ZNotePad vs Gamepad Doctor
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
ZNotePad
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This app is used to organizes your collections of notes, letters, articles, studies, lectures, reports, research papers, documents, accounts, passwords, software serial numbers, audios, and videos materials into a single document collection. You create multiple collections of various subject matters for your personal use as well sharing with your friends and colleagues. Read user manual at https://zynergyapps.com/docs/NoteDoc.pdf
Gamepad Doctor
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Test your controller for stick drift, unresponsive buttons and trigger issues. Gamepad Doctor guides you through checks and prepares a diagnostic report on your device. CHECK YOUR CONTROLLER โข Measure stick centering, jitter, range and circularity. โข Check buttons, D-pad, shoulders, stick clicks and analog triggers. โข Test touchpad, motion and vibration when supported by your controller and iOS. SAVE REPORTS AND RECORDS Keep diagnostic reports and game records on your device. Reopen past reports and compare your own results. Hardware tests work offline. No account is required. PRACTICE WITH THREE GAMES โข Single Aim: aim at targets with a stick and fire with the trigger. โข Double Aim: pop colored balloons with both sticks and triggers. โข Finger Game: follow numbered circles on the touchscreen. Three lives cover the whole course, and pauses count toward your total time. FREE TESTS AND CLEAR OPTIONS Every hardware test and game run is free. Full Diagnosis is a one-time purchase that unlocks all diagnostic reports and removes ads. Customers who bought the original paid app retain full access. When available, you can choose to watch an ad to unlock one report. When advertising is enabled, games may show an ad break after a completed run. The result opens automatically after the ad closes, or if the ad is unavailable or fails. Ads require an internet connection, and availability may vary. For compatible controllers supported by Apple's GameController framework. Features depend on the controller and iOS. Gamepad Doctor does not repair controllers, update firmware, change calibration or modify game dead zones.
Screenshots
Verdict
The clearest difference is in-app purchases: ZNotePad at none against Gamepad Doctor's 1. ZNotePad also leads on ads (none vs shown). Gamepad Doctor's advantage is update cadence (every 2 days vs every 2 months). On price, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Gamepad Doctor sells 1 one-off in-app purchase. ZNotePad asks for nothing beyond the download.
ZNotePad ships an update every 2 months, Gamepad Doctor every 2 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.
| Parameter | ZNotePad | Gamepad Doctor |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 2 days โ better |
| Ads | No โ better | Yes |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad, Mac โ better | iPhone, iPad |
| Requires iOS | 17.5 | 17.0 โ better |
| Further details โ not scored | ||
| Size | 50 MB | 8 MB |
| Age rating | 17+ | 4+ |
| Developer | Zynergy Apps | SeaShore |
In-app purchases
ZNotePad
No in-app purchases
Gamepad Doctor
- Full Diagnosis$1.99









