# ReactionFlash vs MUCTR

The clearest difference is review sentiment: ReactionFlash at 81% against MUCTR's 44%. ReactionFlash also leads on rating (4.8 vs 4.5) and ratings volume (41 vs 11). MUCTR's advantage is update cadence (every 5 weeks vs every 4 months) and iOS requirement (12.0 vs 14.0). 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.

ReactionFlash holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 41 and 11 respectively. Written reviews point the same way: 81% of ReactionFlash's written reviews are positive against 44% of MUCTR's.

ReactionFlash ships an update every 4 months, MUCTR every 5 weeks. The most recent releases landed on September 21, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | ReactionFlash | MUCTR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (41 ratings)](https://appshunter.io/ios/app/reactionflash/id432080813/reviews)** | [4.5 (11 ratings)](https://appshunter.io/ios/app/muctr/id6456884267/reviews) |
| Number of ratings | **41** | 11 |
| Positive reviews | **80.6% of reviews** | 44.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 37 MB | 67 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Elsevier Limited](https://appshunter.io/developer/1437273934) | [RKHTU IM. D.I. MENDELEEVA, FGBU](https://appshunter.io/developer/1550079668) |

## What reviewers say

### ReactionFlash

[App page](https://appshunter.io/ios/app/reactionflash/id432080813)

This app serves as a comprehensive flashcard-style learning tool for named chemical reactions. It provides detailed information on reaction mechanisms and examples from scientific literature, with a quiz mode to test user knowledge.

**Highlights:** Learn named chemical reactions, Understand reaction mechanisms, View literature examples, Quiz mode for knowledge testing, Flashcard interface

**Features:** macOS Compatibility

**In-app purchases:** none


### MUCTR

[App page](https://appshunter.io/ios/app/muctr/id6456884267)

This official university app streamlines educational and administrative processes for employees and students. It offers news updates, messaging, access to educational resources, campus navigation, and a dynamic class schedule.

**Highlights:** University news updates, Student and employee messaging, Access to educational environment, Campus navigation map, Dynamic class schedule, Corporate account access

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

**In-app purchases:** none


## Frequently asked questions

### Is ReactionFlash free?

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

### Is MUCTR free?

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

### Which has better reviews, ReactionFlash or MUCTR?

ReactionFlash is rated higher. ReactionFlash averages 4.8 out of 5 from 41 ratings, while MUCTR averages 4.5 from 11 ratings.

### Do ReactionFlash or MUCTR have ads?

Neither ReactionFlash nor MUCTR shows ads.

### Which is updated more often, ReactionFlash or MUCTR?

ReactionFlash ships an update every 4 months, and MUCTR every 5 weeks. Most recently, ReactionFlash was updated on September 21, 2026 and MUCTR on September 14, 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.*