# Simple Logarithm PRO vs Vita

The clearest difference is review sentiment: Vita at 100% against Simple Logarithm PRO's 0%. Vita also leads on price (Free vs $1.99) and update cadence (every 2 weeks vs monthly). Simple Logarithm PRO's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

Vita is free to download; Simple Logarithm PRO costs $1.99 up front. Vita sells 3 one-off in-app purchases. Simple Logarithm PRO asks for nothing beyond the download.

Simple Logarithm PRO ships an update monthly, Vita every 2 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Simple Logarithm PRO | Vita |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.4 (8 ratings)](https://appshunter.io/ios/app/vita-app-access-manager/id6449430025/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 180 MB | 25 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) | [小兰 汪](https://appshunter.io/developer/689624109) |

## What reviewers say

### Simple Logarithm PRO

[App page](https://appshunter.io/ios/app/simple-logarithm-pro/id1662897702)

This app simplifies complex logarithm and exponentiation calculations with step-by-step solutions. It supports various input types, including decimals, fractions, and negative values, and provides a history of all calculations.

**Highlights:** Logarithm and exponentiation modes, Step-by-step solution display, Support for decimals, fractions, and negative values, Calculation history, Transformation between logarithm and exponentiation, Logarithm rules infographic, Solution sharing

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

**In-app purchases:** none


### Vita

[App page](https://appshunter.io/ios/app/vita-app-access-manager/id6449430025)

This app helps you manage screen time by restricting access to other applications. It offers manual and scheduled restrictions, as well as location-based controls. A disguise feature adds an extra layer of privacy by making the app appear as a different utility.

**Highlights:** Manual app restriction, Scheduled app restrictions, Location-based app restrictions, App disguise feature, Password protection

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro to Ultra | $1.99 | one-time |
| Vita Pro | $2.99 | one-time |
| Vita Ultra | $3.99 | one-time |


## Frequently asked questions

### Is Simple Logarithm PRO free?

Simple Logarithm PRO costs $1.99, with no in-app purchases.

### Is Vita free?

Vita is free to download, with in-app purchases available.

### Do Simple Logarithm PRO or Vita have ads?

Neither Simple Logarithm PRO nor Vita shows ads.

### Which is updated more often, Simple Logarithm PRO or Vita?

Simple Logarithm PRO ships an update monthly, and Vita every 2 weeks. Most recently, Simple Logarithm PRO was updated on November 3, 2026 and Vita on November 3, 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.*