# Chemistry Dictionary vs Study Buddy Guru

The clearest difference is review sentiment: Study Buddy Guru at 100% against Chemistry Dictionary's 50%. Study Buddy Guru also leads on rating (4.2 vs 3.7) and update cadence (monthly vs every 9 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Chemistry Dictionary sells 5 in-app purchases, starting at $1.99 per 7 days and Study Buddy Guru sells 12 in-app purchases, starting at $0.29 per month. Whichever you choose, the download price is not the number that matters.

Study Buddy Guru holds the better App Store score, 4.2 against 3.7. Both are backed by a comparable volume of ratings — 7 and 5 respectively. Written reviews point the same way: 50% of Chemistry Dictionary's written reviews are positive against 100% of Study Buddy Guru's.

Chemistry Dictionary ships an update every 9 months, Study Buddy Guru monthly. The most recent releases landed on October 6, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Chemistry Dictionary | Study Buddy Guru |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (7 ratings)](https://appshunter.io/ios/app/chemistry-dictionary-offline/id1485972419/reviews) | **[4.2 (5 ratings)](https://appshunter.io/ios/app/study-buddy-guru-learn-stem/id1574450368/reviews)** |
| Number of ratings | **7** | 5 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 13 MB | 99 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Puju Dekivadiya](https://appshunter.io/developer/1289574712) | [ADIMPRESSION PTE. LTD.](https://appshunter.io/developer/879924923) |

## What reviewers say

### Chemistry Dictionary

[App page](https://appshunter.io/ios/app/chemistry-dictionary-offline/id1485972419)

Access a comprehensive offline dictionary of chemistry terms, puzzles, and idioms with clear definitions. Easily search, save favorites, and test your knowledge with an integrated quiz. Ideal for students and professionals needing quick access to chemical terminology.

**Highlights:** Offline access to thousands of chemistry terms, Easy search and instant search functionality, Save favorite terms for later use, Integrated quiz for knowledge testing, Speech-to-text and text-to-speech features, Share terms and definitions easily, Search history tracking

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro Plan | $1.99 | per 7 days |
| Monthly Pro Plan | $4.99 | per month |
| Yearly Pro Plan | $29.99 | per year |
| Remove Ads | $9.99 | one-time |
| Lifetime Access | $39.99 | one-time |


### Study Buddy Guru

[App page](https://appshunter.io/ios/app/study-buddy-guru-learn-stem/id1574450368)

This app provides engaging video lessons and interactive quizzes to help students master chemistry, biology, and science. It offers personalized feedback and explanations to guide learning at your own pace, aiming to improve academic performance.

**Highlights:** Engaging video lessons, Automated progress feedback, Helpful concept explanations, Quizzes and challenges, Study at your own pace, Personalized learning guidance

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Biology - Learn Slow Paced | $0.29 | per month |
| Science - Learn Slow Paced | $0.29 | per month |
| Mathematics - Learn Slow Paced | $0.49 | per month |
| Mathematics - Learn Medium Paced | $0.99 | per month |
| Biology - Learn Medium Paced | $0.99 | per month |
| Science - Learn Medium Paced | $0.99 | per month |
| Mathematics - Learn Fast Paced | $1.99 | per month |
| Biology - Learn Fast Paced | $3.99 | per month |
| Science - Learn Fast Paced | $3.99 | per month |
| Chemistry - Learn Slow Paced | $5.99 | per month |
| Chemistry - Learn Medium Paced | $6.99 | per month |
| Chemistry - Learn Fast Paced | $9.99 | per month |


## Frequently asked questions

### Is Chemistry Dictionary free?

Chemistry Dictionary is free to download, with in-app purchases available.

### Is Study Buddy Guru free?

Study Buddy Guru is free to download, with in-app purchases available.

### Which has better reviews, Chemistry Dictionary or Study Buddy Guru?

Study Buddy Guru is rated higher. Chemistry Dictionary averages 3.7 out of 5 from 7 ratings, while Study Buddy Guru averages 4.2 from 5 ratings.

### Do Chemistry Dictionary or Study Buddy Guru have ads?

Both Chemistry Dictionary and Study Buddy Guru show ads.

### Which is updated more often, Chemistry Dictionary or Study Buddy Guru?

Chemistry Dictionary ships an update every 9 months, and Study Buddy Guru monthly. Most recently, Chemistry Dictionary was updated on October 6, 2026 and Study Buddy Guru on September 18, 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.*