# STEM FLEX vs Abrari

STEM FLEX and Abrari are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

STEM FLEX ships an update every 5 days, Abrari every 4 days. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | STEM FLEX | Abrari |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/abrari/id6791181465/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Monetization | — | Free |
| Size | 30 MB | 27 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FableVision, INC](https://appshunter.io/developer/330019981) | [Frezer Kifle](https://appshunter.io/developer/6791181467) |

## What reviewers say

### STEM FLEX

[App page](https://appshunter.io/ios/app/stem-flex/id6744830195)

**Features:** macOS Compatibility

**In-app purchases:** none


### Abrari

[App page](https://appshunter.io/ios/app/abrari/id6791181465)

An independent study aid for Ethiopian university entrance exams. Practice past questions, receive AI-powered explanations with citations, and track your learning progress. Study offline with curriculum content.

**Highlights:** Practice questions by subject and stream, AI explanations with study sources, Read curriculum textbook pages, Progress tracking, Offline-first content, Free tier with daily limits

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

**In-app purchases:** none


## Frequently asked questions

### Is STEM FLEX free?

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

### Is Abrari free?

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

### Do STEM FLEX or Abrari have ads?

Neither STEM FLEX nor Abrari shows ads.

### Which is updated more often, STEM FLEX or Abrari?

STEM FLEX ships an update every 5 days, and Abrari every 4 days. Most recently, STEM FLEX was updated on October 6, 2026 and Abrari 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.*