check App

Editor's Choice

📊 Productivity

4.7😐(2.7K ratings)

FreeAdsIn-App Purchases

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Enhance your writing with an AI-powered assistant that offers paraphrasing, grammar correction, and translation. Generate ideas, detect AI-written content, and create images directly from your device. Improve communication and overcome writer's block with this versatile tool.

What We Love

🚀 Helpful paraphrasing tool
👍 Convenient keyboard integration
💡 Useful for writing and editing
👍 Improves writing quality

Room to Improve

🐛 Buggy keyboard and app performance
🔒 Difficult to cancel subscription
👎 Limited features compared to website

#2

Chat with AI Ask by Fahad Manzoor

Language Generation

Strong Contender

📊 Productivity

4.1(7 ratings)

FreeAdsIn-App Purchases

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Engage in natural conversations with an advanced AI chatbot. This app uses sophisticated language processing to simulate human interaction, helping you practice communication skills or simply enjoy a chat. It's designed for easy use, whether you're speaking or typing.

#3

AI Chatbot - Ask AI Anything‎ by Neural Techlabs Srl

Built on OpenAI ChatGPT & GPT5

Worth Considering

📊 Productivity

4.5(121 ratings)

FreeIn-App Purchases

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This app provides a sophisticated conversational experience by leveraging advanced language models like ChatGPT, Grok, and Claude. It understands natural language and generates human-like responses for a wide range of topics and tasks. Features include email automation, document generation, and visual analysis.

More Natural Language Processing apps to explore

Monica AI: Ultimate AI Assist

Monica AI: Ultimate AI Assist

Chat, Search, Write, Translate

An all-in-one AI assistant for chat, search, writing, translation, and creative image/video generation. It leverages advanced AI models to enhance productivity and creativity across various tasks, from summarizing documents to creating art.

Smart AI Chat with top modelsText-to-image and text-to-video creationIntelligent search and document summarization

📊 Productivity

free with in-app purchases

Chatbot App: AI Assistant

Chatbot App: AI Assistant

Chatbot built on top Al models

Access multiple advanced AI models like ChatGPT, Gemini, and Claude in a single, user-friendly application. Engage in real-time voice chats, generate images, get expert insights, and receive personalized coaching for various aspects of your life.

Real-time voice chatInteractive explanations and visualized answersAI-powered travel planning

📊 Productivity

Genora AI – Chat Bot Assistant

Genora AI – Chat Bot Assistant

Smart Assistant for All Tasks

This AI assistant combines conversational intelligence with real-time search to help you work, learn, and create. It offers advanced chat capabilities with multiple AI models, visual search analysis, and voice input for enhanced productivity.

Multiple AI model selectionReal-time search with verified sourcesAI image and document analysis

📊 Productivity

free with in-app purchases

Chatbot AI - Smart Search Bot

Chatbot AI - Smart Search Bot

Voice Chat & Text Generator

This AI-powered assistant provides instant answers to any question, generates creative text content, and summarizes long documents. It also acts as a language practice partner, offers lifestyle guidance, and assists with learning and coding.

AI Chat AssistantCreative Text GenerationSmart Summarization

📊 Productivity

free with in-app purchases

Chat Unlimited & Ask Brutus AI

Chat Unlimited & Ask Brutus AI

Powered by ChatGPT & GPT API

Engage in intelligent conversations with an AI assistant powered by advanced language models and internet search. This app offers a free mode, stores past conversations, and assists with various tasks, learning, and creative endeavors. Enjoy a private and secure chat experience with a user-friendly interface.

AI Chat Bot AssistantOpenAI GPT-4 API integrationInternet Search capabilities

free with in-app purchases

AI Chatbot - Ask Me Anything

AI Chatbot - Ask Me Anything

Top AI tools in one app

This intelligent virtual assistant uses AI to understand your requests and provide helpful information. It can answer questions, write content, translate languages, solve math problems, generate images, and summarize documents. Access multiple top AI models for a comprehensive experience.

Answer questionsWrite emails, papers, essaysCompose stories and poems

📊 Productivity

Natural Write - Humanize AI

Natural Write - Humanize AI

Humanizer ai - bypass detector

This app helps you rephrase sentences, rewrite paragraphs, and bypass AI detectors. It offers intelligent rewriting with multiple modes and an integrated AI detector to ensure your text sounds natural and human-like.

Intelligent paraphrasing and rewritingBuilt-in AI detector checkBypass and pass AI detectors

📊 Productivity

free with in-app purchases

Natural Write: AI Humanizer

Natural Write: AI Humanizer

AI Detector & Humanizer

📊 Productivity

ChatLLM: AI Assistant & Chat

ChatLLM: AI Assistant & Chat

DeepAgent, Voice & AI Creator

Access multiple advanced AI models for chat, content creation, and task automation. Features include an autonomous AI agent, real-time meeting transcription, and voice interaction. Generate images, videos, and code, or analyze documents with this comprehensive AI assistant.

Autonomous AI agent for complex tasksReal-time meeting transcription and insightsMulti-model AI chat (GPT-5, Opus, Gemini)

📊 Productivity

AI Chat, open, assistant, pro

This app offers an advanced AI-powered chat and writing assistant. It understands natural language for real-time conversations and helps craft professional emails, messages, and other written content with ease and precision.

AI chat bot for natural language conversationsReal-time responsesWriting assistant for emails and messages

📊 Productivity

free with in-app purchases

Gem AI: Ask Chat Bot Assistant

Gem AI: Ask Chat Bot Assistant

Developed on Deepseek & Gemini

This AI-powered assistant helps generate images from text prompts, create custom AI assistants, and tackle various tasks like writing, coding, and translation. It streamlines content creation and boosts productivity with intelligent responses.

AI image generation from promptsCustom AI assistant creationContent creation assistance

📊 Productivity

free with in-app purchases

ChatGPT for Intune

ChatGPT for Intune

The official app by OpenAI

📊 Productivity

GPT AI Assistant Chat－Chatbot

GPT AI Assistant Chat－Chatbot

AI powered by ChatGPT & GPT－5

This AI-powered assistant helps you write, create, learn, and get instant answers. It leverages advanced AI models to generate text, images, and summaries from various inputs, making daily tasks more efficient.

AI-powered writing assistanceInstant answers and explanationsContent summarization and analysis

📊 Productivity

free with in-app purchases

Google AI Edge Eloquent

Google AI Edge Eloquent

This dictation app uses advanced AI to convert your speech into polished, accurate text, automatically removing filler words and self-corrections. It offers on-device processing for enhanced privacy and can transcribe audio and video files. The app works offline and is free to use with no limits.

Intelligent text polishingOn-device AI processingAudio and video file transcription

📊 Productivity

Google AI Edge Gallery

Google AI Edge Gallery

Run powerful open-source AI models directly on your mobile device. Experience generative AI offline, privately, and with high performance. Explore features like agent skills, AI chat with reasoning visualization, and image/audio analysis.

On-device LLM executionAgent skills for proactive assistanceAI chat with reasoning visualization

📊 Productivity

iTranslate Converse

iTranslate Converse

Real-time voice translator

This app transforms your phone into a real-time voice translation device. It supports natural conversations in 38 languages with automatic language detection and superior accuracy, even in noisy environments. Transcripts of your conversations can also be viewed and exported.

Real-time voice translationSupports 38 languagesAutomatic language detection

free with in-app purchases

Humanize AI Text & AI Detector

Humanize AI Text & AI Detector

Undetectable ai checker tool

This app helps you refine your writing by detecting AI-generated content and transforming it into natural, human-like prose. It ensures your text avoids AI detectors and offers intelligent text generation and multilingual translation.

AI Content DetectorAdvanced Text HumanizerAvoid AI Detector

free with in-app purchases