Comparison

No_Chat vs Camera RPM Meter

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

Head to head
About

No_Chat

Display custom text messages on your phone screen to communicate in noisy environments. This virtual billboard is perfect for ordering drinks or getting attention across a room. It also features a game and Morse code functionality.

Highlights
  • Customizable text display
  • Virtual billboard functionality
  • Morse code display
  • In-app game
  • Communication in loud venues
Features
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Get someone's attention by flashing a short message on your phone screen. Create a custom message that can say anything to communicate at a loud venue. No Chat is your own mini virtual billboard that can display custom messages to tell someone something from across the room. An absolute must-use app when in a noisy bar trying to compete with a group of strangers by yelling a drink order. It also includes a new game and can also show Morse Code. No Chat - Talk without speaking.

About

Camera RPM Meter

Measure rotational speed using your phone's camera or a simulated strobe light. Simply mark the rotating object and adjust the settings until it appears stationary to get an accurate RPM reading. The app also functions as a torchlight.

Highlights
  • Measure RPM with mobile camera
  • Measure RPM with strobe light simulation
  • Adjust RPM with seek bar or buttons
  • Torchlight functionality
  • Offline use
  • Compact app size
Features
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How it works: With Camera: First, mark the edge of the machine whose rotational speed you want to find. Please make sure that the machine is properly visible in the camera preview. Now, go to the app, open camera RPM and adjust the RPM using the plus, minus buttons or seek bar on the screen. Now adjust the RPM unless the rotating machine becomes stationary in the camera preview. Read the value from the input field; this is the RPM of your rotating machine. With Strobe Light First, mark the edge of the machine whose rotational speed you want to find. Ensure that the machine is placed in suitable darkness. Now, go to the app, turn it on and set the approximate value of RPM using the Plus, minus button or seek bar in the strobe light module of the app. Focus your flashlight on the rotating machine, then adjust the RPM using the bar up or down until the mark on the machine appears stationary. Read the value from the input field; this is the RPM of your rotating machine. Features of the RPM Meter - Strobe Lights: • Simple and smooth interface • Check RPM using mobile camera • Check RPM using Strobe light • Easy-to-use app with a user-friendly design • Compact app size • No internet connectivity needed • On/off button functions like a torch • RPM Meter – Strobe Light can be used as a torchlight • Strobe light mode works like a stroboscope. • The strobe light speed can be set in different ways, such as using seek bar or plus/minus buttons in the app.

Screenshots

No_Chat4 screens
Camera RPM Meter3 screens

Verdict

The call

The clearest difference is review sentiment: No_Chat at 92% against Camera RPM Meter's 15%. No_Chat also leads on rating (4.9 vs 2.1) and in-app purchases (none vs 1). Camera RPM Meter's advantage is iOS requirement (12.0 vs 15.6). On price, ratings volume, update cadence 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. Camera RPM Meter sells 1 one-off in-app purchase. No_Chat asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

No_Chat holds the better App Store score, 4.9 against 2.1. Both are backed by a comparable volume of ratings — 32 and 37 respectively. Written reviews point the same way: 92% of No_Chat's written reviews are positive against 15% of Camera RPM Meter's.

UpkeepUpdate frequency

No_Chat ships an update monthly, Camera RPM Meter every 3 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
No_Chat versus Camera RPM Meter: the parameters behind the verdict, then further details
ParameterNo_ChatCamera RPM Meter
PriceFreeFree
Rating4.9 (32 ratings) — better2.1 (37 ratings)
Positive reviews92.3% of reviews — better15.0% of reviews
Number of ratings3237 — better
Update frequencyMonthlyEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.612.0 — better
Further details — not scored
Size32 MB14 MB
Age rating4+4+
DeveloperHagens Media, LLC.Ihsan Ullah

Customer experience

No_Chat

All ratings32 ratings
Positive96.9%
Neutral0.0%
Negative3.1%
Written reviews13 reviews
Positive92.3%
Neutral0.0%
Negative7.7%

Camera RPM Meter

All ratings33 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews20 reviews
Positive15.0%
Neutral5.0%
Negative80.0%

In-app purchases

None

No_Chat

No in-app purchases

1 purchases

Camera RPM Meter

One-time1
  • Un Lock All Features$3.99

Questions

Is No_Chat free?
No_Chat is free to download, with no in-app purchases.
Is Camera RPM Meter free?
Camera RPM Meter is free to download, with in-app purchases available.
Which has better reviews, No_Chat or Camera RPM Meter?
No_Chat is rated higher. No_Chat averages 4.9 out of 5 from 32 ratings, while Camera RPM Meter averages 2.1 from 37 ratings.
Do No_Chat or Camera RPM Meter have ads?
Camera RPM Meter shows ads; No_Chat does not.
Which is updated more often, No_Chat or Camera RPM Meter?
No_Chat ships an update monthly, and Camera RPM Meter every 3 weeks. Most recently, No_Chat was updated on November 1, 2026 and Camera RPM Meter on November 3, 2026.

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