38+ iOS apps curated and reviewed
The best ctls apps on iPhone average 2.6★ across 38+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 1.4★ (111) | No | No | Aug 2026 |
| 2 |  | Free | 3.8★ (1.2K) | No | No | Sep 2026 |
| 3 |  | Free | 2.0★ (127) | No | No | Sep 2026 |
| 4 |  | Free | 1.9★ (585) | No | No | Sep 2026 |
| 5 |  | Free | 1.0★ (1) | No | Yes | Jun 2026 |
| 6 |  | Free | — | No | Yes | Jul 2026 |
| 7 |  | Free was $2.99 | — | No | Yes | May 2026 |
| 8 |  | Free | — | No | No | May 2026 |
Access all your CTLS Digital Classroom announcements and notifications in a single, organized dashboard. Easily filter and view important updates from your courses.
This app connects school districts, teachers, and families in one central location. It facilitates communication through messages, alerts, and updates, ensuring families stay informed about school events and student progress. Features include direct messaging, group conversations, and event sign-ups.
Stay connected with your child's academic progress. This app provides near real-time access to assignments, scores, attendance, and demographic information. Manage multiple children's profiles with a single login.
This app offers students daily insight into their academic progress, including assignments, scores, and attendance. It connects with Synergy® SIS to provide access to demographic information and more, mirroring the functionality of the web portal.
Prepare for the ISTQB CTFL exam with practice questions, realistic simulations, and detailed explanations. Tailor your study with flexible plans and track your progress to achieve certification.
Control a four-axis aircraft remotely using your iPhone, iPad, or iPod. View real-time video from the aircraft's camera and capture photos or videos directly to your device.
This application provides a suite of tools for managing and analyzing SSL certificates. It allows users to check installed certificates, TLS versions, and certificate transparency logs, as well as convert various certificate formats and generate self-signed certificates.
Examine the TLS certificate chain of any website directly on your iPhone or iPad. Understand trust status, protocols, and security signals. Export certificates for further analysis or sharing.