Comparison

Regular Expression Test vs Insterm

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

Head to head

Regular Expression Test

Simple SSH client

About

Regular Expression Test

Features

Read full description

Regular expression check tool. It is a tool to check in advance the regular expression to be embedded in the program and the like.

About

Insterm

Features

Read full description

By specifying the host name (IP address, etc.), user name, password, and port number in the app, you can log in remotely using SSH. After logging in, you can display the terminal screen and perform command operations.

Screenshots

Regular Expression Test3 screens

Insterm3 screens

Verdict

The call

The clearest difference is ads: Regular Expression Test at none against Insterm's shown. Regular Expression Test also leads on iOS requirement (14.0 vs 17.0). Insterm's advantage is update cadence (every 5 months vs every 49 months). On price, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Regular Expression Test ships an update every 49 months, Insterm every 5 months. Both last shipped on October 6, 2026.

Scorecard3 real differences · 3 level

Regular Expression Test versus Insterm: the parameters behind the verdict, then further details
Parameter	Regular Expression Test	Insterm
Price	Free	Free
Update frequency	Every 49 months	Every 5 months — better
Ads	No — better	Yes
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	14.0 — better	17.0
Further details — not scored
Size	0 MB	10 MB
Age rating	4+	4+
Developer	SHIN INABA	Yusuke Mori

In-app purchases

None

Regular Expression Test

No in-app purchases

None

Insterm

No in-app purchases

Questions

Is Regular Expression Test free?

Regular Expression Test is free to download, with no in-app purchases.

Is Insterm free?

Insterm is free to download, with no in-app purchases.

Do Regular Expression Test or Insterm have ads?

Insterm shows ads; Regular Expression Test does not.

Which is updated more often, Regular Expression Test or Insterm?

Regular Expression Test ships an update every 49 months, and Insterm every 5 months. Most recently, Regular Expression Test was updated on October 6, 2026 and Insterm on October 6, 2026.