Comparison

Tesseract vs Treer

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

Head to head
About

Tesseract

This app offers a unique emotional journaling experience inspired by interstellar travel. It allows users to record memories in an immersive 3D interface, transforming diary entries into cosmic coordinates. Features include voice dictation, AI prompts, and secure iCloud syncing.

Highlights
  • Immersive 3D Tesseract interface
  • Voice dictation journaling
  • AI-powered journaling prompts
  • Aesthetic writing with animations
  • Secure iCloud sync
  • Privacy-first design
Features
Read full description

Keep your days in a photo diary that brings memories to life. Tesseract gives your words and photos a universe of starlight, rain, and black holes. Write a little today, then return to the moments you want to remember. ◆ A space to revisit your memories Motion and depth bring the atmosphere of each entry back to life. Browse your diary horizontally, vertically, or in a grid. ◆ Words and photos that come alive Eleven visual themes inspired by starlight, rain, wormholes, and black holes add motion and depth to your words and photos. Adjust effect intensity and photo placement in supported themes to create your own atmosphere. ◆ Your day in words and photos Write a quick thought or a longer entry, at your own pace. Add photos to hold on to the moments words alone can’t capture. ◆ Revisit past entries Find any memory quickly with the calendar and search. The On This Day widget brings one past entry back to your Home Screen. ◆ Journaling Suggestions to help you begin On iPhone, bring photos, reflection prompts, and places into an entry from Apple’s Journaling Suggestions. Save text you use often as templates to make your next entry easier to begin. ◆ Personal by choice Start without an account. New entries are stored on your device. Lock individual entries with Face ID or Touch ID. With Pro, choose whether to enable iCloud sync. ◆ Tesseract Pro Use every visual theme, create custom folders, and add up to ten photos to each entry. With iCloud sync enabled, continue your diary across iPhone, iPad, and Mac. Key features - Eleven visual themes, including free and Pro themes - Spatial presentation for words and photos - Two photos per entry, or up to ten with Pro - Horizontal, vertical, and grid layouts - Calendar and search - Diary templates and writing reminders - On This Day Home Screen widget - Face ID or Touch ID lock for individual entries - Real-time voice dictation on supported devices - Markdown text import and export - Custom folders and optional iCloud sync with Pro An ordinary day can become a scene you will want to revisit. Keep today’s memory in your own universe with Tesseract. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Treer

Features
Read full description

Welcome to Treer, an app that offers a unique experience of plant companionship. Here, your green companions will meet you in an unprecedented way. The lifelike 3D plant models make you feel as if you are in a garden. The simple interaction operations also make plant care recording easy and pleasant. You will have a continuously updated 3D plant library, allowing you to find virtual companions that perfectly match real plants. Through flexible drag gestures, you can freely adjust the viewing angle and admire the elegant posture of plants from all angles. Every watering, fertilizing, loosening soil, and pruning can be easily recorded with a light tap of a button, and these precious care memories will be safely stored in your iCloud. You can also place these lovely plant companions on your desktop, letting them accompany you day after day. Whether it's work or study, there is always a touch of green bringing vitality and warmth to you. Now, you can also turn on the most unique flow focus mode. Use your precious concentration to become the growth nutrients for your little companions. Go and try it! Let Treer be the bridge connecting you with plants and jointly write a warm companionship story. Terms of Service: https://buzhuang.notion.site/Terms-and-Services-129860f833eb8038b74cc46d2b77a0f4?pvs=4 Privacy Policy: https://buzhuang.notion.site/Privacy-Policy-129860f833eb8098a4fbe22a515df050?pvs=4

Screenshots

Tesseract4 screens
Treer4 screens

Verdict

The call

The clearest difference is update cadence: Treer at every 4 days against Tesseract's fortnightly. Treer also leads on iOS requirement (16.6 vs 26.0). On price, ads, in-app purchases 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. Tesseract sells 3 in-app purchases, starting at $1.99 per month and Treer sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Tesseract ships an update fortnightly, Treer every 4 days. The most recent releases landed on October 25, 2026 and September 9, 2026 respectively.

Scorecard2 real differences · 8 level
Tesseract versus Treer: the parameters behind the verdict, then further details
ParameterTesseractTreer
PriceFreeFree
Rating4.5 (110 ratings) — better—
Positive reviews78.3% of reviews—
Number of ratings110 — better—
Update frequencyFortnightlyEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS26.016.6 — better
Further details — not scored
Size20 MB16 MB
Age rating4+4+
DeveloperGoateraction子捷 陈

Bugs and requests

Tesseract

Reported bugs

12 issues
  • Data deletion after app updates
  • Journal entries disappearing after switching apps
  • Edit button causing app crashes
  • Photos disappearing when adding new ones
  • Photos disappearing after editing entries
Show 7 more
  • iCloud sync not working between iPhone and iPad
  • Bluetooth keyboard Enter key not functioning
  • App freezing and lagging
  • Text alignment issues in display view
  • Paragraph spacing issues in display view
  • Premium features not working after subscription
  • App crashes on edit button press

Requested features

16 requests
  • Customizable theme colors and backgrounds
  • Additional font options (especially for Chinese)
  • PDF export functionality
  • iCloud sync support
  • Auto-save functionality
Show 11 more
  • Photo position/placement control
  • Galaxy map/note clustering visualization
  • Auto-scroll features
  • Pin/favorite entries functionality
  • Search functionality
  • Weather integration
  • Image filters
  • macOS version
  • Customizable line spacing
  • Live photo support
  • Adjustable text size for long entries

Treer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Tesseract

Subscriptions2
  • Monthly$1.991 Month
  • Annual$4.991 Year
One-time1
  • Lifetime$12.99
3 purchases

Treer

Subscriptions2
  • Monthly Subscription$0.991 Month
  • Annual Subscription$7.991 Year
One-time1
  • Lifetime$14.99

Questions

Is Tesseract free?
Tesseract is free to download, with in-app purchases available.
Is Treer free?
Treer is free to download, with in-app purchases available.
Do Tesseract or Treer have ads?
Neither Tesseract nor Treer shows ads.
Which is updated more often, Tesseract or Treer?
Tesseract ships an update fortnightly, and Treer every 4 days. Most recently, Tesseract was updated on October 25, 2026 and Treer on September 9, 2026.

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