goREACT vs SHI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
goREACT
Explore chemistry by virtually mixing elements to create hundreds of reactions. Discover element properties, view molecules, and follow guided experiments. Educational resources are also available.
- Nearly 300 virtual chemical reactions
- Drag-and-drop element mixing
- Molecule visualization with images/videos
- Interactive Periodic Table with facts
- Guided and free play modes
- Themed reaction menus
Read full descriptionHide full description
With goREACT, you can become a virtual chemist. Whether you're a novice or expert, the free play and guided modes make it fun and fascinating. - Initiate nearly 300 virtual chemical reactions by dragging elements into the Reaction Area. - Amazing images and videos illustrate the molecules you create. - Select alternate views of the Periodic Table to discover different aspects of the elements’ chemical properties. - Touch any of the Periodic Table's 118 elements to see an image and fun fact about it. - With helpful hints about reactions to try, there’s always something exciting to explore. - “Featured Reactions” menus guide you through themed sets of chemical reactions related to particular applications, such as the environment, beauty products or cars. - Learn more about how the Periodic Table is organized, and follow links to additional educational resources.
SHI
Learn the Tlingit language with this app. It offers hundreds of vocabulary entries and phrases across various categories, complete with audio from fluent speakers. Practice pronunciation, explore the writing system, and test your knowledge with quizzes.
- Hundreds of vocabulary entries
- 20+ learning categories
- Audio from fluent speakers
- Pronunciation and writing system introduction
- Category-based quizzes
- Progress tracking
Read full descriptionHide full description
The “Tlingit Language” app helps to build skills in the language. This app contains hundreds of entries in more than 20 different categories all with accompanying audio for vocabulary and phrases. Quiz yourself by category and beat your previous quiz scores. The app also contains isolated alphabet sounds as an introduction to basic pronunciation and the writing system. The app is designed as an introduction to the Tlingit language and is a supplementary tool for teachers and learners. Audio for the vocabulary and phrases is provided by a variety of fluent speakers.
Screenshots
Verdict
The clearest difference is review sentiment: SHI at 80% against goREACT's 18%. SHI also leads on rating (4.9 vs 2.2). goREACT's advantage is ratings volume (96 vs 15). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SHI holds the better App Store score, 4.9 against 2.2. That said, the two scores are not equally well evidenced: goREACT has 96 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 18% of goREACT's written reviews are positive against 80% of SHI's.
goREACT ships an update every 4 months, SHI every 7 months. The most recent releases landed on October 16, 2026 and October 1, 2026 respectively.
| Parameter | goREACT | SHI |
|---|---|---|
| Price | Free | Free |
| Rating | 2.2 (96 ratings) | 4.9 (15 ratings) — better |
| Positive reviews | 18.1% of reviews | 80.0% of reviews — better |
| Number of ratings | 96 — better | 15 |
| Update frequency | Every 4 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 | 8.0 |
| Further details — not scored | ||
| Size | 46 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | Museum of Science and Industry, Chicago | Sealaska Heritage Institute |
Customer experience
goREACT
SHI
Bugs and requests
goREACT
Reported bugs
9 issues- Black screen on launch
- App won't load
- App crashes on opening
- Information pop-up too short
- Wrong atomic symbol for Terbium
Show 4 moreShow fewer
- Incorrect formula for Zirconyl hydroxyl chloride
- Cannot make certain compounds (e.g., NO2, H2O2, cocaine)
- Categories are bizarre
- App doesn't work on newer iOS versions
Requested features
12 requests- Display reaction on the same page
- Include organic reactions
- Allow multiple elements to be moved at once
- Add better instructions
- Add history feature
Show 7 moreShow fewer
- Implement a points system for challenges
- Add more reactions
- Featured reactions with chemical name search
- Toggle for timed vs. manual pop-ups
- More apps like this for biological molecules
- Allow creation of ionic molecules
- Longer list of reactions
SHI
Not enough reviews yet to summarise bugs or requests.
In-app purchases
goREACT
No in-app purchases
SHI
No in-app purchases









