Comparison

glrkgl vs caTTho

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

Head to head

glrkgl

Robot Noisemaking Device

Free

🎵 Music

★ 5.08 ratingsView app →

Note your tab

About

glrkgl

This application allows users to create robot noises using their phone. It aims to disrupt conversations with unique sound effects. Simply touch and dance to generate robot sounds.

Highlights

Robot noise generation
Interactive sound creation
Conversation disruption tool
Touch-based controls
Dance integration

Read full description

Make Robot Noises With Your Phone Most startups disrupt industries. glrkgl disrupts conversations. "TOUCH! DANCE! glrkgl."

About

caTTho

Features

Read full description

If you have any idea for good guitar or bass riff, note it using this app and export it to file or raw text.

Screenshots

glrkgl1 screens

caTTho4 screens

Verdict

The call

The clearest difference is in-app purchases: glrkgl at none against caTTho's 1. glrkgl also leads on device support (4 vs 2) and iOS requirement (12.0 vs 26.0). caTTho's advantage is update cadence (every 7 months vs every 55 months). On price and ads 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. caTTho sells 1 one-off in-app purchase. glrkgl asks for nothing beyond the download.

UpkeepUpdate frequency

glrkgl ships an update every 55 months, caTTho every 7 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level

glrkgl versus caTTho: the parameters behind the verdict, then further details
Parameter	glrkgl	caTTho
Price	Free	Free
Rating	5.0 (8 ratings) — better	—
Positive reviews	100.0% of reviews	—
Number of ratings	8 — better	—
Update frequency	Every 55 months	Every 7 months — better
Ads	No	No
In-app purchases	No — better	Yes
Monetization	Free	—
Devices	iPhone, iPad, iPod, Apple Watch — better	iPhone, iPad
Requires iOS	12.0 — better	26.0
Further details — not scored
Size	9 MB	13 MB
Age rating	4+	4+
Developer	Greg Kufera	Vlastimil Stefl

In-app purchases

None

glrkgl

No in-app purchases

1 purchases

caTTho

One-time1

Premium fatures$0.99

Questions

Is glrkgl free?

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

Is caTTho free?

caTTho is free to download, with in-app purchases available.

Do glrkgl or caTTho have ads?

Neither glrkgl nor caTTho shows ads.

Which is updated more often, glrkgl or caTTho?

glrkgl ships an update every 55 months, and caTTho every 7 months. Most recently, glrkgl was updated on November 1, 2026 and caTTho on October 30, 2026.