# Aquarium Planner AR vs Caesar

The clearest difference is price: Caesar at Free against Aquarium Planner AR's $1.99. Caesar also leads on update cadence (every 2 weeks vs every 44 months) and iOS requirement (15.0 vs 17.5). Aquarium Planner AR's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

Caesar is free to download; Aquarium Planner AR costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Aquarium Planner AR ships an update every 44 months, Caesar every 2 weeks. The most recent releases landed on September 22, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Aquarium Planner AR | Caesar |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/caesar-cipher/id1559575000/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 10.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 44 months | **Every 2 weeks** |
| Monetization | Paid | **Ad-supported** |
| Size | 1 MB | 43 MB |
| Requires iOS | 17.5 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [John Ostler](https://appshunter.io/developer/1279335874) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Aquarium Planner AR

[App page](https://appshunter.io/ios/app/aquarium-planner-ar/id1290236851)

Visualize your dream aquarium in your own space using augmented reality before you buy. Design custom tanks with detailed dimensions, substrate, lighting, and aquascaping. See how your planned aquarium fits and looks in your room.

**Highlights:** Augmented reality visualization, Custom aquarium dimensions, Detailed design customization, Aquascaping and livestock simulation, Save and compare multiple designs, AR placement in your space

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

**In-app purchases:** none


### Caesar

[App page](https://appshunter.io/ios/app/caesar-cipher/id1559575000)

This utility tool encrypts and decrypts text using a Caesar cipher. Users can specify a shift value to transform their messages. Converted text can be saved within the application for later use.

**Highlights:** Caesar cipher encryption, Caesar cipher decryption, Customizable shift parameter, Save converted strings, Text transformation utility

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Aquarium Planner AR free?

Aquarium Planner AR costs $1.99, with no in-app purchases.

### Is Caesar free?

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

### Do Aquarium Planner AR or Caesar have ads?

Caesar shows ads; Aquarium Planner AR does not.

### Which is updated more often, Aquarium Planner AR or Caesar?

Aquarium Planner AR ships an update every 44 months, and Caesar every 2 weeks. Most recently, Aquarium Planner AR was updated on September 22, 2026 and Caesar on September 13, 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.*