# Abacus Trainer vs LayerFlow

The clearest difference is price: LayerFlow at Free against Abacus Trainer's $4.99. LayerFlow also leads on rating (5.0 vs 4.3) and update cadence (every 3 weeks vs every 18 months). Abacus Trainer's advantage is ratings volume (12 vs 1) and device support (4 vs 1). On ads and in-app purchases there is nothing between them.

LayerFlow is free to download; Abacus Trainer costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

LayerFlow holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Abacus Trainer has 12 ratings behind it against 1, so its average is the more settled of the two.

Abacus Trainer ships an update every 18 months, LayerFlow every 3 weeks. The most recent releases landed on September 28, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Abacus Trainer | LayerFlow |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.3 (12 ratings)](https://appshunter.io/ios/app/abacus-trainer/id828273038/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/layerflow/id6755438343/reviews)** |
| Number of ratings | **12** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 8 MB | 4 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hamster Force Multimedia Ltd.](https://appshunter.io/developer/443416476) | [Manuel Schaer](https://appshunter.io/developer/1853897128) |

## What reviewers say

### Abacus Trainer

[App page](https://appshunter.io/ios/app/abacus-trainer/id828273038)

This app generates customized abacus math exercises for addition and subtraction. It offers practice and challenge modes to improve accuracy and speed, with detailed reports to track progress. Users can also export quizzes for offline practice.

**Highlights:** Customizable addition and subtraction exercises, Practice and challenge modes, Performance tracking and reports, Offline exercise export (PDF), Randomized question generation, Print and email quiz options

**Features:** Vision Pro support

**In-app purchases:** none


### LayerFlow

[App page](https://appshunter.io/ios/app/layerflow/id6755438343)

This app visually explains network models like OSI and TCP/IP. It's designed for learners and professionals to understand network functions and data flow interactively.

**Highlights:** Visualizes OSI model, Visualizes TCP/IP model, Interactive exploration of layers, Explains layer functions, Demonstrates data movement

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Abacus Trainer free?

Abacus Trainer costs $4.99, with no in-app purchases.

### Is LayerFlow free?

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

### Which has better reviews, Abacus Trainer or LayerFlow?

LayerFlow is rated higher. Abacus Trainer averages 4.3 out of 5 from 12 ratings, while LayerFlow averages 5.0 from 1 ratings.

### Do Abacus Trainer or LayerFlow have ads?

Neither Abacus Trainer nor LayerFlow shows ads.

### Which is updated more often, Abacus Trainer or LayerFlow?

Abacus Trainer ships an update every 18 months, and LayerFlow every 3 weeks. Most recently, Abacus Trainer was updated on September 28, 2026 and LayerFlow on October 1, 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.*