Comparison

Raivo vs HELIO Morse Messenger

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

Head to head
About

Raivo

Securely manage your multi-factor authentication codes with this app. It offers iCloud backup, export/import options, and seamless integration with a companion Mac app for quick access. Enjoy a fast, user-friendly experience with biometric unlocking and open-source transparency.

Highlights
  • iCloud backup and synchronization
  • Export/import one-time passwords
  • Send passwords to Mac
  • Biometric unlock (FaceID/TouchID)
  • Add custom icons
  • Show current and previous OTP
  • Open-source and community-driven
Features
Read full description

Open Raivo Authenticator in one tap, sign in with FaceID and copy your one-time password to your Mac in one tap with the Raivo MacOS companion app. Using a multi-factor authenticator has never been easier! • Backup/synchronise one-time passwords to iCloud (end-to-end encrypted). • Export your one-time passwords to encrypted ZIP archives. • Import one-time passwords from previous exports. • Send your passwords to your Mac in one tap, cross iCloud account (end-to-end encrypted). • Add (custom) icons to your one-time passwords and apply effects. • Fast user experience with most often used functionality easily accessible. • Scan a QR code or add a one-time password manually. • Show both the current and previous one-time password. • Unlock Raivo OTP with FaceID, TouchID or a passcode. • Raivo OTP is native and open-source (built in Swift 5)! • Raivo OTP is open-source and community-driven! Your privacy and security matter to us: https://raivo-otp.com/privacy-policy/ https://raivo-otp.com/security-policy/

About

HELIO Morse Messenger

Features
Read full description

HELIO turns text into Morse code and sends it as flashes of light. Choose International Morse or Japanese Morse and use two devices to communicate with letters, numbers, hiragana, and katakana. KEY FEATURES • Switch between International and Japanese Morse code • Normalize hiragana, katakana, voiced, and semi-voiced marks for Japanese Morse • Transmit at a steady 7 WPM • Receive and decode light signals with the camera • Resend messages from your history • Try the receiving flow with Demo Mode when a camera is unavailable HOW TO USE 1. On the sending device, choose a Morse mode and enter a message. 2. On the receiving device, choose the same mode and start listening first. 3. Start transmission and point the flashing screen toward the receiving camera. SAFETY HELIO uses flashing light. Do not use the app if you are sensitive to flashing lights. Check your surroundings and never use it while driving or in unsafe situations.

Screenshots

Raivo4 screens
HELIO Morse Messenger3 screens

Verdict

The call

The clearest difference is in-app purchases: HELIO Morse Messenger at none against Raivo's 5. HELIO Morse Messenger also leads on iOS requirement (13.0 vs 15.6). Raivo's advantage is update cadence (every 10 days vs every 2 months). On price, ads 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. Raivo sells 5 one-off in-app purchases. HELIO Morse Messenger asks for nothing beyond the download.

UpkeepUpdate frequency

Raivo ships an update every 10 days, HELIO Morse Messenger every 2 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Raivo versus HELIO Morse Messenger: the parameters behind the verdict, then further details
ParameterRaivoHELIO Morse Messenger
PriceFreeFree
Rating4.3 (198 ratings) — better—
Positive reviews36.2% of reviews—
Number of ratings198 — better—
Update frequencyEvery 10 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.613.0 — better
Further details — not scored
Size16 MB18 MB
Age rating4+4+
DeveloperMobimege-nie inc.

Bugs and requests

Raivo

Reported bugs

6 issues
  • Login screen freezes
  • Incompatible with older devices
  • Sync Broken
  • File extract
  • Was my favourite
Show 1 more
  • Another great but seeming abandoned app?

Requested features

4 requests
  • Autofill integration
  • Apple Watch companion app
  • Dark mode option
  • Advanced analytics dashboard

HELIO Morse Messenger

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Raivo

One-time5
  • Coffee-Sized Tip$1.99
  • Domain-sized Tip (x5)$7.99
  • Raivo - Medium Donation$19.99
Show 2 more
  • Hosting-sized tip$41.99
  • License-sized tip$99.99
None

HELIO Morse Messenger

No in-app purchases

Questions

Is Raivo free?
Raivo is free to download, with in-app purchases available.
Is HELIO Morse Messenger free?
HELIO Morse Messenger is free to download, with no in-app purchases.
Do Raivo or HELIO Morse Messenger have ads?
Neither Raivo nor HELIO Morse Messenger shows ads.
Which is updated more often, Raivo or HELIO Morse Messenger?
Raivo ships an update every 10 days, and HELIO Morse Messenger every 2 months. Most recently, Raivo was updated on November 3, 2026 and HELIO Morse Messenger on October 31, 2026.

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