Comparison

iSecret Message vs Private Message Box

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

Head to head
About

iSecret Message

This app allows you to encrypt and decrypt text messages, emails, and other text content. Ensure your private communications are only understood by the intended recipient using a secure key.

Highlights
  • Encrypt/decrypt private messages
  • Secure SMS and email
  • Copy & paste functionality
  • Send encrypted messages directly
  • Requires encryption key for decryption
Features
Read full description

-- With this app only he/she (the intended recipient) can understand your message. Even if an irrelevant person receives your message, he/she will not be able to understand it. -- It keeps your messages private -- Fully compatible with iOS 11 -- Simply secure all your SMS, email and other text messages with your iPhone or iPod. -- Secure your messages and send it to people, people cannot see the plain text unless he/she knows the key/password. FEATURES: - Create a private email or private sms message. - Decode messages that were secured by Secret Message. - Easy copy & paste options for moving text to/from other applications. - Send encrypted/decrypted messages straight to email or text within Secret Message. HOW DOES IT WORK? -- This iSecret Message app has been designed after consultation with network and information security experts. It converts plain text (the text that humans can understand) into a cipher text (encrypted message) that only the intended recipient can decode to a plain text. -- With this app you will be able to send your personal/secret message to him/her and no one will able to understand it except you and him/her. -- To decrypt/decode the message, the recipient will have to copy the received message into the iSecret Message app -- Using the right value of shift the intended recipient can decode the cipher text (encrypted message) back into it's original message. NOTE: -- You must have the correct Encryption Key to decrypt a message (get it from the sender). -- Keep sending us your feedback through the "Feedback and Bug Reporting" option in the Application. Because we love your feedback! We would do our best to make this app as perfect as it could be. We are working with some network and information security experts to make this app more user friendly and to introduce complex encryption algorithms to ensure more safety and convenience in using the app. You can also try our free app "Smart Contacts - End Loneliness" that will add alot to your user experience with lots of features for your contacts app.

About

Private Message Box

Secure your private conversations with password protection. Send unlimited texts, photos, and location details to other users for free. Enhance your privacy with a virtual number option.

Highlights
  • Password protected conversations
  • Free texting between users
  • Send unlimited text, photo, and location
  • Full emoji support
  • Virtual number for hidden communication
  • Privacy Guard
Features
Read full description

Do you want to hide your private conversations? Worried on messages from one friend checked by others, then Private Message Box is for you. It saves messages of secret contacts behind PIN pad. Its easy to use and keeps user conversation secret. Your conversation with PSB contacts is 100% SECRET and secure. It also provides free texting between App Users. Just Sign-In with your number. Send unlimited text, photo and location details to another user. You can do conversations only with users who have enabled Free messaging. 
Full of emoji characters (300 emoji support), useful to represent emotions. Features
- Free text & Multimedia Messaging between Users
- Image/Location sharing
- Password protection: Cannot be opened by other people
- Privacy Guard Pro version feature: -No Advertise - Remove ads from the application. Pro version subscriptions Options: -Duration of the subscription is 1 Year with a charge of $4.99 every year. Buy Virtual Number: - Hide your private conversation from your personal cell phone bill. - Keep your personal phone number hidden from some contacts. - Send or receive messages from anywhere in the world. Buy Virtual Number Options: - 58.99$/year for countries like USA, Canada etc. - 102.99$/year for countries like Estonia, Latvia etc. Please note :- All subscriptions are auto renewable. Subscription will be charged to your credit card through your iTunes account. Your subscription will automatically renew unless auto-renew is turned off at least 24 hours before the end of the current subscription period. You will not be able to cancel the subscription once activated. Account will be charged for renewal within 24-hours prior to the end of the current period. You can cancel your subscription any time by turning off auto-renewal in your iTunes Account Settings. You can manage your subscription in iTunes Account settings after purchase. -Find more information in our privacy policy, click on this link http://privatesmsbox.com/legal.html - For terms of use, click on this link http://privatesmsbox.com/termsofuse.html Excited to receive feedbacks or queries at: info@privatesmsbox.com

Screenshots

iSecret Message4 screens
Private Message Box4 screens

Verdict

The call

The clearest difference is ads: iSecret Message at none against Private Message Box's shown. iSecret Message also leads on iOS requirement (9.0 vs 13.0). Private Message Box's advantage is update cadence (monthly vs every 25 months) and ratings volume (23 vs 2). On price, rating, in-app purchases and monetization model 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. iSecret Message sells 4 one-off in-app purchases and Private Message Box sells 5 in-app purchases, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 3.0 for iSecret Message against 3.1 for Private Message Box. That said, the two scores are not equally well evidenced: Private Message Box has 23 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

iSecret Message ships an update every 25 months, Private Message Box monthly. Both last shipped on November 1, 2026.

Scorecard4 real differences · 6 level
iSecret Message versus Private Message Box: the parameters behind the verdict, then further details
ParameteriSecret MessagePrivate Message Box
PriceFreeFree
Rating3.0 (2 ratings)3.1 (23 ratings) — better
Positive reviews—6.7% of reviews
Number of ratings223 — better
Update frequencyEvery 25 monthsMonthly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better13.0
Further details — not scored
Size27 MB50 MB
Age rating4+17+
DeveloperiFahjaVartit Technology Private Limited

Customer experience

iSecret Message

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%

Private Message Box

All ratings20 ratings
Positive45.0%
Neutral0.0%
Negative55.0%
Written reviews15 reviews
Positive6.7%
Neutral6.7%
Negative86.7%

In-app purchases

4 purchases

iSecret Message

One-time4
  • Send Secret Email$0.99
  • Send Secure SMS$0.99
  • Share on Social Sites$0.99
Show 1 more
  • Remove Ads$0.99
5 purchases

Private Message Box

Subscriptions4
  • Proversion$4.991 Year
  • Buy Number - Zone1 Yearly$21.991 Year
  • Buy Number - Zone2 Yearly$58.991 Year
Show 1 more
  • Buy Number - Zone3 Yearly$102.991 Year
One-time1
  • Get SMS Balance$6.99

Questions

Is iSecret Message free?
iSecret Message is free to download, with in-app purchases available.
Is Private Message Box free?
Private Message Box is free to download, with in-app purchases available.
Which has better reviews, iSecret Message or Private Message Box?
Private Message Box is rated higher. iSecret Message averages 3.0 out of 5 from 2 ratings, while Private Message Box averages 3.1 from 23 ratings.
Do iSecret Message or Private Message Box have ads?
Private Message Box shows ads; iSecret Message does not.
Which is updated more often, iSecret Message or Private Message Box?
iSecret Message ships an update every 25 months, and Private Message Box monthly. Most recently, iSecret Message was updated on November 1, 2026 and Private Message Box on November 1, 2026.

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