CAS Trips vs Adder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CAS Trips
This app serves as a comprehensive guide for educational trips, offering information on destinations, UN Sustainable Development Goals, and packing lists. It also provides tools for documenting experiences and learnings, consolidating all trip-related resources in one place.
- Trip destination information
- UN SDG exploration
- Packing list management
- Experience documentation tools
- Learning tracking
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The CAS Trips app is your essential pocket guide for all CAS destinations. Learn about your trip, explore UN SDG's, keep track of your packing list and discover smart ways to document all your experiences and learnings. It's all of CAS Trips, all in one place.
Adder
This app offers interactive exercises and customizable practice sessions to help students master addition. It features progress tracking and a distraction-free interface, making it ideal for building foundational math skills.
- Interactive addition exercises
- Customizable practice sessions
- Progress tracking
- Distraction-free interface
- Tailored learning experience
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Adder is a native iOS app coded in Swift, designed as a personal project to help students master additions effortlessly. With interactive exercises, customizable practice sessions, and progress tracking, Adder creates an engaging learning experience tailored to individual needs. Its sleek, distraction-free interface and responsive design make it a perfect tool for students, parents, and educators seeking to build strong foundational math skills.
Screenshots
Verdict
The clearest difference is update cadence: Adder at weekly against CAS Trips's every 8 months. Adder also leads on rating (5.0 vs 4.7). CAS Trips's advantage is ratings volume (3 vs 1) and iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and monetization model 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.
Adder holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
CAS Trips ships an update every 8 months, Adder weekly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | CAS Trips | Adder |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 8 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 45 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | CAS Trips s.r.o. | David Kelen |
In-app purchases
CAS Trips
No in-app purchases
Adder
No in-app purchases









