# 3n or Not vs Learn science element symbol

The clearest difference is in-app purchases: 3n or Not at none against Learn science element symbol's 1. 3n or Not also leads on review sentiment (95% vs 75%) and ratings volume (3 vs 1). Learn science element symbol's advantage is iOS requirement (12.0 vs 14.0). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Learn science element symbol sells 1 one-off in-app purchase. 3n or Not asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for 3n or Not against 5.0 for Learn science element symbol. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews are what separate them: 95% of 3n or Not's written reviews are positive against 75% of Learn science element symbol's.

3n or Not ships an update every 4 months, Learn science element symbol every 6 months. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 3n or Not | Learn science element symbol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/3n-or-not/id913003589/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/learn-science-element-symbol/id1150853079/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | **95.5% of reviews** | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 13 MB | 11 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ninicode](https://appshunter.io/developer/647989501) | [kenji kiuchi](https://appshunter.io/developer/553473005) |

## What reviewers say

### 3n or Not

[App page](https://appshunter.io/ios/app/3n-or-not/id913003589)

Test your quick thinking with this educational game.  It challenges you to rapidly identify if a given number is divisible by three. Perfect for practicing mental math skills.

**Highlights:** Quick number discrimination, Multiple of 3 identification, Mental math practice, Educational game

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

**In-app purchases:** none


### Learn science element symbol

[App page](https://appshunter.io/ios/app/learn-science-element-symbol/id1150853079)

This educational app helps users memorize chemical element symbols through a quiz format based on the periodic table. It offers different difficulty levels and tracks accuracy to identify areas for improvement. Aim to clear challenge levels by answering all questions correctly.

**Highlights:** Periodic table quiz format, Easy and Hard difficulty modes, Hint system in Easy mode, Challenge level completion, Accuracy rate tracking, Identification of weak elements

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| remove Ad. | $9.99 | one-time |


## Frequently asked questions

### Is 3n or Not free?

3n or Not is free to download, with no in-app purchases.

### Is Learn science element symbol free?

Learn science element symbol is free to download, with in-app purchases available.

### Which has better reviews, 3n or Not or Learn science element symbol?

3n or Not and Learn science element symbol are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do 3n or Not or Learn science element symbol have ads?

Both 3n or Not and Learn science element symbol show ads.

### Which is updated more often, 3n or Not or Learn science element symbol?

3n or Not ships an update every 4 months, and Learn science element symbol every 6 months. Most recently, 3n or Not was updated on October 16, 2026 and Learn science element symbol on October 17, 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.*