# Caesar Shift Plus vs Calcu

The clearest difference is price: Calcu at Free against Caesar Shift Plus's $0.99. Calcu also leads on rating (5.0 vs 4.0) and update cadence (every 3 days vs every 7 months). Caesar Shift Plus's advantage is iOS requirement (13.0 vs 15.0). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Calcu is free to download; Caesar Shift Plus costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Calcu holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Caesar Shift Plus ships an update every 7 months, Calcu every 3 days. The most recent releases landed on September 23, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Caesar Shift Plus | Calcu |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/caesar-shift-plus/id790429949/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calcu-logarithm/id6698852208/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 days** |
| Monetization | Paid | **Free** |
| Size | 10 MB | 3 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [a Rausa](https://appshunter.io/developer/638439637) | [Yuri Morozov](https://appshunter.io/developer/1582368813) |

## What reviewers say

### Caesar Shift Plus

[App page](https://appshunter.io/ios/app/caesar-shift-plus/id790429949)

Easily encrypt and decrypt messages using the classic Caesar cipher method. This tool allows you to substitute letters in a secret message with others a fixed number of positions away in the alphabet.

**Highlights:** Encrypt messages, Decrypt messages, Caesar cipher method, Substitution cipher, Simple interface

**Features:** Vision Pro support

**In-app purchases:** none


### Calcu

[App page](https://appshunter.io/ios/app/calcu-logarithm/id6698852208)

This app provides advanced logarithmic calculations and explanations, covering equation solving, Taylor series, digit-by-digit computation, and integral definitions. It also simplifies expressions, solves complex logarithmic equations, and includes a virtual slide rule.

**Highlights:** Solves logarithmic equations for y, x, and a, Explains Taylor series for log_e(x), Illustrates digit-by-digit log_10(x) computation, Explains log_e definition via integrals, Simplifies logarithmic expressions, Calculates and graphs complex logarithms, Includes virtual slide rule

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Caesar Shift Plus free?

Caesar Shift Plus costs $0.99, with no in-app purchases.

### Is Calcu free?

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

### Which has better reviews, Caesar Shift Plus or Calcu?

Calcu is rated higher. Caesar Shift Plus averages 4.0 out of 5 from 1 ratings, while Calcu averages 5.0 from 1 ratings.

### Do Caesar Shift Plus or Calcu have ads?

Neither Caesar Shift Plus nor Calcu shows ads.

### Which is updated more often, Caesar Shift Plus or Calcu?

Caesar Shift Plus ships an update every 7 months, and Calcu every 3 days. Most recently, Caesar Shift Plus was updated on September 23, 2026 and Calcu on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*