Comparison

Morse Code Keys vs Transparent PNG Maker

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

Head to head
About

Morse Code Keys

Master Morse code with this free training application. Practice and drill each letter of the alphabet at your own pace. Ideal for beginners looking to build a solid foundation in Morse code communication.

Highlights
  • Morse code alphabet practice
  • Letter drilling exercises
  • Beginner-friendly interface
  • Free to use
Features
Read full description

Learning morse code can be tough without the right tools. That's why we created Morse Code Keys - Trainer. With this free app, you're going to be able to take the time to practice and drill in each letter of the alphabet. Once you're confident in your skills, download our other app: Morse Code Keys, which will allow you to utilize your new skill with a morse code keyboard that can be used across any app. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Transparent PNG Maker

Create high-quality transparent PNGs directly on your device. This app offers fine-tuning controls for background removal and ensures your images remain private by processing them entirely offline. It's ideal for logos, product photos, and graphics.

Highlights
  • Create transparent PNGs
  • Fine-tune background removal
  • Offline processing
  • Batch processing
  • Preview backgrounds
  • Export high-quality PNGs
Features
Read full description

Create beautiful transparent PNGs — privately on your device. Transparent PNG Maker removes backgrounds and creates high-quality transparent PNGs in seconds. Everything happens directly on your iPhone or iPad, so your images never leave your device. Fine-tune background removal with Removal Strength and Edge Softness controls, reset adjustments to Auto anytime, and copy your finished transparent PNG when you're ready to use it. Perfect for logos, signatures, product photos, graphics, documents, stickers, and more. Features: • Create transparent PNGs in seconds • Fine-tune results with Removal Strength and Edge Softness • Reset adjustments to Auto anytime • Remove backgrounds completely offline • Keep your images private — no uploads or cloud processing • Batch process multiple images at once • Preview Original, Transparent, and Dark backgrounds before exporting • Copy your finished transparent PNG • Export high-quality PNG files ready to use anywhere • View file details before saving • Fast, clean, and easy-to-use interface • Universal app for iPhone and iPad Perfect for: • Digital signatures • Company logos • Product photography • Online marketplaces • Documents and presentations • Websites and social media graphics • School and business projects Privacy First: Your photos are processed entirely on your device using Apple's built-in technologies. We never upload, store, or analyze your images. No subscriptions. No accounts. No ads. Just beautiful transparent PNGs.

Screenshots

Morse Code Keys4 screens
Transparent PNG Maker4 screens

Verdict

The call

The clearest difference is review sentiment: Morse Code Keys at 56% against Transparent PNG Maker's 0%. Morse Code Keys also leads on price (Free vs $2.99) and rating (4.4 vs 2.0). Transparent PNG Maker's advantage is in-app purchases (none vs 3) and ads (none vs shown). On 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

Morse Code Keys is free to download; Transparent PNG Maker costs $2.99 up front. Morse Code Keys sells 3 in-app purchases, starting at $2.99 per month. Transparent PNG Maker asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Morse Code Keys holds the better App Store score, 4.4 against 2.0. That said, the two scores are not equally well evidenced: Morse Code Keys has 177 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 56% of Morse Code Keys's written reviews are positive against 0% of Transparent PNG Maker's.

UpkeepUpdate frequency

Morse Code Keys ships an update every 11 months, Transparent PNG Maker every 6 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard9 real differences · 1 level
Morse Code Keys versus Transparent PNG Maker: the parameters behind the verdict, then further details
ParameterMorse Code KeysTransparent PNG Maker
PriceFree — better$2.99
Rating4.4 (177 ratings) — better2.0 (1 ratings)
Positive reviews55.6% of reviews — better0.0% of reviews
Number of ratings177 — better1
Update frequencyEvery 11 monthsEvery 6 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size9 MB2 MB
Age rating4+4+
DeveloperCaesar Salad Software LLCOpsOh LLC

Customer experience

Morse Code Keys

All ratings176 ratings
Positive85.8%
Neutral5.7%
Negative8.5%
Written reviews45 reviews
Positive55.6%
Neutral8.9%
Negative35.6%

Transparent PNG Maker

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

Morse Code Keys

Reported bugs

10 issues
  • Audio stopped working after iOS update
  • Audio never worked over wireless headphones
  • Letter Z not appearing in practice sessions
  • Sound doesn't work
  • Tone sound lags between touching screen and playing
Show 5 more
  • Buttons don't register until finger is lifted
  • Sound doesn't show up on older devices
  • App opens with 'A' and doesn't progress
  • Doesn't go past letter A
  • Dit and Dah keys are backwards from standard

Requested features

7 requests
  • Ability to select individual letters for practice
  • Option to remove ads for a one-time fee
  • Add numbers and punctuation
  • Fix dit/dah key order for iambic keys
  • Option to adjust WPM (words per minute)
Show 2 more
  • Add a home screen
  • More settings options

Transparent PNG Maker

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Morse Code Keys

Subscriptions2
  • Remove Ads Monthly$2.991 Month
  • Remove Ads Yearly$9.991 Year
One-time1
  • Remove Ads Forever$19.99
None

Transparent PNG Maker

No in-app purchases

Questions

Is Morse Code Keys free?
Morse Code Keys is free to download, with in-app purchases available.
Is Transparent PNG Maker free?
Transparent PNG Maker costs $2.99, with no in-app purchases.
Which has better reviews, Morse Code Keys or Transparent PNG Maker?
Morse Code Keys is rated higher. Morse Code Keys averages 4.4 out of 5 from 177 ratings, while Transparent PNG Maker averages 2.0 from 1 ratings.
Do Morse Code Keys or Transparent PNG Maker have ads?
Morse Code Keys shows ads; Transparent PNG Maker does not.
Which is updated more often, Morse Code Keys or Transparent PNG Maker?
Morse Code Keys ships an update every 11 months, and Transparent PNG Maker every 6 weeks. Most recently, Morse Code Keys was updated on October 24, 2026 and Transparent PNG Maker on October 25, 2026.

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