Electronic Signature vs FocusFuel
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Electronic Signature
Easily create and save handwritten signatures as images or for copy-pasting. Customize pen color, thickness, and line design. Includes undo/redo functionality and scaling options.
- Handwritten signature creation
- Save as image
- Copy to clipboard
- Pen color selection
- Pen thickness adjustment
- Undo/Redo functionality
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Create a signature (sign) easily by handwriting! It can be saved as an image or used in copy and paste. There is also an ad-free paid version called "Electronic Signature PRO". Please go from the link in the app. 【function】 - Selection of color - Thickness of pen - Line design - Selection of pen and eraser - Undo, Redo - Scale display - Save as image - Copy to clipboard ※ tick marks are not displayed on the saved and copied ones. Please contact the review section or DM here. https://twitter.com/corasck 【Disclaimer】 This application does not assume any responsibility whatsoever caused by using this application.
FocusFuel
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FocusFuel is a routine timer app that helps you balance focus and rest throughout your day. Build Your Routines Create custom routines for work, breaks, walks, mindfulness, and more. Set your own names and durations for each routine. Clean Circular Timer Track your remaining time at a glance with a smooth circular progress ring. Get notified with a sound when your routine ends. Today's Routine Pin your most important routine as today's focus and start it instantly with a single tap. Streaks & Stats Stay motivated with daily streaks and track how much time you've spent focusing and recharging each day. Available in Korean and English.
Screenshots
Verdict
The clearest difference is update cadence: FocusFuel at every 3 weeks against Electronic Signature's every 4 months. FocusFuel also leads on iOS requirement (15.1 vs 17.6). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Electronic Signature ships an update every 4 months, FocusFuel every 3 weeks. The most recent releases landed on October 23, 2026 and October 9, 2026 respectively.
| Parameter | Electronic Signature | FocusFuel |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (69 ratings) — better | — |
| Positive reviews | 75.7% of reviews | — |
| Number of ratings | 69 — better | — |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 17 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Kazuya Fujita | JUNHAN LEE |
Bugs and requests
Electronic Signature
Reported bugs
3 issues- App prompts for review before use
- Cannot do anything (potential bug for some users)
- Full erase immediately shows ads
Requested features
5 requests- PNG with transparent background output
- Vector drawing capability
- More color options
- Ability to type signature with font options
- Horizontal rotation for signature area
FocusFuel
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Electronic Signature
No in-app purchases
FocusFuel
No in-app purchases
Questions
Is Electronic Signature free?
Is FocusFuel free?
Do Electronic Signature or FocusFuel have ads?
Which is updated more often, Electronic Signature or FocusFuel?
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