Comparison

Tessercube vs ghostmemo

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

Head to head
About

Tessercube

This app allows users to generate, import, and export OpenPGP keypairs for secure communication. It enables encryption, decryption, signing, and verification of messages, with a special keyboard for use in any application. A unified message history log keeps track of all communications.

Highlights
  • OpenPGP key generation and management
  • Encrypt and decrypt messages
  • Sign and verify messages
  • Unified message history
  • System-wide OpenPGP keyboard
Features
Read full description

[ Basic Functionalities ] - Generate, import, and export OpenPGP keypairs (EdDSA supported) - Encrypt and decrypt encrypted messages - Sign and verify signed messages - Unified message history log [ Special Features: Tessercube Keyboard ] Communicate via OpenPGP in any app, as long as all participants of the conversation have installed Tessercube (or any software supporting OpenPGP implementations). [ Feedback & Bug Report ] If you find any problem with Tessercube, you may visit https://github.com/DimensionDev/Tessercube-Talks/issues to open an issue or send an email to info@dimension.im

About

ghostmemo

Securely store private notes, passwords, and logs with end-to-end encryption. This app offers local encryption, Face ID/PIN protection, and an intuitive interface for easy data safeguarding. Keep your personal information private and accessible only to you.

Highlights
  • End-to-end encryption
  • Local data handling
  • Face ID/PIN authentication
  • Password storage
  • Health log keeping
  • Text formatting
  • Beginner encryption guide
Features
Read full description

ghostmemo is a file management and note-taking app designed with security in mind. Encryption is an invaluable tool for preserving your digital privacy, and ghostmemo simplifies the process of safeguarding your personal thoughts. You can use ghostmemo to easily and safely jot down private notes, keep a health log, store your passwords, and more. With one tap, any memos can be encrypted. Users can opt-in to Face ID or make their own custom PIN, ensuring that the authentication and encryption process is quick and simple. As an added level of security, ghostmemo gives you the option of locking your memos so that they cannot be opened or altered. All encryption is handled locally on your device, using secure standards and algorithms supported by Apple's operating system. Data can be encrypted, decrypted, locked, or deleted without any network connection. You hold the keys to your own data, at all times. Learning to use the app is quick and intuitive — ghostmemo also includes a helpful guide to encryption for beginners to , as well as text formatting features you rely on to write comfortably. ghostmemo gathers no data, requires no account registration, and provides everyone the peace of mind that their most personal information is safe. ghostmemo utilizes Apple's standard Terms of Use (EULA) –– to read it in detail, follow the link below https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ ghostmemo's privacy policy can be found at the following link: https://cbd1221.github.io/ghostmemo/#privacy-policy feedback or feature requests can be sent here: ghostmemo.app@gmail.com

Screenshots

Tessercube3 screens
ghostmemo4 screens

Verdict

The call

The clearest difference is rating: ghostmemo at 5.0 against Tessercube's 4.1. Tessercube's advantage is in-app purchases (none vs 2) and update cadence (every 2 weeks vs monthly). 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. ghostmemo sells 2 in-app purchases, starting at $2.99 per month. Tessercube asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ghostmemo holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Tessercube has 16 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Tessercube ships an update every 2 weeks, ghostmemo monthly. The most recent releases landed on September 28, 2026 and October 17, 2026 respectively.

Scorecard6 real differences · 4 level
Tessercube versus ghostmemo: the parameters behind the verdict, then further details
ParameterTessercubeghostmemo
PriceFreeFree
Rating4.1 (16 ratings)5.0 (2 ratings) — better
Positive reviews53.8% of reviews—
Number of ratings16 — better2
Update frequencyEvery 2 weeks — betterMonthly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better17.2
Further details — not scored
Size107 MB3 MB
Age rating4+4+
DeveloperSUJITEKU LIMITED LIABILITY CO.COLIN DIVELY

Customer experience

Tessercube

All ratings16 ratings
Positive75.0%
Neutral6.3%
Negative18.8%
Written reviews13 reviews
Positive53.8%
Neutral7.7%
Negative38.5%

ghostmemo

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Tessercube

No in-app purchases

2 purchases

ghostmemo

Subscriptions2
  • ghostmemo+$2.991 Month
  • ghostmemo+$24.991 Year

Questions

Is Tessercube free?
Tessercube is free to download, with no in-app purchases.
Is ghostmemo free?
ghostmemo is free to download, with in-app purchases available.
Which has better reviews, Tessercube or ghostmemo?
ghostmemo is rated higher. Tessercube averages 4.1 out of 5 from 16 ratings, while ghostmemo averages 5.0 from 2 ratings.
Do Tessercube or ghostmemo have ads?
Neither Tessercube nor ghostmemo shows ads.
Which is updated more often, Tessercube or ghostmemo?
Tessercube ships an update every 2 weeks, and ghostmemo monthly. Most recently, Tessercube was updated on September 28, 2026 and ghostmemo on October 17, 2026.

Other comparisons