# Dipper水族系统 vs TrendLens

The clearest difference is update cadence: TrendLens at weekly against Dipper水族系统's every 2 months. Dipper水族系统's advantage is iOS requirement (13.0 vs 17.0). 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.

Dipper水族系统 ships an update every 2 months, TrendLens weekly. The most recent releases landed on October 24, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Dipper水族系统 | TrendLens |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 36 MB | 2 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [丽辉 王](https://appshunter.io/developer/1629156920) | [ZHIYI LIN](https://appshunter.io/developer/1783163574) |

## What reviewers say

### Dipper水族系统

[App page](https://appshunter.io/ios/app/dipper/id6670388006)

**In-app purchases:** none


### TrendLens

[App page](https://appshunter.io/ios/app/trendlens/id6738962925)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dipper水族系统 free?

Dipper水族系统 is free to download, with no in-app purchases.

### Is TrendLens free?

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

### Do Dipper水族系统 or TrendLens have ads?

Neither Dipper水族系统 nor TrendLens shows ads.

### Which is updated more often, Dipper水族系统 or TrendLens?

Dipper水族系统 ships an update every 2 months, and TrendLens weekly. Most recently, Dipper水族系统 was updated on October 24, 2026 and TrendLens on November 4, 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.*