# 外教社物理学英语词典 vs AllSymbols Keypad

The clearest difference is price: 外教社物理学英语词典 at Free against AllSymbols Keypad's $2.99. 外教社物理学英语词典 also leads on iOS requirement (7.1 vs 15.0). AllSymbols Keypad's advantage is in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 24 months). On ads and device support there is nothing between them.

外教社物理学英语词典 is free to download; AllSymbols Keypad costs $2.99 up front. 外教社物理学英语词典 sells 1 one-off in-app purchase. AllSymbols Keypad asks for nothing beyond the download.

外教社物理学英语词典 ships an update every 24 months, AllSymbols Keypad every 3 weeks. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 外教社物理学英语词典 | AllSymbols Keypad |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 3 weeks** |
| Monetization | — | Paid |
| Size | 58 MB | 22 MB |
| Requires iOS | **7.1** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Haidi Digital Publishing Technology Co., Ltd.](https://appshunter.io/developer/1094639160) | [凌云 何](https://appshunter.io/developer/1879789850) |

## What reviewers say

### 外教社物理学英语词典

[App page](https://appshunter.io/ios/app/id868622011)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 外教社物理学英语词典 | $0.99 | one-time |


### AllSymbols Keypad

[App page](https://appshunter.io/ios/app/allsymbols-keypad/id6784938384)

This keyboard extension provides quick access to a vast array of specialized symbols across nine domains, including science, medicine, and finance. It offers a streamlined interface with customizable tabs and a recent symbols feature, enhancing typing efficiency for professionals and students.

**Highlights:** Nine specialized symbol domains, Flat, fast navigation with swipeable tab bar, Recent symbols list, Long-press symbol preview, System-wide keyboard extension, Localization in over 60 languages, Customizable subject visibility

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

**In-app purchases:** none


## Frequently asked questions

### Is 外教社物理学英语词典 free?

外教社物理学英语词典 is free to download, with in-app purchases available.

### Is AllSymbols Keypad free?

AllSymbols Keypad costs $2.99, with no in-app purchases.

### Do 外教社物理学英语词典 or AllSymbols Keypad have ads?

Neither 外教社物理学英语词典 nor AllSymbols Keypad shows ads.

### Which is updated more often, 外教社物理学英语词典 or AllSymbols Keypad?

外教社物理学英语词典 ships an update every 24 months, and AllSymbols Keypad every 3 weeks. Most recently, 外教社物理学英语词典 was updated on November 1, 2026 and AllSymbols Keypad on November 5, 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.*