# CAS Trips vs Adder

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.

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.

## The numbers

| Metric | CAS Trips | Adder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/cas-trips/id1538854180/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/adder-by-mather/id6742083110/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Weekly** |
| Monetization | Free | Free |
| Size | 45 MB | 0 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CAS Trips s.r.o.](https://appshunter.io/developer/1538854182) | [David Kelen](https://appshunter.io/developer/1796712157) |

## What reviewers say

### CAS Trips

[App page](https://appshunter.io/ios/app/cas-trips/id1538854180)

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.

**Highlights:** Trip destination information, UN SDG exploration, Packing list management, Experience documentation tools, Learning tracking

**In-app purchases:** none


### Adder

[App page](https://appshunter.io/ios/app/adder-by-mather/id6742083110)

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.

**Highlights:** Interactive addition exercises, Customizable practice sessions, Progress tracking, Distraction-free interface, Tailored learning experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CAS Trips free?

CAS Trips is free to download, with no in-app purchases.

### Is Adder free?

Adder is free to download, with no in-app purchases.

### Which has better reviews, CAS Trips or Adder?

Adder is rated higher. CAS Trips averages 4.7 out of 5 from 3 ratings, while Adder averages 5.0 from 1 ratings.

### Do CAS Trips or Adder have ads?

Neither CAS Trips nor Adder shows ads.

### Which is updated more often, CAS Trips or Adder?

CAS Trips ships an update every 8 months, and Adder weekly. Most recently, CAS Trips was updated on November 3, 2026 and Adder on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*