PostX vs SimpleSSM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PostX
This app allows developers to build and test REST, HTTP, and SOAP APIs directly on their iPhone or iPad. It supports various request methods, authentication types, and body formats, with features for organizing requests and inspecting responses.
- HTTP/HTTPS methods (GET, POST, PUT, DELETE, PATCH)
- Custom query parameters
- Basic, Bearer/JWT, OAuth authentication
- Customizable headers
- Multiple body formats (raw, binary, GraphQL, form-data)
- Pre-request and post-response scripting
- Response viewer with status codes and prettified JSON
- Request history and workspaces
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PostX is a powerful yet simple API client for iPhone and iPad for working with REST APIs, HTTP APIs, and even occasional SOAP APIs. Use this REST API client and HTTP API client to quickly build requests, inspect responses, and iterate on your backend without needing a desktop tool. Features of PostX • HTTP/HTTPS methods Send requests with GET, POST, PUT, DELETE, PATCH, and more so you can cover most modern REST and HTTP APIs in one API client. • Custom parameters Add query parameters with key, value, and descriptions to keep complex endpoints organized and reusable in your API-client testing workflow. • Authorization Use Basic, Bearer/JWT, and OAuth-style authentication to connect securely to protected APIs directly from this REST API client for iOS. • Headers Add custom headers, with common ones like Content-Type and User-Agent ready for quick setup when using this HTTP API client on iPhone and iPad. • Body formats Build request bodies in raw, binary, GraphQL, form-data, and x-www-form-urlencoded formats to handle most real-world REST and HTTP API scenarios. • Scripts Insert pre-request and post-response scripts to handle tokens, variables, and simple checks without leaving your API client. • Response viewer View status codes, headers, and prettified JSON to understand and debug API behavior faster during API-client testing. • History Automatically save requests and responses so you can rerun, tweak, and reuse them whenever you need inside your API client for iOS. • Workspaces Create workspaces to organize APIs by project, service, or environment so you can keep related requests grouped and easy to access. Its a great alternative to Postman PostX is an all-in-one REST API client and HTTP API client for iPhone and iPad that brings your desktop API workflow to iOS. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://elevarelab.site/privacy
SimpleSSM
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SimpleSSM puts your AWS EC2 fleet in your pocket. Browse instances, watch metrics, run commands, and open a full terminal on any instance — all over AWS Systems Manager (SSM), with no VPN, no bastion hosts, no SSH keys, and no open inbound ports. Whether you're on call, away from your desk, or just prefer working from an iPad, SimpleSSM gives you real access to your infrastructure — not just a dashboard. A REAL TERMINAL Open a secure shell on any SSM-managed instance, right from your iPhone or iPad. Full terminal emulation with a keyboard toolbar built for shell work. On iPad, keep multiple connections open at once and switch between them from the sidebar. YOUR WHOLE FLEET AT A GLANCE - Browse instances across AWS accounts and regions with profiles - Filter by running, favorites, or recently connected - Instance details: state, health checks, IPs, tags, security groups - Start, stop, and reboot instances with confirmation guards - CloudWatch metrics — CPU, network, disk and more — in a swipeable carousel you can customize RUN COMMANDS WITHOUT CONNECTING Send shell commands to instances via SSM Run Command and read the output in the app. Save your go-to one-liners as snippets so fixing things twice never means typing them twice. BUILT FOR SECURITY - All traffic rides AWS Systems Manager sessions — your instances need no public IPs and no open ports - Supports IAM access keys and AWS IAM Identity Center (SSO) - Credentials are stored in the device Keychain, never on our servers - Lock the app behind Face ID / Touch ID - Sessions are logged in AWS like any other SSM session, so your audit trail stays intact FREE AND PRO The free version is fully functional with one profile, one connection at a time, and one snippet. SimpleSSM Pro Mobile removes every limit on iPhone and iPad. Or step up to SimpleSSM Pro — one upgrade that unlocks everything on iPhone, iPad, AND the SimpleSSM Mac app, including Mac-only features like SSM port-forwarding tunnels and terminal themes. REQUIREMENTS You'll need an AWS account with instances managed by AWS Systems Manager (the SSM agent is preinstalled on most Amazon-provided AMIs) and IAM permissions for Session Manager. Want to try it first? Enter "demo" for both credential fields to explore the app with sample instances — no AWS account needed. SimpleSSM is an independent application and is not affiliated with, endorsed by, or sponsored by Amazon Web Services, Inc. or its affiliates. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is chart position: PostX at #81 against SimpleSSM's unranked. PostX also leads on iOS requirement (17.6 vs 26.0). On price, update cadence, ads and in-app purchases 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. PostX sells 3 in-app purchases, starting at $4.99 per 7 days and SimpleSSM sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
PostX ships an update every 3 months, SimpleSSM every 6 weeks. Both last shipped on October 14, 2026.
| Parameter | PostX | SimpleSSM |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (10 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 10 — better | — |
| Update frequency | Every 3 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Best chart rank | #81 — better | — |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 17.6 — better | 26.0 |
| Further details — not scored | ||
| Size | 4 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Anupkumar Naginbhai Patel | Colemaco LLC |
In-app purchases
PostX
- Postmon Pro Weekly$4.997 Days
- Postmon Pro Monthly$9.991 Month
- Postmon Pro Yearly$24.991 Year
SimpleSSM
- Pro Mobile Monthly$2.991 Month
- Pro Mobile Yearly$24.991 Year
- Yearly$39.991 Year
- Lifetime$149.99









