# DG vs SOLAR

The clearest difference is price: DG at Free against SOLAR's $2.99. DG also leads on iOS requirement (15.0 vs 18.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

DG is free to download; SOLAR costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

DG ships an update monthly, SOLAR every 2 weeks. The most recent releases landed on October 23, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | DG | SOLAR |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| 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 | Monthly | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 21 MB | 20 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [BeiJing SuMeng Technology Co.,Ltd.](https://appshunter.io/developer/1478400868) | [timothe marcellin](https://appshunter.io/developer/6810464369) |

## What reviewers say

### 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


### SOLAR

[App page](https://appshunter.io/ios/app/solar-sun-tracker-and-time/id6810464367)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DG free?

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

### Is SOLAR free?

SOLAR costs $2.99, with no in-app purchases.

### Do DG or SOLAR have ads?

Neither DG nor SOLAR shows ads.

### Which is updated more often, DG or SOLAR?

DG ships an update monthly, and SOLAR every 2 weeks. Most recently, DG was updated on October 23, 2026 and SOLAR on October 29, 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.*