# iPlonge vs WetRuler

The clearest difference is update cadence: iPlonge at every 6 weeks against WetRuler's every 43 months. iPlonge also leads on iOS requirement (7.0 vs 15.5). On price, ads, in-app purchases and monetization model there is nothing between them.

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

iPlonge ships an update every 6 weeks, WetRuler every 43 months. The most recent releases landed on September 10, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | iPlonge | WetRuler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/wetruler/id1445381420/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 43 months |
| Monetization | Free | Free |
| Size | 4 MB | 1 MB |
| Requires iOS | **7.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TIWAS COMPANY](https://appshunter.io/developer/638890930) | [Robert Werner](https://appshunter.io/developer/1445381419) |

## What reviewers say

### iPlonge

[App page](https://appshunter.io/ios/app/iplonge/id638890847)

This app provides an instant dive time calculator based on MN90 tables. It displays ascent times and GPS data for quick dive planning. It is a supplementary tool and does not replace formal dive table training.

**Highlights:** Instant dive time calculation, MN90 table based planning, Ascent time display, GPS data integration, Simple value display

**Features:** macOS Compatibility

**In-app purchases:** none


### WetRuler

[App page](https://appshunter.io/ios/app/wetruler/id1445381420)

This augmented reality application measures and weighs fish using your device's camera. Simply place your catch on a surface, select the fish type, and the app will estimate its length and approximate weight. It also records a photo of your catch with the measurements displayed.

**Highlights:** AR measurement grid, Fish type selection, Approximate weight and length calculation, Records catch photos with data, Works in water for catch and release, Supports large fish up to 10 feet

**In-app purchases:** none


## Frequently asked questions

### Is iPlonge free?

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

### Is WetRuler free?

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

### Do iPlonge or WetRuler have ads?

Neither iPlonge nor WetRuler shows ads.

### Which is updated more often, iPlonge or WetRuler?

iPlonge ships an update every 6 weeks, and WetRuler every 43 months. Most recently, iPlonge was updated on September 10, 2026 and WetRuler on October 10, 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.*