# ZeroIn vs Timeless

The clearest difference is in-app purchases: Timeless at none against ZeroIn's 3. ZeroIn's advantage is iOS requirement (15.0 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. ZeroIn sells 3 one-off in-app purchases. Timeless asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for ZeroIn against 5.0 for Timeless. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

## The numbers

| Metric | ZeroIn | Timeless |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/zeroin-reaction-time-and-reflex/id6788565326/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/timeless-timer-game/id6797107718/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 54 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Emre ALTUN](https://appshunter.io/developer/1852335131) | [Mohammad Mahdi Sulaiman](https://appshunter.io/developer/1865556346) |

## What reviewers say

### ZeroIn

[App page](https://appshunter.io/ios/app/zeroin-reaction-time-and-reflex/id6788565326)

A reflex game where players stop a timer precisely on target, featuring various timing modes and challenges. Compete with others online or test your skills through hundreds of levels. Boosters and daily rewards help you progress.

**Highlights:** Stopwatch timing challenges, Visible, vanishing, and blind timing modes, Math and time estimation targets, Online reflex duels with leaderboards, Monthly seasons with rewards, Boosters for assistance, Daily rewards and streaks

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Life Refill | $1.99 | one-time |
| Remove Ads | $3.99 | one-time |
| ZeroIn Pro | $9.99 | one-time |


### Timeless

[App page](https://appshunter.io/ios/app/timeless-timer-game/id6797107718)

A precision timing game where you estimate elapsed time without a clock. Earn rewards, unlock customizations, and improve your sense of time through various game modes and challenges. Progress is saved locally on your device.

**Highlights:** Estimate time without a clock, Stop hidden timers precisely, Guided five-round sessions, Free practice mode, Earn XP and unlock achievements, Customize clock designs, Streak-based reward system

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

**In-app purchases:** none


## Frequently asked questions

### Is ZeroIn free?

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

### Is Timeless free?

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

### Which has better reviews, ZeroIn or Timeless?

ZeroIn and Timeless are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do ZeroIn or Timeless have ads?

Both ZeroIn and Timeless show ads.

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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.*