# Time Filler vs One Second Challenge

The clearest difference is in-app purchases: One Second Challenge at none against Time Filler's 1. One Second Challenge also leads on ads (none vs shown). Time Filler's advantage is update cadence (every 2 days vs every 6 weeks) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. Time Filler sells 1 one-off in-app purchase. One Second Challenge asks for nothing beyond the download.

Time Filler ships an update every 2 days, One Second Challenge every 6 weeks. The most recent releases landed on October 31, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Time Filler | One Second Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 71 MB | 1 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fountain Interactive Ltd](https://appshunter.io/developer/1449755670) | [THEJ KUMAR SIDDHOTAM ARULRAJ](https://appshunter.io/developer/1781177167) |

## What reviewers say

### Time Filler

[App page](https://appshunter.io/ios/app/time-filler-count-10-seconds/id6759968624)

Test your internal clock by holding a button and releasing it when you believe 10 seconds have passed. The game employs various distractions to challenge your perception of time, with health mechanics based on timing accuracy. Compete in daily challenges or against friends.

**Highlights:** Hold button to count time, No visible timer or progress bar, Sabotage mechanics for time perception, Health system based on timing accuracy, Marathon mode for survival, Daily Challenge and VS Mode, Shareable results

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Go Unlimited | $2.99 | one-time |


### One Second Challenge

[App page](https://appshunter.io/ios/app/one-second-challenge/id6768998129)

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

**In-app purchases:** none


## Frequently asked questions

### Is Time Filler free?

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

### Is One Second Challenge free?

One Second Challenge is free to download, with no in-app purchases.

### Do Time Filler or One Second Challenge have ads?

Time Filler shows ads; One Second Challenge does not.

### Which is updated more often, Time Filler or One Second Challenge?

Time Filler ships an update every 2 days, and One Second Challenge every 6 weeks. Most recently, Time Filler was updated on October 31, 2026 and One Second Challenge on November 9, 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.*