Comparison

Preserver vs ZyNotes

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

Head to head
About

Preserver

This app allows you to record observations like audio, text, images, and videos within defined activities. It automatically logs location, time, and date, creating an immutable record of your involvement. Data is stored locally and can be shared via Google Drive or exported as a ZIP archive.

Highlights
  • Record audio, text, images, and video
  • Automatic location, time, and date stamping
  • Activity-based data organization
  • Immutable activity artifacts
  • Google Drive sharing and export options
  • AI ChatBot integration
Features
Read full description

Capture Anything. Anywhere. Anytime. Risk-free — Refunds follow Apple's standard process — see reportaproblem.apple.com. Every text note, voice memo, photo and video you capture in Preserver is automatically stamped with the exact time, date and GPS location — even with zero signal. No Wi-Fi, Bluetooth or mobile data required. Just open the app and capture. WHY PRESERVER Works Offline Capture full metadata anywhere — underground, in the air, or miles from the nearest tower. Private by Design No registration. No account. Nothing leaves your device unless you choose to share it. Timestamp & GPS on Every Capture Every note, recording, photo and video carries irrefutable time, date and location metadata. One Unified Capture Stream Stop switching between four different apps. Text, voice-to-text, photos and video — all in one place. HOW IT WORKS 1. Open Preserver — no login required. 2. Capture anything — type a note, record your voice, snap a photo, or shoot video. 3. Auto-stamped — time, date and GPS, every time. 4. Share or store — send it anywhere, save to your own cloud, or keep it local. WHO USES PRESERVER Preserver works for 70+ professions and personal use cases, across health & care, trades & construction, field & remote work, legal & compliance, media & research, hospitality & events, and personal life. A few examples: – Tradies: timestamped before/after job photos, dispute-proof – Aged care & home healthcare: GPS-verified visit logs – Journalists & researchers: verifiable, timestamped source material – Compliance officers & inspectors: evidence-grade audit records – Insurance assessors: GPS-verified damage documentation – Families & travelers: a private, offline record of life's moments See the full list of 70+ use cases at preserver.me/uses YOUR DATA. YOUR RULES. Preserver is built around one principle: nothing leaves your device unless you decide to share it. – No account required – No data sold – No tracking – No AI training on your captures – No surveillance Store locally, or sync to your own Google Drive, iCloud or Dropbox — you choose. FREE. FOREVER. Preserver is free to capture, always — no subscription needed for the core app. AI-ready export bundles are free during our current beta, and beta users keep them free for good. Use it on as many of your own devices as you like. Download Preserver and start capturing proof of time and place today.

About

ZyNotes

This app offers a secure, offline note-taking experience with no account required. It features a rich editor, to-do lists, image insertion, and PDF export. Customize your workspace and protect sensitive entries with a password.

Highlights
  • Fast and frictionless note-taking
  • Private and offline by default
  • Optional iCloud backup
  • Advanced note editor with rich formatting
  • Built-in to-do lists
  • Add photos to notes
  • Share notes as PDF
  • Lock and secure your notes
Features
Read full description

ZyNotes is a private offline notes app for your thoughts, diary and study notes. No account, no internet needed, and nobody else can read what you write. • PRIVATE NOTES THAT STAY ON YOUR DEVICE Your notes live on your iPhone or iPad, not on someone else’s server. No sign-up, no login and no data collection. Start writing the moment you open the app. • A THOUGHT JOURNAL AND STUDY DIARY IN ONE Sort every note into Diary, Study or Journal with one tap. Keep your private thoughts, daily journal and homework notes separate, and find any of them in seconds. • LOCK ANY NOTE Lock a single note with a password, a 4-digit PIN or Face ID. Only someone who can unlock it can read it. Perfect for a secret diary or anything personal. • WRITE THE WAY YOU LIKE Use headings, bold and italic text, checklists, numbered and bulleted lists, quotes and highlights. Add photos right inside a note and turn it into a study notebook you’ll actually want to reread. • VOICE NOTES Record a voice note when typing isn’t an option and keep it next to your written notes. • PRIVATE AI HELPER Ask the built-in note summarizer to shorten a long note, or chat with your notes to find what you wrote. It’s designed for privacy, like the rest of ZyNotes. • MORE YOU’LL LIKE To-do checklists inside any note, share a note as a PDF, light and dark themes, custom backgrounds and fonts. Made for students, journal writers and anyone who wants a simple, private place for their notes. Download ZyNotes and keep your notes yours. Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy https://zynotes.pntapps.com/privacy

Screenshots

Preserver3 screens
ZyNotes4 screens

Verdict

The call

The clearest difference is in-app purchases: Preserver at none against ZyNotes's 3. Preserver also leads on review sentiment (100% vs 86%). On price, update cadence, ads 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. ZyNotes sells 3 in-app purchases, starting at $3.99 per 7 days. Preserver asks for nothing beyond the download.

UpkeepUpdate frequency

Preserver ships an update every 3 weeks, ZyNotes fortnightly. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
Preserver versus ZyNotes: the parameters behind the verdict, then further details
ParameterPreserverZyNotes
PriceFreeFree
Rating—4.7 (28 ratings) — better
Positive reviews100.0% of reviews — better86.2% of reviews
Number of ratings—28 — better
Update frequencyEvery 3 weeksFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.017.0 — better
Further details — not scored
Size106 MB100 MB
Age rating4+4+
DeveloperPreserver.me LLCMd Imran Ansari

Customer experience

Preserver

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

ZyNotes

All ratings28 ratings
Positive89.3%
Neutral10.7%
Negative0.0%
Written reviews29 reviews
Positive86.2%
Neutral10.3%
Negative3.4%

In-app purchases

None

Preserver

No in-app purchases

3 purchases

ZyNotes

Subscriptions2
  • Zynotes Weekly Premium$3.997 Days
  • Zynotes Premium (Annual)7 Days trial$9.991 Year
One-time1
  • Zynotes Lifetime Access$39.99

Questions

Is Preserver free?
Preserver is free to download, with no in-app purchases.
Is ZyNotes free?
ZyNotes is free to download, with in-app purchases available.
Do Preserver or ZyNotes have ads?
Neither Preserver nor ZyNotes shows ads.
Which is updated more often, Preserver or ZyNotes?
Preserver ships an update every 3 weeks, and ZyNotes fortnightly. Most recently, Preserver was updated on October 24, 2026 and ZyNotes on October 30, 2026.

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