# Kessil AP700 Controller(PAD) vs AnchorChainCalculator

The clearest difference is review sentiment: AnchorChainCalculator at 100% against Kessil AP700 Controller(PAD)'s 13%. AnchorChainCalculator also leads on rating (5.0 vs 2.0) and update cadence (every 3 weeks vs every 2 months). Kessil AP700 Controller(PAD)'s advantage is price (Free vs $12.99) and iOS requirement (8.0 vs 10.0). On ratings volume, ads and in-app purchases there is nothing between them.

Kessil AP700 Controller(PAD) is free to download; AnchorChainCalculator costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AnchorChainCalculator holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 11 and 5 respectively. Written reviews point the same way: 13% of Kessil AP700 Controller(PAD)'s written reviews are positive against 100% of AnchorChainCalculator's.

Kessil AP700 Controller(PAD) ships an update every 2 months, AnchorChainCalculator every 3 weeks. The most recent releases landed on September 19, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Kessil AP700 Controller(PAD) | AnchorChainCalculator |
| --- | --- | --- |
| Price | **Free** | $12.99 |
| Rating | [2.0 (11 ratings)](https://appshunter.io/ios/app/kessil-ap700-controllerpad/id910772006/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/anchorchaincalculator/id1533741243/reviews)** |
| Number of ratings | **11** | 5 |
| Positive reviews | 12.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Paid |
| Size | 7 MB | 12 MB |
| Requires iOS | **8.0** | 10.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dicon Lighting](https://appshunter.io/developer/932272980) | [Mathias Wagner](https://appshunter.io/developer/1533741245) |

## What reviewers say

### Kessil AP700 Controller(PAD)

[App page](https://appshunter.io/ios/app/kessil-ap700-controllerpad/id910772006)

This app allows users to customize their aquarium lighting by controlling color, intensity, and creating personalized light schedules. Simulate natural sunlight and moonlight cycles for your aquatic environment.

**Highlights:** Intuitive WiFi control, Color and intensity customization, Custom light schedules, Moonlight Mode, Coral Acclimation Mode, Full color wheel control

**In-app purchases:** none


### AnchorChainCalculator

[App page](https://appshunter.io/ios/app/anchorchaincalculator/id1533741243)

Calculate the optimal amount of anchor chain or rope for secure anchoring based on vessel characteristics and sea conditions. Provides detailed load calculations and accounts for dynamic effects like swell and gusts. Supports both metric and imperial units, with options for chain-only or mixed rope/chain setups.

**Highlights:** Physics-based anchoring calculations, Customizable vessel and sea conditions, Chain-only or mixed rope/chain support, Load and swell absorption analysis, Metric and imperial unit support, Multiple vessel configuration storage, Basic and Expert modes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Kessil AP700 Controller(PAD) free?

Kessil AP700 Controller(PAD) is free to download, with no in-app purchases.

### Is AnchorChainCalculator free?

AnchorChainCalculator costs $12.99, with no in-app purchases.

### Which has better reviews, Kessil AP700 Controller(PAD) or AnchorChainCalculator?

AnchorChainCalculator is rated higher. Kessil AP700 Controller(PAD) averages 2.0 out of 5 from 11 ratings, while AnchorChainCalculator averages 5.0 from 5 ratings.

### Do Kessil AP700 Controller(PAD) or AnchorChainCalculator have ads?

Neither Kessil AP700 Controller(PAD) nor AnchorChainCalculator shows ads.

### Which is updated more often, Kessil AP700 Controller(PAD) or AnchorChainCalculator?

Kessil AP700 Controller(PAD) ships an update every 2 months, and AnchorChainCalculator every 3 weeks. Most recently, Kessil AP700 Controller(PAD) was updated on September 19, 2026 and AnchorChainCalculator on October 8, 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.*