# Agent 37 vs Dropbox Sign (HelloSign)

Agent 37 records 180,030 monthly visits with +24.2% month-over-month growth and Free Trial, Contact for Pricing pricing. Dropbox Sign (HelloSign) records 4,339,818 monthly visits with -2.2% growth and Free Trial, Paid, Contact for Pricing pricing.

| Metric | [Agent 37](https://openaitools.app/tool/agent-37) | [Dropbox Sign (HelloSign)](https://openaitools.app/tool/hellosign) |
| :--- | :--- | :--- |
| Website URL | https://www.agent37.com | https://www.hellosign.com |
| Categories | AI Coaching, AI Agent, AI Developer Tools, Large Language Models (LLMs) | AI Signature Generator, AI Contract Management, AI API, AI PDF |
| Pricing Model | Free Trial, Contact for Pricing | Free Trial, Paid, Contact for Pricing |
| Monthly Visits | 180,030 | 4,339,818 |
| MoM Growth Rate | +24.2% | -2.2% |
| Primary Market | Paraguay | United States |
| Direct Visits | 72,672 | 3,038,664 |
| Review Score | 4.3 | 4.3 |
| Saved Count | 0 | 10 |
| Supported Platforms | Website | Website |

## Agent 37

Agent 37 is a cloud infrastructure product aimed at people who need somewhere real for AI agents to run. Instead of a chat window, every customer gets a sandbox: an isolated Linux container with CPU, memory, persistent disk, an optional public HTTPS URL, and outbound network access. The company positions itself primarily on price, claiming its sandboxes cost roughly 94% less than most competing providers and publishing a comparison table against AWS, Daytona, E2B, Modal, Vercel, and others. Billing is prepaid and metered by the minute — vCPU, memory, and disk each have their own unit rate — with no subscription fee.

Beyond raw compute, Agent 37 ships a layer of agent-specific conveniences. You can start from a ready-made harness such as Claude Code, Codex, OpenClaw, OpenCode, or Hermes, or bring your own Docker image. Agents keep their files across sleep, stop and restart cycles, and can be given cron schedules so they run unattended and simply report results. Model access can come from the platform gateway (Claude, OpenAI, Gemini, Grok) or from your own API keys, and integrations cover services such as Gmail, Slack, Notion, and GitHub through a Composio-based connector catalog, plus metered access to paid tools like web scraping and people/company data.

Security is a major part of the pitch: sandboxes are isolated with gVisor, hosts have no public hostname, ingress goes through Cloudflare with API-key authentication, and outbound traffic is restricted to the public internet. The company states it does not collect prompts, files, or terminal sessions, holds SOC 2 Type I, and is working toward Type II. It also offers startup credits and a free personal agent tier for individuals who just want an agent of their own.

**Pricing & Plans:** Prepaid, pay-as-you-go compute metered per minute with no subscription or minimum. New accounts get a $5 starter credit once a card is on file, and the company advertises up to $10,000 in credits for startups. Exact unit rates are published on the pricing page and change over time, so confirm current figures there.

- **Per-minute sandbox billing:** Pay for vCPU, memory and disk separately while the sandbox runs; when it sleeps or is deleted the compute meter stops and you are left with disk cost only.
- **Ready-made agent harnesses:** Launch Claude Code, Codex, OpenClaw, OpenCode, Hermes, Grok or your own Docker image, each in its own tenant-isolated sandbox.
- **Persistent workspace and scheduling:** Files survive sleep, restarts and weeks of inactivity, and agents can be attached to cron-style schedules so work runs unattended.
- **Networking and custom domains:** Expose individual ports publicly, attach your own domain, or keep everything behind an API key on an authenticated URL.
- **Integrations and metered tools:** Connect 1,000+ apps such as Gmail, Slack, Notion and GitHub, and buy one-off capabilities like scraping or enrichment from the same balance.

**Strengths:** Aggressively low per-minute pricing with an explicit public comparison against major sandbox providers; Persistent disk and scheduling make it suitable for real agent workloads rather than one-shot tasks; Strong isolation story (gVisor, firewalled egress, no public hostnames) plus SOC 2 Type I; Flexible model and tool sourcing: platform gateway, bring-your-own keys, or pay-per-use tools

**Limitations:** Prepaid balance model means you must top up in advance and monitor spend across many sandboxes; Persona pricing and plan details are only available after contacting the team for the white-label and enterprise tracks; Documentation and benchmark claims are largely self-published, so independent verification is limited

[Profile (Markdown)](https://openaitools.app/tool/agent-37.md)

## Dropbox Sign (HelloSign)

HelloSign is the former name of Dropbox Sign. After Dropbox acquired the company, the helloSign.com domain now redirects to Dropbox's signing product, and the service continues under the Dropbox Sign brand with the same core purpose: replacing print-sign-scan with a clean digital workflow.

The product covers the full agreement lifecycle. You start with a document from Dropbox or another connected app, add signers, fields and a personalized message, then send it. Recipients review and sign securely with no account required, and completed documents can be saved automatically to your preferred storage. Templates let recurring documents — NDAs, offer letters, sales contracts — be prepared once and reused, while audit trails record who signed and when.

Beyond signing, Dropbox Sign integrates with Dropbox, Google Drive, Salesforce, OneDrive and other everyday tools, and a separate API lets developers build branded, secure signing directly into their own site, app or customer experience. Dropbox Fax, sold alongside it, sends faxes without a fax machine. The platform claims enterprise-grade security and a 4.7/5 rating on G2, and it positions itself on simplicity and speed of adoption rather than heavy configuration.

**Pricing & Plans:** Dropbox Sign starts a 30-day free trial that can be cancelled anytime. eSignature plans start at $15 per user per month billed yearly, while the API is sold separately starting at $75 per 50 requests per month billed yearly. Custom pricing is available through sales for larger organizations.

- **Account-free signing:** Recipients can review and sign agreements securely without creating an account, which removes friction from external signing.
- **Reusable templates:** Prepare NDAs, offer letters and contracts once, then reuse them for future requests to save time on recurring paperwork.
- **Signing API:** Embed secure, branded eSignature flows directly into your website, app or customer experience with a dedicated API.
- **Automatic document storage:** Completed agreements are saved automatically to your preferred storage account so nothing gets lost in inboxes.
- **Electronic fax:** Dropbox Fax sends faxes online, useful for industries still relying on fax for regulated documents.

**Strengths:** Legally binding eSignatures in the US, EU, UK and many other countries; Recipients sign without needing an account; Integrations with Dropbox, Google Drive, Salesforce and OneDrive; Automated audit trails and document storage

**Limitations:** Now branded as Dropbox Sign, which can confuse people looking for HelloSign; The API is priced separately from the core signing plans; Per-user subscription pricing adds up for large organizations

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

## Frequently Asked Questions

### How do Agent 37 and Dropbox Sign (HelloSign) compare in monthly traffic?

Agent 37 has 180,030 monthly visits, while Dropbox Sign (HelloSign) has 4,339,818. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

Agent 37 has a month-over-month growth rate of +24.2%; Dropbox Sign (HelloSign) has -2.2%.

### How does pricing compare?

Agent 37: Free Trial, Contact for Pricing. Prepaid, pay-as-you-go compute metered per minute with no subscription or minimum. New accounts get a $5 starter credit once a card is on file, and the company advertises up to $10,000 in credits for startups. Exact unit rates are published on the pricing page and change over time, so confirm current figures there. Dropbox Sign (HelloSign): Free Trial, Paid, Contact for Pricing. Dropbox Sign starts a 30-day free trial that can be cancelled anytime. eSignature plans start at $15 per user per month billed yearly, while the API is sold separately starting at $75 per 50 requests per month billed yearly. Custom pricing is available through sales for larger organizations.

## Alternatives

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [Fillout](https://openaitools.app/tool/fillout-com) | 3,923,917 | -9.7% | Freemium | Focuses on AI-generated forms and data collection with built-in signatures, trading dedicated CLM features for form flexibility. | [.md](https://openaitools.app/tool/fillout-com.md) |
| 2 | [RunPod](https://openaitools.app/tool/runpod) | 2,881,043 | +5.9% | Paid | The AI developer cloud for GPU pods, serverless inference and clustering | [.md](https://openaitools.app/tool/runpod.md) |
| 3 | [Modal](https://openaitools.app/tool/modal-com) | 1,196,021 | +30.2% | Freemium, Contact for Pricing | Runs serverless Python containers optimized for AI model inference and batch jobs rather than persistent agent sandboxes. | [.md](https://openaitools.app/tool/modal-com.md) |
| 4 | [Browserbase](https://openaitools.app/tool/browserbase) | 283,597 | -8% | Freemium | Cloud browsers and web APIs for AI agents | [.md](https://openaitools.app/tool/browserbase.md) |
| 5 | [Coder](https://openaitools.app/tool/coder) | 149,417 | -12.8% | Free Trial, Contact for Pricing, Free | Self-hosted infrastructure platform for provisioning secure cloud development workspaces and governing AI coding agents. | [.md](https://openaitools.app/tool/coder.md) |
| 6 | [LinkSquares](https://openaitools.app/tool/linksquares-com) | 107,827 | +57.2% | Contact for Pricing | Delivers enterprise-grade contract analytics and search, trading lightweight signature embedding for deep legal intelligence. | [.md](https://openaitools.app/tool/linksquares-com.md) |
| 7 | [Thunder Compute](https://openaitools.app/tool/thunder-compute) | 102,147 | -29% | Paid (per-minute instances, per-second sandboxes) | Low-cost cloud GPUs with per-minute instances and per-second sandboxes for AI workloads. | [.md](https://openaitools.app/tool/thunder-compute.md) |
| 8 | [boat](https://openaitools.app/tool/boat) | 66,870 | +520.8% | Free Trial, Paid | Offers persistent Ubuntu Linux virtual machines specifically tailored for running AI agents and automated developer workflows. | [.md](https://openaitools.app/tool/boat.md) |
| 9 | [InsForge](https://openaitools.app/tool/insforge) | 60,257 | -11.3% | Freemium, Contact for Pricing, Free | Focuses on agent-native backend infrastructure with integrated databases and auth, whereas Agent 37 is a general sandbox. | [.md](https://openaitools.app/tool/insforge.md) |
| 10 | [exe.dev](https://openaitools.app/tool/exe-dev) | 60,103 | -26.4% | Freemium, Paid | Provides persistent Linux virtual machines with root SSH access, offering more low-level control than Agent 37. | [.md](https://openaitools.app/tool/exe-dev.md) |

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Source: https://openaitools.app/compare/agent-37-vs-hellosign

More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)