Comparison

LetUsListen vs Diameter Finder

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

Head to head
About

LetUsListen

This app converts text into natural-sounding speech using advanced AI. It supports multiple languages and voices, allowing you to save audio files and simulate conversations. Ideal for educational, personal, or professional use.

Highlights
  • High-quality AI-generated speech
  • Multiple languages and regional variations
  • Simulate conversations
  • Save audio as MP3 or M4A
  • Personalize voice, speed, and format
  • Supports text pasting from other apps
Features
Read full description

Let Us Listen converts your texts into speech. Leveraging Google's advanced AI algorithms, the results sound amazing! In most cases, you won't be able to hear a difference between your audio output and a real human voice. High-quality Text-To-Speech in various languages ====================================== Let Us Lisen lets you enter text or quickly paste text from other apps, like your browser, a PDF reader or other sources for the content you want to convert. Currently, Let Us Listen supports high-quality conversion in - English (British English and US American) - German - French - Italian - Spanish - Russian - Turkish - Arabic (multi-region) - Ukrainian Perfect for the classroom, perfect for traveling, perfect for home ================================================ If you are a teacher, support your students by letting them listen to texts or tasks instead of only providing the material in written form. Students with reading disabilities will be able to understand the subject matter better, and other students might profit from audio tasks and information as well. Use Let Us Listen together with hyFee NC or hyFee Drive to provide feedback in a fast and accessible way, without letting overly complicated technology get in the way. For personal use, you could convert a longer newspaper article or blog post into speech, so you can listen to it while driving to work, relaxing during a bike ride or washing the dishes. Simulate conversations =================== Simulate conversations between two or more people, and mix and match the languages and regional variations you need. Add any amount of „people“ to the conversation and just type the intended conversation like you would in any normal messaging app. Easily correct typos by tapping on a message to change its content- Choose between multiple voices in the same regional variation, or mix various regional variations (like a person from the US and India) to simulate conversations between multiple people. Save as mp3 or m4a =============== Depending on your intended usage, it might be handy to have the audio file as a .mp3 or .m4a file. With a simple tap, you can change the desired output format. Set your personal preferences ======================= If you typically convert audio in one language, voice type, speed and file format, you can save your personal preferences so you can quickly enter your text, tap „convert“ and go! One affordable subscription, unlimited conversions ====================================== You can use Let Us Listen without conversion limits with a very affordable, monthly subscription, no hidden costs and no ads.

About

Diameter Finder

This utility app provides a straightforward way to calculate circle properties. Simply input one known value (radius, diameter, circumference, or area) to instantly get the results for the others. It's designed for quick and no-fuss calculations.

Highlights
  • Calculate radius
  • Calculate diameter
  • Calculate circumference
  • Calculate area
  • Input any single value
  • Quick results
Features
Read full description

Diameter Finder - Circle Calculator. Do you need a quick and easy to use circle calculator? No problem, here it is. Enter one value to get the result in no time: Radius Diameter Circumference Area No fuss calculator. Does what it says on the tin.

Screenshots

LetUsListen4 screens
Diameter Finder4 screens

Verdict

The call

The clearest difference is price: Diameter Finder at Free against LetUsListen's $0.99. Diameter Finder also leads on in-app purchases (none vs 1) and ads (none vs shown). LetUsListen's advantage is update cadence (every 2 weeks vs every 5 months). On review sentiment, device support and iOS requirement 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

Diameter Finder is free to download; LetUsListen costs $0.99 up front. LetUsListen sells 1 in-app purchase, starting at $0.99 per month. Diameter Finder asks for nothing beyond the download.

UpkeepUpdate frequency

LetUsListen ships an update every 2 weeks, Diameter Finder every 5 months. Both last shipped on November 3, 2026.

Scorecard5 real differences · 5 level
LetUsListen versus Diameter Finder: the parameters behind the verdict, then further details
ParameterLetUsListenDiameter Finder
Price$0.99Free — better
Rating—5.0 (1 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 2 weeks — betterEvery 5 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better12.1
Further details — not scored
Size85 MB13 MB
Age rating4+4+
DeveloperChristian MayrKrzysztof Gwiazda

Customer experience

LetUsListen

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Diameter Finder

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

LetUsListen

Subscriptions1
  • High-quality Text-To-Speech7 Days trial$0.991 Month
None

Diameter Finder

No in-app purchases

Questions

Is LetUsListen free?
LetUsListen costs $0.99, and also offers in-app purchases.
Is Diameter Finder free?
Diameter Finder is free to download, with no in-app purchases.
Do LetUsListen or Diameter Finder have ads?
LetUsListen shows ads; Diameter Finder does not.
Which is updated more often, LetUsListen or Diameter Finder?
LetUsListen ships an update every 2 weeks, and Diameter Finder every 5 months. Most recently, LetUsListen was updated on November 3, 2026 and Diameter Finder on November 3, 2026.

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