# Abacus Deluxe vs FateChanger

The clearest difference is price: FateChanger at Free against Abacus Deluxe's $0.99. FateChanger also leads on review sentiment (50% vs 33%). Abacus Deluxe's advantage is update cadence (every 10 months vs every 44 months) and device support (4 vs 2). On ads, in-app purchases and iOS requirement there is nothing between them.

FateChanger is free to download; Abacus Deluxe costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Abacus Deluxe ships an update every 10 months, FateChanger every 44 months. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Abacus Deluxe | FateChanger |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fatechanger/id1449177352/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 33.3% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 44 months |
| Monetization | Paid | **Free** |
| Size | 31 MB | 44 MB |
| Requires iOS | 13.2 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [Kids Save Ocean](https://appshunter.io/developer/1449177351) |

## What reviewers say

### Abacus Deluxe

[App page](https://appshunter.io/ios/app/abacus-deluxe/id911913335)

This app simulates a Chinese abacus, offering an interactive and fun way for students to learn counting, place value, and basic arithmetic. It helps develop mental math skills, potentially making users faster than with electronic calculators.

**Highlights:** Chinese abacus simulation, Interactive counting and arithmetic, Place value concept teaching, Mental math skill development, Fun and engaging learning tool

**Features:** Vision Pro support

**In-app purchases:** none


### FateChanger

[App page](https://appshunter.io/ios/app/fatechanger/id1449177352)

This app educates children about environmental issues like plastic pollution and climate change. It then empowers them to learn about and influence environmental policy.

**Highlights:** Learn about plastic ocean pollution, Understand climate change, Explore sustainability, Influence environmental policy, Empower youth activism

**In-app purchases:** none


## Frequently asked questions

### Is Abacus Deluxe free?

Abacus Deluxe costs $0.99, with no in-app purchases.

### Is FateChanger free?

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

### Do Abacus Deluxe or FateChanger have ads?

Neither Abacus Deluxe nor FateChanger shows ads.

### Which is updated more often, Abacus Deluxe or FateChanger?

Abacus Deluxe ships an update every 10 months, and FateChanger every 44 months. Most recently, Abacus Deluxe was updated on October 13, 2026 and FateChanger on October 24, 2026.

---

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