# iORA vs 7fish

The clearest difference is in-app purchases: iORA at none against 7fish's 6. iORA also leads on ads (none vs shown) and update cadence (every 2 months vs every 8 months). On price, rating and device support there is nothing between them.

Both are free to download. 7fish sells 6 in-app purchases, starting at $1.99 per month. iORA asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for iORA against 5.0 for 7fish. That said, the two scores are not equally well evidenced: iORA has 12 ratings behind it against 1, so its average is the more settled of the two.

iORA ships an update every 2 months, 7fish every 8 months. The most recent releases landed on September 22, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | iORA | 7fish |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (12 ratings)](https://appshunter.io/ios/app/iora-reaction-visualizer/id1609524913/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/7fish/id6745570737/reviews) |
| Number of ratings | **12** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 40 MB | 61 MB |
| Requires iOS | **14.3** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Ess](https://appshunter.io/developer/1609524915) | [Austen Probst](https://appshunter.io/developer/1812983616) |

## What reviewers say

### iORA

[App page](https://appshunter.io/ios/app/iora-reaction-visualizer/id1609524913)

Visualize chemical reactions in 3D using quantum-mechanical simulations. This free, interactive application makes complex chemistry concepts accessible and engaging for learners.

**Highlights:** 3D chemical reaction visualization, Quantum-mechanical simulations, Interactive learning, Easy to use interface, Educational tool

**Features:** macOS Compatibility

**In-app purchases:** none


### 7fish

[App page](https://appshunter.io/ios/app/7fish/id6745570737)

Learn languages through AI-generated stories tailored to your level and interests. Easily look up words, translate sentences, and listen to stories read aloud. Track your progress as the AI adapts content to your growing proficiency.

**Highlights:** AI-generated custom stories, Interactive word lookup and translation, Audio playback for stories, Progress tracking and adaptive vocabulary, Device syncing (premium), AI chatbot for grammar and vocabulary questions (premium), Weekly multi-chapter saga generation (premium)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic - Monthly | $1.99 | per month |
| Student - Monthly | $6.99 | per month |
| Unlimited - Monthly | $14.99 | per month |
| Basic - Annual | $19.99 | per year |
| Student - Annual | $69.99 | per year |
| Unlimited - Annual | $149.99 | per year |


## Frequently asked questions

### Is iORA free?

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

### Is 7fish free?

7fish is free to download, with in-app purchases available.

### Which has better reviews, iORA or 7fish?

iORA and 7fish are both rated 5.0 out of 5 on the App Store, from 12 and 1 ratings respectively.

### Do iORA or 7fish have ads?

7fish shows ads; iORA does not.

### Which is updated more often, iORA or 7fish?

iORA ships an update every 2 months, and 7fish every 8 months. Most recently, iORA was updated on September 22, 2026 and 7fish on October 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*