Comparison

tldiagram vs Corterm

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

Head to head
About

tldiagram

Features
Read full description

Software system-architecture diagramming app that helps engineering teams design, debug, and communicate complex distributed systems. tldiagram makes it easy to create nested views of a complex system with higher detail as you go deeper that can be zoomed in and out to give you the context you need without the noise.

About

Corterm

Features
Read full description

Corterm brings your self-hosted terminal workspace to iPhone and iPad. Install a Worker on your server, Mac, PC, or container host, connect it to your Gateway, and start shell sessions from anywhere. Use Corterm to: • create and reconnect terminal sessions on your own machines • manage online workers and check their status • activate workers with a simple device-flow code • keep long-running sessions available across reconnects • work with a touch-friendly mobile interface Corterm is built for developers, operators, and power users who want remote terminal access without handing infrastructure to a third-party cloud. You host the Gateway. You run the Workers. Your sessions stay yours.

Screenshots

tldiagram4 screens
Corterm4 screens

Verdict

The call

The clearest difference is iOS requirement: tldiagram at 15.0 against Corterm's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

tldiagram ships an update every 2 weeks, Corterm weekly. The most recent releases landed on September 23, 2026 and September 10, 2026 respectively.

Scorecard1 real difference Ā· 5 level
tldiagram versus Corterm: the parameters behind the verdict, then further details
ParametertldiagramCorterm
PriceFreeFree
Update frequencyEvery 2 weeksWeekly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better18.0
Further details — not scored
Size47 MB83 MB
Age rating4+17+
Developermert can cikla振伟 阮

In-app purchases

None

tldiagram

No in-app purchases

None

Corterm

No in-app purchases

Questions

Is tldiagram free?
tldiagram is free to download, with no in-app purchases.
Is Corterm free?
Corterm is free to download, with no in-app purchases.
Do tldiagram or Corterm have ads?
Neither tldiagram nor Corterm shows ads.
Which is updated more often, tldiagram or Corterm?
tldiagram ships an update every 2 weeks, and Corterm weekly. Most recently, tldiagram was updated on September 23, 2026 and Corterm on September 10, 2026.

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