# Frok Online vs D

The clearest difference is update cadence: D at every 5 days against Frok Online's fortnightly. 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.

Frok Online ships an update fortnightly, D every 5 days. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Frok Online | D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/frok-online/id1641075971/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Free | — |
| Size | 3 MB | 30 MB |
| Requires iOS | **14.5** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ShenZhen Lenze Technology Co,.Ltd.](https://appshunter.io/developer/1190864538) | [LUN LIU](https://appshunter.io/developer/1890125123) |

## What reviewers say

### Frok Online

[App page](https://appshunter.io/ios/app/frok-online/id1641075971)

Control your aquarium's ambient lighting with this application. Set custom schedules and choose from a variety of colors to create the perfect atmosphere for your fish.

**Highlights:** Set lighting schedules, Customize light colors, Ambient lighting for aquariums, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


### D

[App page](https://appshunter.io/ios/app/d-sync-ecu/id6761677479)

**In-app purchases:** none


## Frequently asked questions

### Is Frok Online free?

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

### Is D free?

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

### Do Frok Online or D have ads?

Neither Frok Online nor D shows ads.

### Which is updated more often, Frok Online or D?

Frok Online ships an update fortnightly, and D every 5 days. Most recently, Frok Online was updated on October 2, 2026 and D on October 6, 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.*