Dr. Hahn Instructions vs Pickchar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dr. Hahn Instructions
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Dr. Hahn has launched this app to provide its customers with all adjustment instructions as videos in a user-friendly manner. The right instructions can be found quickly thanks to the app's intuitiveness and ease of use. All instructional videos for an accurate adjustment of Dr. Hahn hinges for metal and PVC doors are included, in particular different versions of 2-piece and 3-piece hinges, as well as fastening options with or without KT-Fix. The videos explain in detail every work step required for making height, horizontal and sealing pressure adjustments. Once a video is downloaded, it can be used offline at any time.
Pickchar
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Palette of some often used but hard to access Unicode characters that can be copied to the clipboard with a click. The possibility to inspect text for its Unicode components.
Screenshots
Verdict
The clearest difference is iOS requirement: Dr. Hahn Instructions at 11.0 against Pickchar's 17.0. On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Dr. Hahn Instructions ships an update every 15 months, Pickchar every 22 months. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.
| Parameter | Dr. Hahn Instructions | Pickchar |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 15 months — better | Every 22 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, Mac — better |
| Requires iOS | 11.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 18 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Team Stiefelhagen Werbeagentur GmbH | Nico Rohrbach |
In-app purchases
Dr. Hahn Instructions
No in-app purchases
Pickchar
No in-app purchases
Questions
Is Dr. Hahn Instructions free?
Is Pickchar free?
Do Dr. Hahn Instructions or Pickchar have ads?
Which is updated more often, Dr. Hahn Instructions or Pickchar?
Other comparisons
