# One Second Day vs TwoSec

The clearest difference is update cadence: TwoSec at every 3 days against One Second Day's every 5 months. One Second Day's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. One Second Day sells 6 in-app purchases, starting at $3.99 per month and TwoSec sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

One Second Day ships an update every 5 months, TwoSec every 3 days. The most recent releases landed on October 27, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | One Second Day | TwoSec |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (13 ratings)](https://appshunter.io/ios/app/one-second-day-video-diary/id6449895509/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 68 MB | 2 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nikita Prokopishin](https://appshunter.io/developer/1684688708) | [Content Petit LLC](https://appshunter.io/developer/1876541167) |

## What reviewers say

### One Second Day

[App page](https://appshunter.io/ios/app/one-second-day-video-diary/id6449895509)

Capture a single second of video each day to create a personal movie montage of your life. This app offers a simple camera, helpful reminders, and the ability to compile your daily clips into a year-in-review film or for any selected period.

**Highlights:** Record one second of video daily, Daily video recording reminders, Track consecutive recording streaks, Combine clips into a single movie, Create movies for specific time periods, Option for multiple shots on special days

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Unlimited Access | $3.99 | per month |
| Unlimited Access (Monthly) | $4.99 | per month |
| Annual Unlimited Access | $19.99 | per year |
| Unlimited Access (Annual) | $29.99 | per year |
| Lifetime Unlimited Access | $29.99 | one-time |
| Unlimited Access | $49.99 | one-time |


### TwoSec

[App page](https://appshunter.io/ios/app/twosec-2-second-video-diary/id6775273912)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TwoSec Pro Monthly | $2.99 | per month |
| TwoSec Pro Yearly | $19.99 | per year |
| TwoSec Pro Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is One Second Day free?

One Second Day is free to download, with in-app purchases available.

### Is TwoSec free?

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

### Do One Second Day or TwoSec have ads?

Neither One Second Day nor TwoSec shows ads.

### Which is updated more often, One Second Day or TwoSec?

One Second Day ships an update every 5 months, and TwoSec every 3 days. Most recently, One Second Day was updated on October 27, 2026 and TwoSec on October 29, 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.*