Comparison

tetrify vs Yesterdays

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

Head to head
About

tetrify

Capture to-dos, ideas, and track habits using a familiar texting interface. Turn any text into organized notes and reminders without complex menus. Designed for quick thought capture and personalized organization.

Highlights
  • Instant capture through chat
  • Smart Spaces for notes, tasks, journal, habits
  • Privacy-first and local data storage
  • Familiar chat interface
  • Cross-device sync via iCloud
  • Export notes to other apps
Features
Read full description

Message yourself notes and ideas, or text yourself notes and reminders, through tetrify's familiar texting-based interface. INSTANT CAPTURE THROUGH CHAT Skip complex interfaces. Text yourself ideas, reminders, and thoughts exactly like messaging a friend. No learning curve – just type and go. Perfect for quick brain dumps when inspiration strikes. SMART SPACES FOR EVERYTHING Create dedicated chat Spaces for different areas of your life: - Notes: Capture fleeting thoughts and ideas instantly - Tasks: Turn texts into actionable reminders with time-based notifications - Journal: Track moods, reflect, and build self-awareness through private messaging - Habits: Build consistent routines with gentle text-based check-ins - Mix & Match: Want to use your Notes spaces to also have tasks or keep track of receipts? Create a custom space that fits your workflow! PRIVACY-FIRST & LOCAL Your personal thoughts stay personal. Works completely offline with zero server storage. No accounts required – your data lives only on your device. Chat with yourself without privacy concerns. FAMILIAR YET POWERFUL - Chat Interface: Use the messaging experience you already know - Helper Bars: Quick options for time, mood, and task settings - Routines: Set up daily, weekly, or monthly automated messages - Cross-Device Sync: Optional iCloud sync keeps your spaces in harmony - Export Freedom: Move your captured thoughts to other productivity apps PERFECT FOR ADHD & BUSY MINDS Designed for people who think fast and need to capture thoughts immediately. No friction between idea and storage. Great for: - Students capturing lecture insights - Professionals juggling multiple projects - Anyone building better habits through gentle accountability - People who prefer conversational interfaces over forms WHY TETRIFY Unlike traditional note apps with folders and hierarchies, tetrify uses the natural flow of conversation. Instead of rigid templates, you get flexible Spaces that adapt to how you actually think and work. Get rid of scattered thoughts and find effortless productivity – one text at a time. Privacy Policy: https://tetrify.com/privacy Terms of Service: https://tetrify.com/terms

About

Yesterdays

This app helps you privately record and recall your thoughts, feelings, and important moments. It offers secure on-device storage or iCloud syncing, with options to add photos and audio. Features include reminders, tagging, and a randomized memory retrieval function.

Highlights
  • Private by design storage
  • Automatic iCloud syncing
  • Add photos and audio
  • Face ID/Touch ID protection
  • Randomized memory retrieval
  • Home screen widget
  • Weekly writing reminders
  • Tagging and CSV import/export
Features
Read full description

Hi! Yesterdays is a simple, privacy-centric memory tracker. Use it to write down and remember those sayings, thoughts, or feelings you might otherwise forget. - Private by Design: All your data is either stored on device or in a private iCloud container if you've got an Apple ID. - Simple: No bloat. Fast. Just write and remember. - Synced Automatically: No account creation needed. If you're signed in with the same Apple ID on multiple iOS devices, everything will just sync. - Photos & Audio: add them to your memories, or don't! The choice is yours. - Face ID / Touch ID: add some extra protection from prying eyes. - Randomized Nostalgia Trip: At the press of a button, view five random memories from your collection. - Widget: Show a random memory on your home screen, shuffled every so often. - Writing Reminders: get nudged to jot down a memory every week (ish). - Tags: Tag your memories to find them easily later and easily keep track of people, ages, dates, or themes - Import: Bring your previous memories with you via CSV import. Share text, photos, or audio into Yesterdays via the system share sheet. - Export anytime: Take your memories with you in the form of a very compatible .csv file. Individually share memory text, photos, or audio as well. - Premium users can customize the font and app icon. Give it a try and store 10 memories for free. Want to store more? Subscribe to Yesterdays Premium for a low yearly cost. All memories are accessible even if you unsubscribe later on. We take privacy seriously. Really. We don't track anything about you. Check out full information here: https://yesterdays.app/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

tetrify4 screens
Yesterdays4 screens

Verdict

The call

The clearest difference is ratings volume: tetrify at 58 against Yesterdays's 13. tetrify also leads on device support (4 vs 2) and iOS requirement (13.0 vs 17.0). On price, rating, review sentiment and update cadence 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. tetrify sells 4 in-app purchases, starting at $1.99 per month and Yesterdays sells 1 in-app purchase, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

tetrify holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 58 and 13 respectively. Written reviews complicate that: 86% of tetrify's written reviews are positive against 89% of Yesterdays's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

tetrify ships an update every 6 days, Yesterdays weekly. The most recent releases landed on September 21, 2026 and July 8, 2026 respectively.

Scorecard3 real differences · 7 level
tetrify versus Yesterdays: the parameters behind the verdict, then further details
ParametertetrifyYesterdays
PriceFreeFree
Rating4.8 (58 ratings) — better4.6 (13 ratings)
Positive reviews85.7% of reviews88.9% of reviews — better
Number of ratings58 — better13
Update frequencyEvery 6 days — betterWeekly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size137 MB18 MB
Age rating4+4+
Developertetr, LLCHere & Co.

Customer experience

tetrify

All ratings58 ratings
Positive96.6%
Neutral1.7%
Negative1.7%
Written reviews14 reviews
Positive85.7%
Neutral7.1%
Negative7.1%

Yesterdays

All ratings13 ratings
Positive92.3%
Neutral0.0%
Negative7.7%
Written reviews9 reviews
Positive88.9%
Neutral0.0%
Negative11.1%

In-app purchases

4 purchases

tetrify

Subscriptions2
  • tetrify Pro7 Days trial$1.991 Month
  • tetrify Pro7 Days trial$14.991 Year
One-time2
  • tetrify Pro$14.99
  • tetrify Offline2 variants$19.99
1 purchases

Yesterdays

Subscriptions1
  • Premium (Yearly)$4.991 Year

Questions

Is tetrify free?
tetrify is free to download, with in-app purchases available.
Is Yesterdays free?
Yesterdays is free to download, with in-app purchases available.
Which has better reviews, tetrify or Yesterdays?
tetrify is rated higher. tetrify averages 4.8 out of 5 from 58 ratings, while Yesterdays averages 4.6 from 13 ratings.
Do tetrify or Yesterdays have ads?
Neither tetrify nor Yesterdays shows ads.
Which is updated more often, tetrify or Yesterdays?
tetrify ships an update every 6 days, and Yesterdays weekly. Most recently, tetrify was updated on September 21, 2026 and Yesterdays on July 8, 2026.

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