# 天极校园 vs DG

The clearest difference is update cadence: DG at monthly against 天极校园's every 3 months. 天极校园's advantage is iOS requirement (9.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

天极校园 ships an update every 3 months, DG monthly. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 天极校园 | DG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.8 (26 ratings)](https://appshunter.io/ios/app/dg-lab-40/id6741622647/reviews)** |
| Number of ratings | — | **26** |
| Positive reviews | — | 7.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Free |
| Size | 37 MB | 21 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Shandong Tianji Holding Group Co., LTD](https://appshunter.io/developer/1488278201) | [BeiJing SuMeng Technology Co.,Ltd.](https://appshunter.io/developer/1478400868) |

## What reviewers say

### 天极校园

[App page](https://appshunter.io/ios/app/id1500548632)

**In-app purchases:** none


### DG

[App page](https://appshunter.io/ios/app/dg-lab-40/id6741622647)

This professional-level software offers advanced control for erotic stimulation devices. It utilizes an adaptive pulse algorithm to enhance sensation and stability, allowing for precise customization of waveforms, intensity, frequency, speed, timing, and cycles across two independent channels.

**Highlights:** Adaptive pulse algorithm, Customizable waveform, intensity, frequency, speed, timing, cycle, Independent dual-channel control, Physiological data-based stimulation, G-spot edge locking

**In-app purchases:** none


## Frequently asked questions

### Is 天极校园 free?

天极校园 is free to download, with no in-app purchases.

### Is DG free?

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

### Do 天极校园 or DG have ads?

Neither 天极校园 nor DG shows ads.

### Which is updated more often, 天极校园 or DG?

天极校园 ships an update every 3 months, and DG monthly. Most recently, 天极校园 was updated on October 10, 2026 and DG on October 11, 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.*