# 田课 vs Stackd

The clearest difference is in-app purchases: 田课 at none against Stackd's 1. 田课 also leads on iOS requirement (13.0 vs 18). Stackd's advantage is update cadence (fortnightly vs every 21 months). On price, ads and device support there is nothing between them.

Both are free to download. Stackd sells 1 one-off in-app purchase. 田课 asks for nothing beyond the download.

田课 ships an update every 21 months, Stackd fortnightly. The most recent releases landed on September 23, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | 田课 | Stackd |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 21 months | **Fortnightly** |
| Size | 110 MB | 3 MB |
| Requires iOS | **13.0** | 18 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [隆平高科信息技术(北京)有限公司](https://appshunter.io/developer/1474588410) | [Nene Nakagawa](https://appshunter.io/developer/1821103094) |

## What reviewers say

### 田课

[App page](https://appshunter.io/ios/app/id1497643167)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stackd

[App page](https://appshunter.io/ios/app/stackd-study-timer-and-tracker/id6761293821)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stackd Pro | $1.99 | one-time |


## Frequently asked questions

### Is 田课 free?

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

### Is Stackd free?

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

### Do 田课 or Stackd have ads?

Neither 田课 nor Stackd shows ads.

### Which is updated more often, 田课 or Stackd?

田课 ships an update every 21 months, and Stackd fortnightly. Most recently, 田课 was updated on September 23, 2026 and Stackd on September 14, 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.*