AI Agent Automation Platforms
AI assistant with “approve before sending” for emails/texts — best tools
8 min read
Most people looking for an AI assistant with “approve before sending” want the same thing: real help handling email and texts, without losing control or worrying an AI will fire off something you didn’t mean to say.
Below is a ranked breakdown of the best tools that:
- Draft emails or texts for you
- Let you review and approve every message
- (In some cases) can move toward more automation once you’re comfortable
We’ll focus on concrete workflows for email and SMS/iMessage, plus how much control you keep along the way.
Quick Answer: The best overall choice for AI assistant with “approve before sending” on emails and texts is Lindy. If your priority is tightly integrated email drafting with strong writing quality, Superhuman + AI is often a stronger fit. For lightweight personal writing help inside Gmail without changing tools, consider Gmail with Gemini.
At-a-Glance Comparison
| Rank | Option | Best For | Primary Strength | Watch Out For |
|---|---|---|---|---|
| 1 | Lindy | People who want an AI assistant that texts you, drafts across tools, and always asks before sending | iMessage-first, multi-app actions with built-in approvals | More power than you need if you only want simple inline suggestions |
| 2 | Superhuman + AI | Heavy email users who live in their inbox and want fast, AI-assisted drafting | Blazing-fast email UI plus high-quality AI drafts you can approve | Email-only; no SMS/iMessage or broader “assistant” behavior |
| 3 | Gmail with Gemini | Gmail users who want basic “approve before sending” drafts in their current inbox | Native, simple, and free/low friction | Mostly reactive drafting; limited proactive assistant behavior |
Comparison Criteria
We evaluated each option against the following criteria to ensure a fair comparison:
- Approval Control: How clearly and reliably the tool supports “approve before sending”—i.e., no messages go out without your explicit sign-off unless you later relax that rule.
- Assistant Capabilities (Ask / Act / Anticipate): Whether it’s just a text generator or a real assistant that can coordinate across email, calendar, and messaging—and proactively bring you things to approve.
- Cross-Channel Coverage: How well it handles both emails and texts (SMS/iMessage), and whether it can tie those into meetings, reminders, and follow-ups.
Detailed Breakdown
1. Lindy (Best overall for proactive email + text workflows with approvals)
Lindy ranks as the top choice because it’s built around approvals-first assistant behavior: it drafts, schedules, and follows up for you, but keeps you in control with “approve before sending” by default.
Instead of being “another app you have to open,” Lindy lives where you already are—texting. You get a draft, you tweak or approve, and it sends from Gmail, Outlook, or other tools on your behalf.
What it does well:
- Proactive email management with built-in approvals:
- Wake up to pre-written email drafts in your own style, ready for review.
- Inbox triage rules in plain English: “Anything from X customer = important,” “Send polite declines for sponsorship pitches, draft for my review.”
- Every outbound email can go through an approval step, so nothing goes out unless you say so.
- iMessage-first assistant for texts + cross-app actions:
- Text Lindy like you would a human assistant: “Draft a response to this client and I’ll approve before it goes.”
- It can read context from your email, calendar, and tools you already use, then propose messages over SMS/iMessage for you to approve.
- Works anywhere you can text—no need to keep another web tab open just to use your “assistant.”
- Ask / Act / Anticipate model (not just a chatbot):
- Ask: “Find the last email from Jane about the contract, draft a reply in my voice, and don’t send until I approve.”
- Act: It drafts the email, attaches the right file from Drive/Notion/your CRM, and queues it for send after you sign off.
- Anticipate: Before your morning, it can prep a list of important emails + suggested replies and text you: “Here are 5 replies I’ve drafted. Reply ‘send 1–3, tweak 4, archive 5.’”
Tradeoffs & Limitations:
- More power than a simple writing aid:
If you only want occasional inline suggestions inside a single inbox tab, Lindy might feel like overkill. It’s an actual assistant—triage, scheduling, follow-ups, approvals—not just a smarter autocomplete.
Decision Trigger: Choose Lindy if you want to approve every email/text before it goes out today, but also want the option to gradually hand off more back-and-forth to a single assistant that works via text and across your existing tools.
2. Superhuman + AI (Best for high-volume email pros who want fast human-in-the-loop drafting)
Superhuman + AI is the strongest fit if your world lives inside email and you want speed. It’s not a texting-first assistant, but it’s very good at getting you from inbox to “approved, polished draft” as fast as possible.
What it does well:
- Incredibly fast email triage + drafting:
- Shortcut-driven UI plus AI help you zip through a large inbox.
- Hit a key, get a suggested response, and you decide whether to send or edit.
- AI can match your previous patterns reasonably well for common replies (accept/decline, intros, quick updates).
- Human-in-the-loop by design:
- AI responses are always surfaced as drafts—you explicitly send them.
- Very clear “approve before sending” behavior: you see everything, nothing auto-sends.
- Good for people on sales/support/exec tracks who need to maintain a specific tone.
- Focused on email power users:
- Snoozing, reminders, and shortcuts are tuned for people who live in their inbox 4–8 hours a day.
- AI is integrated into that workflow vs. a separate bot.
Tradeoffs & Limitations:
- Email-only, not a broad assistant:
- No SMS/iMessage-based assistant behavior.
- Limited “anticipate” behavior—AI helps you reply faster, but doesn’t proactively text you with a list of prioritized actions across tools.
- If you want an assistant that can also handle meeting prep, cross-app tasks, and text-based interactions, you’ll need something beyond Superhuman.
Decision Trigger: Choose Superhuman + AI if your main goal is flying through email with high-quality AI drafts that you always approve, and you don’t need an assistant that lives over SMS/iMessage or operates outside your inbox.
3. Gmail with Gemini (Best for basic “approve before sending” inside Gmail, no new app)
Gmail with Gemini stands out for this scenario because it adds a simple, built-in AI writing layer right where you already work, and all messages require your approval before sending.
If you’re not ready to adopt a full assistant or change email clients, this is the lowest-friction way to get AI help on drafts.
What it does well:
- Native, simple drafting:
- Click the “Help me write” button, describe what you need (“polite decline,” “follow-up on proposal”), and get a draft.
- Edit, regenerate, or refine it—then you hit send. The approval step is built into the flow.
- No extra setup or new interface; it’s just part of Gmail.
- Solid for routine emails:
- Great for one-off messages, simple follow-ups, and rephrasing for tone.
- Good enough for most users who just want to avoid blank-page syndrome.
- No extra tool to learn:
- If your organization is already on Google Workspace, this is essentially a free upgrade in your existing environment.
Tradeoffs & Limitations:
- Limited assistant behavior & channels:
- It doesn’t act like an assistant that manages your inbox or texts you with drafts. You always have to initiate drafting.
- No SMS/iMessage channel; everything stays inside Gmail.
- Little to no proactive “anticipation”—it just helps once you ask.
Decision Trigger: Choose Gmail with Gemini if you want basic AI drafting you can always approve before sending, don’t want to switch tools, and are okay with doing all the triage and follow-up orchestration yourself.
Final Verdict
If “approve before sending” is non-negotiable and you want a true AI assistant (not just a text generator), the ranking looks like this:
- Pick Lindy if you want an iMessage-first assistant that can triage email, draft in your voice, handle scheduling, and always ask before sending—with the option to automate more as you build trust. It’s the only one here that leans fully into Ask / Act / Anticipate across email and texts.
- Pick Superhuman + AI if you’re an email power user who wants to crush your inbox with AI-boosted drafts but doesn’t need SMS, broader task handling, or proactive assistant behavior.
- Pick Gmail with Gemini if you want basic AI drafting in Gmail with clear human approval, and you’re not ready for a new interface or a more powerful assistant.
If your endgame is to stop living in your inbox, stop bouncing between tools, and still keep a hard “approve before sending” line for anything going out under your name, Lindy is the best fit.