Comparison

Locker Password Manager vs PromptBox Mobile

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

Head to head
About

Locker Password Manager

Securely store and manage your sensitive information, including passwords, notes, and payment cards. This cross-platform vault offers robust security with military-grade encryption and zero-knowledge architecture. Enjoy seamless syncing across devices and offline access to your data.

Highlights
  • Password management
  • Secure notes
  • Payment card storage
  • Password autofill
  • Cross-platform syncing
  • Offline mode
  • Military-grade encryption
Read full description

Locker is a cross-platform vault that helps users secure sensitive data such as logins and passwords, secret notes, payment cards, and online identities. It also offers additional features to enhance your browsing experiences like password autofill, item sharing, and more. Why choose Locker over other password managers? 1. Security Locker uses military-grade encryption to secure your data. AES-256bit encryption combined with PBKDF2 and RSA algorithm makes your data un-crackable. Your vault is encrypted with a Master Password, which is the only key to decrypt your data. 2. Privacy & Transparency Your Master Password is only yours. Nobody, even us, can see your Master Password thanks to Zero-knowledge architecture and End-to-end encryption. Locker is an open-source product. Everyone can inspect its source code. We believe transparency is the key to better security. 3. Unlimited Sync Once you add, edit, remove items in your Locker on a device, the data will be synced across all other devices. 4. Bring Your Passwords with You With Offline Mode, you can use Locker anywhere, anytime, even when your phone is not connected to the internet. No more password hassle. Free Your Mind. Install Locker. *Data is encrypted before leaving the current device. **Offline Mode is only available on Locker mobile application. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

PromptBox Mobile

Save and reuse text snippets across any application. This tool is ideal for anyone who frequently types repetitive information, such as common responses, email templates, or personal details. It streamlines communication by making your saved text instantly accessible.

Highlights
  • Save unlimited text snippets
  • Access snippets in any app
  • Organize snippets for quick retrieval
  • Ideal for customer support, professionals, and students
  • Store code snippets and documentation
Features
Read full description

Your personal library of text snippets, always at your fingertips. Tired of typing the same responses, addresses, or messages over and over? PromptBox gives you a smarter way to communicate. Save any text once, use it everywhere - in any app, any time. PERFECT FOR Customer support teams sending common responses Professionals with frequently used email templates Anyone tired of typing their address, phone number, or bio repeatedly Social media managers with go-to captions and hashtags Sales teams with product descriptions and follow-up messages Developers storing code snippets and documentation Students with citation formats and common phrases

Screenshots

Locker Password Manager4 screens
PromptBox Mobile3 screens

Verdict

The call

The clearest difference is in-app purchases: PromptBox Mobile at none against Locker Password Manager's 4. PromptBox Mobile also leads on review sentiment (100% vs 71%). Locker Password Manager's advantage is ratings volume (13 vs 2) and device support (3 vs 1). On price, rating, update cadence and ads 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. Locker Password Manager sells 4 in-app purchases, starting at $2.99 per month. PromptBox Mobile asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for Locker Password Manager against 4.5 for PromptBox Mobile. That said, the two scores are not equally well evidenced: Locker Password Manager has 13 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 71% of Locker Password Manager's written reviews are positive against 100% of PromptBox Mobile's.

UpkeepUpdate frequency

Locker Password Manager ships an update fortnightly, PromptBox Mobile monthly. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 4 level
Locker Password Manager versus PromptBox Mobile: the parameters behind the verdict, then further details
ParameterLocker Password ManagerPromptBox Mobile
PriceFreeFree
Rating4.5 (13 ratings)4.5 (2 ratings) — better
Positive reviews71.4% of reviews100.0% of reviews — better
Number of ratings13 — better2
Update frequencyFortnightly — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better18.6
Further details — not scored
Size75 MB79 MB
Age rating4+17+
DeveloperVIET NAM CYSTACK JOINT STOCK COMPANYMatthew Iversen

Customer experience

Locker Password Manager

All ratings13 ratings
Positive84.6%
Neutral7.7%
Negative7.7%
Written reviews7 reviews
Positive71.4%
Neutral14.3%
Negative14.3%

PromptBox Mobile

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

Locker Password Manager

Subscriptions4
  • Premium Monthly14 Days trial$2.991 Month
  • Family Monthly14 Days trial$9.991 Month
  • Premium Yearly14 Days trial$15.491 Year
Show 1 more
  • Family Yearly14 Days trial$71.991 Year
None

PromptBox Mobile

No in-app purchases

Questions

Is Locker Password Manager free?
Locker Password Manager is free to download, with in-app purchases available.
Is PromptBox Mobile free?
PromptBox Mobile is free to download, with no in-app purchases.
Which has better reviews, Locker Password Manager or PromptBox Mobile?
PromptBox Mobile is rated higher. Locker Password Manager averages 4.5 out of 5 from 13 ratings, while PromptBox Mobile averages 4.5 from 2 ratings.
Do Locker Password Manager or PromptBox Mobile have ads?
Neither Locker Password Manager nor PromptBox Mobile shows ads.
Which is updated more often, Locker Password Manager or PromptBox Mobile?
Locker Password Manager ships an update fortnightly, and PromptBox Mobile monthly. Most recently, Locker Password Manager was updated on October 30, 2026 and PromptBox Mobile on October 24, 2026.

Other comparisons