# FLEX vs ABC

The clearest difference is iOS requirement: FLEX at 9.3 against ABC's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

FLEX ships an update every 19 months, ABC every 14 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | FLEX | ABC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/abc-klubben-abc-memo-lite/id1094704523/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 14 months** |
| Monetization | Free | Free |
| Size | 7 MB | 58 MB |
| Requires iOS | **9.3** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Leripa AB](https://appshunter.io/developer/454449587) | [Natur & Kultur](https://appshunter.io/developer/405226094) |

## What reviewers say

### FLEX

[App page](https://appshunter.io/ios/app/flex-math-tools/id977115416)

This interactive educational tool helps teachers visualize basic math concepts like fractions and number lines. It allows for the creation of independent student projects and supplements math training programs. Enhance understanding of mathematical skills with various visual aids.

**Highlights:** Number lines visualization, Fraction tools, Number bonds, Number blocks, Create student projects, Mathematical symbols

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### ABC

[App page](https://appshunter.io/ios/app/abc-klubben-abc-memo-lite/id1094704523)

This app helps young children develop phonological awareness and word decoding skills through interactive memory games. Children match words to images, collect rewards, and progress through letter groups. It's designed to support early reading and writing development.

**Highlights:** Phonological awareness training, Word decoding practice, Matching words to images, Collectible rewards, Adjustable difficulty levels, Progress tracking

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FLEX free?

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

### Is ABC free?

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

### Do FLEX or ABC have ads?

Neither FLEX nor ABC shows ads.

### Which is updated more often, FLEX or ABC?

FLEX ships an update every 19 months, and ABC every 14 months. Most recently, FLEX was updated on October 29, 2026 and ABC on October 24, 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.*