# ERG 2020 vs 一沐考编考编库事业单位ABCDE类

The clearest difference is in-app purchases: ERG 2020 at none against 一沐考编考编库事业单位ABCDE类's 3. 一沐考编考编库事业单位ABCDE类's advantage is update cadence (every 3 days vs every 8 months) and iOS requirement (9.0 vs 11.0). On price, ads and device support there is nothing between them.

Both are free to download. 一沐考编考编库事业单位ABCDE类 sells 3 one-off in-app purchases. ERG 2020 asks for nothing beyond the download.

ERG 2020 ships an update every 8 months, 一沐考编考编库事业单位ABCDE类 every 3 days. The most recent releases landed on October 23, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | ERG 2020 | 一沐考编考编库事业单位ABCDE类 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (54 ratings)](https://appshunter.io/ios/app/erg-2020/id592158838/reviews)** | — |
| Number of ratings | **54** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 51 MB | 339 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 12+ | 4+ |
| Developer | [National Library of Medicine](https://appshunter.io/developer/352646071) | [乐乐 胡](https://appshunter.io/developer/1611490147) |

## What reviewers say

### ERG 2020

[App page](https://appshunter.io/ios/app/erg-2020/id592158838)

This app provides first responders with critical information for hazmat accidents. It offers an indexed list of dangerous goods, their hazards, and safety precautions to guide immediate response efforts.

**Highlights:** Indexed list of dangerous goods, Associated ID numbers, General hazard information, Recommended safety precautions, Protective distance mapping, Data link sharing

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

**In-app purchases:** none


### 一沐考编考编库事业单位ABCDE类

[App page](https://appshunter.io/ios/app/abcde-2023/id1621671540)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 获取一个月会员服务 | $0.99 | one-time |
| 一年会员服务 | $7.99 | one-time |
| 永久会员服务 | $14.99 | one-time |


## Frequently asked questions

### Is ERG 2020 free?

ERG 2020 is free to download, with no in-app purchases.

### Is 一沐考编考编库事业单位ABCDE类 free?

一沐考编考编库事业单位ABCDE类 is free to download, with in-app purchases available.

### Do ERG 2020 or 一沐考编考编库事业单位ABCDE类 have ads?

Neither ERG 2020 nor 一沐考编考编库事业单位ABCDE类 shows ads.

### Which is updated more often, ERG 2020 or 一沐考编考编库事业单位ABCDE类?

ERG 2020 ships an update every 8 months, and 一沐考编考编库事业单位ABCDE类 every 3 days. Most recently, ERG 2020 was updated on October 23, 2026 and 一沐考编考编库事业单位ABCDE类 on October 27, 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.*