Comparison

Preserver vs Image Converter

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

Image Converter

Easily convert, compress, and resize images in batches with over 9 supported formats. Transform photos into PDFs or optimize them for social media. All processing is done locally on your device for maximum privacy.

Highlights
  • Batch format conversion (JPG, PNG, AVIF, HEIC, etc.)
  • Smart image compression (up to 90% space saving)
  • Social media image resizing presets
  • Photo to PDF creation
  • 100% local offline processing
  • Support for 9+ professional formats
Features
Read full description

Tired of unsupported image formats? Rapidly batch convert 1000+ photos to JPG, PNG, or AVIF instantly! 100% LOCAL processing. Your privacy is our priority—no internet required, no data leaves your device. BATCH FORMAT CONVERTER Say goodbye to compatibility errors. Switch between 9+ professional formats in seconds: HEIC to JPG (The #1 iPhone fix) WebP & AVIF to PNG or JPG Convert between GIF, TIFF, BMP, and PDF Process entire albums with a single tap SMART IMAGE COMPRESSION Free up GBs of storage while keeping your photos crisp. Save up to 90% space with advanced algorithms MB to KB: Precise quality control slider Batch shrink files for faster email sharing SOCIAL MEDIA RESIZER Professional presets to make your feed stand out - no cropping needed! One-tap sizes for Instagram (Story, Square, Portrait) Perfect fit for TikTok, Facebook Covers, and Twitter Headers YouTube Thumbnail creator with exact dimensions PHOTO TO PDF MAKER Turn your gallery into professional documents. Merge multiple photos into a single, high-quality PDF Professional paper sizes: A4, US Letter, Tabloid, and more Grid layouts: 1, 2, 4, or 6 photos per page for easy printing YOUR PRIVACY, GUARANTEED All processing happens 100% offline on your device. No internet connection required Your images are never uploaded or stored Fast, secure, and lightweight Download now and transform your image workflow today!

Screenshots

Preserver3 screens
Image Converter4 screens

Verdict

The call

The clearest difference is update cadence: Image Converter at every 3 days against Preserver's every 3 weeks. Image Converter also leads on monetization model (free vs free with in-app purchases) and iOS requirement (15.1 vs 18.0). Preserver's advantage is review sentiment (100% vs 88%). 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Preserver ships an update every 3 weeks, Image Converter every 3 days. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

Scorecard4 real differences · 6 level
Preserver versus Image Converter: the parameters behind the verdict, then further details
ParameterPreserverImage Converter
PriceFreeFree
Rating—5.0 (4 ratings) — better
Positive reviews100.0% of reviews — better87.5% of reviews
Number of ratings—4 — better
Update frequencyEvery 3 weeksEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.1 — better
Further details — not scored
Size106 MB39 MB
Age rating4+4+
DeveloperPreserver.me LLCYanchen Zhao

Customer experience

Preserver

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

Image Converter

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews8 reviews
Positive87.5%
Neutral0.0%
Negative12.5%

In-app purchases

None

Preserver

No in-app purchases

None

Image Converter

No in-app purchases

Questions

Is Preserver free?
Preserver is free to download, with no in-app purchases.
Is Image Converter free?
Image Converter is free to download, with no in-app purchases.
Do Preserver or Image Converter have ads?
Neither Preserver nor Image Converter shows ads.
Which is updated more often, Preserver or Image Converter?
Preserver ships an update every 3 weeks, and Image Converter every 3 days. Most recently, Preserver was updated on October 5, 2026 and Image Converter on October 11, 2026.

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