Random Input vs WhatDiff
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Random Input
This utility app generates random cards, suits, or numbers, acting as a virtual spectator with feedback. It serves as an introduction to more advanced magic training tools.
- Random card generation
- Random suit generation
- Random number generation (1-52)
- Virtual spectator feedback
- Introduction to magic training tools
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Random Input simply generates random cards, suites or numbers from 1 to 52 and serves as a virtual spectator who whispers you random feedback. Random Input serves as a a free introduction to 'Acaan Trainer', 'Stack Trainer', 'Twice as Hard Trainer', 'Serial Sum Trainer', and 'Gauge Trainer', which represent the single most unified set of technical learning tools for close-up magicians. These apps are available by this developer in the App Store. Swipe, swipe, touch. Swipe and again. Randomly. Additional information: - License agreement - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ - Privacy policy - https://yeahgic.com/pge_PrivacyRandom.htm
WhatDiff
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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/
Screenshots
Verdict
Random Input and WhatDiff are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Random Input sells 2 in-app purchases, starting at $0.99 per 3 months and WhatDiff sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on September 28, 2026 and September 24, 2026 respectively.
| Parameter | Random Input | WhatDiff |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 months | Every 5 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.4 |
| Further details — not scored | ||
| Size | 6 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Ralph Cos | 栋 陈 |
In-app purchases
Random Input
- 3 Months Subscription3 Days trial$0.993 Months
- Annual Subscription3 Days trial$1.991 Year
WhatDiff
- WhatDiff Month Subscription$2.991 Month
- WhatDiff Annual Subscription$12.991 Year
- WhatDiff Lifetime License$24.99









