K4us Spanish Keyboard vs TrustFactor Authenticator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
K4us Spanish Keyboard
This keyboard app offers a streamlined way to type Spanish characters, including vowels, consonants, and special symbols like ¿ and ¡. It features word prediction and arrow keys for enhanced navigation on iOS devices.
- Easy input of Spanish characters
- Word prediction
- Arrow keys for navigation
- iPad-specific ten-key layout
- Customizable keyboard settings
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For iPhone User please try "AEI Keyboard Note" App. (This app is Free) What is Good about AEI Keyboard - Only One Push to input Vowel (letter). - Less than Two Push to input Alphabet. (any letter) - Input faster with Two Thumbs. Original Spanish Keyboard for iPhone & iPad * With Arrow Keys * Word predict. * Easy to input “¿¡áéíóúüñÁÉÍÓÚÜÑ" * iPad Special Ten Keys like PC Ten Keys. * Ideal Key for iPhone (It's called AEI Keyboard) Useful keyboard Settings (tap"tools") You can turn off Key Sound from it. Please add this Keyboard from iOS Setting and switch "Allow Full Access" Note : This app may not work on Old Apps.
TrustFactor Authenticator
This app provides risk-based analysis for authentication requests, allowing users to securely approve or reject actions. It enhances security by evaluating the risk associated with each login attempt.
- Risk-based authentication analysis
- Secure approval/rejection of actions
- Enhanced security for requests
- User-friendly interface
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TrustFactor features risk-based analysis in authentication requests and allows users to securely approve or reject actions.
Screenshots
Verdict
The clearest difference is price: TrustFactor Authenticator at Free against K4us Spanish Keyboard's $0.99. TrustFactor Authenticator also leads on rating (5.0 vs 1.0) and update cadence (monthly vs every 3 months). On ratings volume, 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
TrustFactor Authenticator is free to download; K4us Spanish Keyboard costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
TrustFactor Authenticator holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
K4us Spanish Keyboard ships an update every 3 months, TrustFactor Authenticator monthly. The most recent releases landed on November 4, 2026 and November 3, 2026 respectively.
| Parameter | K4us Spanish Keyboard | TrustFactor Authenticator |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 1.0 (1 ratings) | 5.0 (1 ratings) — better |
| Number of ratings | 1 | 1 |
| Update frequency | Every 3 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | 4us | SecuritySide, CyberSecurity Services S.A. |
Customer experience
K4us Spanish Keyboard
TrustFactor Authenticator
In-app purchases
K4us Spanish Keyboard
No in-app purchases
TrustFactor Authenticator
No in-app purchases
Questions
Is K4us Spanish Keyboard free?
Is TrustFactor Authenticator free?
Which has better reviews, K4us Spanish Keyboard or TrustFactor Authenticator?
Do K4us Spanish Keyboard or TrustFactor Authenticator have ads?
Which is updated more often, K4us Spanish Keyboard or TrustFactor Authenticator?
Other comparisons
