# Ai办公 vs 制冷与空调作业题库

The clearest difference is in-app purchases: Ai办公 at none against 制冷与空调作业题库's 10. Ai办公 also leads on update cadence (every 9 days vs every 5 months) and iOS requirement (9.0 vs 12.0). On price, ads and device support there is nothing between them.

Both are free to download. 制冷与空调作业题库 sells 10 one-off in-app purchases. Ai办公 asks for nothing beyond the download.

Ai办公 ships an update every 9 days, 制冷与空调作业题库 every 5 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Ai办公 | 制冷与空调作业题库 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 5 months |
| Size | 40 MB | 88 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tianwen Digital Media Technology (Hunan) Co., Ltd.](https://appshunter.io/developer/914355118) | [Changsha Xisai Liman Education Technology Co., Ltd](https://appshunter.io/developer/1466745593) |

## What reviewers say

### Ai办公

[App page](https://appshunter.io/ios/app/ai/id1460089547)

**Features:** macOS Compatibility

**In-app purchases:** none


### 制冷与空调作业题库

[App page](https://appshunter.io/ios/app/id1525844600)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1学币 | $0.99 | one-time |
| 10学币 | $0.99 | one-time |
| 40学币 | $5.99 | one-time |
| 50学币 | $6.99 | one-time |
| 三个月题库 | $11.99 | one-time |
| 三个月找答案+题库 | $14.99 | one-time |
| 100学币 | $14.99 | one-time |
| 120学币 | $17.99 | one-time |
| 150学币 | $19.99 | one-time |
| 300学币 | $39.99 | one-time |


## Frequently asked questions

### Is Ai办公 free?

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

### Is 制冷与空调作业题库 free?

制冷与空调作业题库 is free to download, with in-app purchases available.

### Do Ai办公 or 制冷与空调作业题库 have ads?

Neither Ai办公 nor 制冷与空调作业题库 shows ads.

### Which is updated more often, Ai办公 or 制冷与空调作业题库?

Ai办公 ships an update every 9 days, and 制冷与空调作业题库 every 5 months. Most recently, Ai办公 was updated on October 26, 2026 and 制冷与空调作业题库 on October 25, 2026.

---

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