Comparison

WhatDiff vs Data Manager Classic

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

Head to head
About

WhatDiff

Features
Read full description

WhatDiff – Compare Files with Precision WhatDiff is a powerful file comparison app that helps you quickly identify differences between files across multiple formats. It supports photos, videos, audio, documents, and other file types from your Photo Library, Files app, and cloud storage platforms. With built-in MD5 checksum verification, detailed file attributes, and advanced comparison tools like line-by-line document diff, WhatDiff gives you deep insight into every file. #######Smart Comparison by File Type ---Photos • Use the slider to compare photo content. View and compare detailed metadata, including: • File name, size, MD5 • Created & modified dates • Dimensions, resolution • Color space & color profile • Device make & model • Exposure time, ISO, focal length, F-number • Flash, metering mode, white balance • Content creator • GPS location (latitude & longitude) ---Videos • Compare video files with rich technical details: • File name, size, MD5 • Created & modified dates • Dimensions & codecs • Duration • Color profile • Audio channels • GPS location (latitude & longitude) ---Audio Analyze and compare audio files: • File name, size, MD5 • Created & modified dates • Codecs • Duration • Audio channels ---Documents • Go beyond basic comparison with content analysis: • File name, size, MD5 • Created & modified dates • Word, character, and line counts • Content similarity • Content preview • Highlighted differences (line-by-line) ---Other File Types • For all other formats, WhatDiff provides: • File name, size, MD5 • Created & modified dates ###Why WhatDiff### • Supports multiple file sources (Photos, Files, Cloud) • Deep metadata comparison • Accurate checksum verification • Clear, structured results for quick insights Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Data Manager Classic

Organize any personal data with a customizable database manager. Define your own tables, fields, and relationships to track anything from recipes to expenses. All data remains on your device with optional encryption.

Highlights
  • Customizable tables and fields
  • Relational data references
  • Sort, group, and filter data
  • CSV import/export
  • Password protection and encryption
  • Image attachments
  • Offline data storage
Features
Read full description

Database Manager is the personal database app for your own data — books, cocktail recipes, birthdays, car expenses, credit cards, travel packing lists, whatever you need. You define the tables, fields and relationships yourself — no spreadsheet hacks, no cloud account required, no ads. Everything stays on your device. FEATURES • 16 field types: Text, Number, Date, Time, Checkbox, Combobox, Link, Image, Location, Rating and more • Unlimited databases, multiple tables per database • Relational references between tables • Sort, group, filter, totals and group subtotals • Per-field display settings (visibility, color, font size, order) • CSV import / export — compatible with the original data format • Password protection and optional per-field encryption • Image attachments inside records • Custom background image and theme per database • Built for large datasets (tested with 5,000 entries) 19 EXAMPLES INCLUDED Books, movies, contacts, birthdays, bookmarks, car expenses, cocktails, shopping lists, credit cards, travel packing and more — ready to use as templates or just to explore the app. YOUR DATA STAYS WITH YOU No sign-up, no account, no tracking. Optionally encrypt individual fields with a passphrase you choose. HERITAGE Database Manager is a direct port of the original webOS app "Database Manager" (VivaLV Software, 2012), rebuilt natively for iPhone and iPad.

Screenshots

WhatDiff4 screens
Data Manager Classic4 screens

Verdict

The call

The clearest difference is in-app purchases: Data Manager Classic at none against WhatDiff's 3. On price, update cadence, 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. WhatDiff sells 3 in-app purchases, starting at $2.99 per month. Data Manager Classic asks for nothing beyond the download.

UpkeepUpdate frequency

WhatDiff ships an update every 5 months, Data Manager Classic every 2 months. The most recent releases landed on September 24, 2026 and October 11, 2026 respectively.

Scorecard1 real difference · 9 level
WhatDiff versus Data Manager Classic: the parameters behind the verdict, then further details
ParameterWhatDiffData Manager Classic
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 5 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.416.0 — better
Further details — not scored
Size2 MB7 MB
Age rating4+4+
Developer栋 陈Andreas Grauf

In-app purchases

3 purchases

WhatDiff

Subscriptions2
  • WhatDiff Month Subscription$2.991 Month
  • WhatDiff Annual Subscription$12.991 Year
One-time1
  • WhatDiff Lifetime License$24.99
None

Data Manager Classic

No in-app purchases

Questions

Is WhatDiff free?
WhatDiff is free to download, with in-app purchases available.
Is Data Manager Classic free?
Data Manager Classic is free to download, with no in-app purchases.
Do WhatDiff or Data Manager Classic have ads?
Neither WhatDiff nor Data Manager Classic shows ads.
Which is updated more often, WhatDiff or Data Manager Classic?
WhatDiff ships an update every 5 months, and Data Manager Classic every 2 months. Most recently, WhatDiff was updated on September 24, 2026 and Data Manager Classic on October 11, 2026.

Other comparisons