# Gear Calculator Plus vs OnTime Task Manager

The clearest difference is review sentiment: OnTime Task Manager at 100% against Gear Calculator Plus's 0%. OnTime Task Manager also leads on price (Free vs $2.99) and update cadence (weekly vs every 29 months). Gear Calculator Plus's advantage is iOS requirement (13 vs 16). On ads, in-app purchases and device support there is nothing between them.

OnTime Task Manager is free to download; Gear Calculator Plus costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Gear Calculator Plus ships an update every 29 months, OnTime Task Manager weekly. The most recent releases landed on September 4, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Gear Calculator Plus | OnTime Task Manager |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[3.6 (5 ratings)](https://appshunter.io/ios/app/gear-calculator-plus/id1094652540/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Weekly** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 9 MB |
| Requires iOS | **13** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Elshan Aliyev](https://appshunter.io/developer/1691286018) |

## What reviewers say

### Gear Calculator Plus

[App page](https://appshunter.io/ios/app/gear-calculator-plus/id1094652540)

Calculate a car's theoretical speed in any gear based on engine RPM, transmission, differential ratios, and tire size. It can also determine travel distance per engine revolution and estimate top speed for each gear. Supports both metric and imperial units.

**Highlights:** Calculate theoretical speed per gear, Calculate travel distance per engine revolution, Determine top speed for each gear, Metric or Imperial units, Universal app for iPhone and iPad

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

**In-app purchases:** none


### OnTime Task Manager

[App page](https://appshunter.io/ios/app/ontime-task-manager/id6449971202)

This productivity app helps you organize tasks, set due dates, and prioritize with ease. It also allows for seamless collaboration by sharing tasks with others for real-time teamwork. Discover new challenges to continuously grow and develop.

**Highlights:** Effortless task organization, Set due dates and prioritize, Seamless collaboration and sharing, Real-time teamwork, Discover new tasks and challenges

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Gear Calculator Plus free?

Gear Calculator Plus costs $2.99, with no in-app purchases.

### Is OnTime Task Manager free?

OnTime Task Manager is free to download, with no in-app purchases.

### Do Gear Calculator Plus or OnTime Task Manager have ads?

Neither Gear Calculator Plus nor OnTime Task Manager shows ads.

### Which is updated more often, Gear Calculator Plus or OnTime Task Manager?

Gear Calculator Plus ships an update every 29 months, and OnTime Task Manager weekly. Most recently, Gear Calculator Plus was updated on September 4, 2026 and OnTime Task Manager on September 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.*