# Lost Time vs Systems

The clearest difference is iOS requirement: Lost Time at 17.0 against Systems's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Lost Time sells 3 in-app purchases, starting at $12.99 per year and Systems sells 4 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Lost Time ships an update every 5 weeks, Systems every 4 weeks. The most recent releases landed on September 19, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Lost Time | Systems |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/lost-time-day-journal/id6736591132/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 26 MB | 70 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [APSalin Company](https://appshunter.io/developer/377634803) | [Adam Kovacs](https://appshunter.io/developer/1814096456) |

## What reviewers say

### Lost Time

[App page](https://appshunter.io/ios/app/lost-time-day-journal/id6736591132)

This app helps you visualize your life's progress by tracking your efforts, habits, and projects on a single timeline. It offers flexible tracking formats and prioritizes user privacy with no ads or data tracking.

**Highlights:** Visual timeline of efforts, Flexible tracking formats, Habit and project logging, Privacy-focused, no ads, Pattern and streak identification, Customizable activity tracking

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $12.99 | per year |
| Plus | $19.99 | per year |
| Pro | $29.99 | per year |


### Systems

[App page](https://appshunter.io/ios/app/systems-checklists/id6746172413)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Systems Pro Weekly | $3.99 | per 7 days |
| Systems Pro (1 Month) | $4.99 | per month |
| Systems Pro (1 Year) | $19.99 | per year |
| Systems Pro (Lifetime) | $49.99 | one-time |


## Frequently asked questions

### Is Lost Time free?

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

### Is Systems free?

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

### Do Lost Time or Systems have ads?

Neither Lost Time nor Systems shows ads.

### Which is updated more often, Lost Time or Systems?

Lost Time ships an update every 5 weeks, and Systems every 4 weeks. Most recently, Lost Time was updated on September 19, 2026 and Systems on September 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*