Comparison

PostX vs SimpleSSM

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

SimpleSSM

Features
Read full description

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

PostX4 screens
SimpleSSM4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

PostX ships an update every 3 months, SimpleSSM every 6 weeks. Both last shipped on October 14, 2026.

Scorecard2 real differences · 9 level
PostX versus SimpleSSM: the parameters behind the verdict, then further details
ParameterPostXSimpleSSM
PriceFreeFree
Rating3.0 (10 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings10 — better—
Update frequencyEvery 3 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
Best chart rank#81 — better—
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS17.6 — better26.0
Further details — not scored
Size4 MB37 MB
Age rating4+4+
DeveloperAnupkumar Naginbhai PatelColemaco LLC

In-app purchases

3 purchases

PostX

Subscriptions3
  • Postmon Pro Weekly$4.997 Days
  • Postmon Pro Monthly$9.991 Month
  • Postmon Pro Yearly$24.991 Year
4 purchases

SimpleSSM

Subscriptions3
  • Pro Mobile Monthly$2.991 Month
  • Pro Mobile Yearly$24.991 Year
  • Yearly$39.991 Year
One-time1
  • Lifetime$149.99

Questions

Is PostX free?
PostX is free to download, with in-app purchases available.
Is SimpleSSM free?
SimpleSSM is free to download, with in-app purchases available.
Do PostX or SimpleSSM have ads?
Neither PostX nor SimpleSSM shows ads.
Which is updated more often, PostX or SimpleSSM?
PostX ships an update every 3 months, and SimpleSSM every 6 weeks. Most recently, PostX was updated on October 14, 2026 and SimpleSSM on October 14, 2026.

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