# Wonder When? vs Sincely

The clearest difference is update cadence: Sincely at every 5 days against Wonder When?'s every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Wonder When? sells 1 one-off in-app purchase and Sincely sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Wonder When? ships an update every 2 weeks, Sincely every 5 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Wonder When? | Sincely |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (4 ratings)](https://appshunter.io/ios/app/wonder-when-day-tracker/id6741895888/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 1 MB | 3 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BIG STORY FILMMAKING SERVICE](https://appshunter.io/developer/1550489334) | [Daniel Bartel](https://appshunter.io/developer/1869060114) |

## What reviewers say

### Wonder When?

[App page](https://appshunter.io/ios/app/wonder-when-day-tracker/id6741895888)

Easily record and track the last time you performed specific activities. A simple tap allows you to log your history, with iCloud support for syncing across devices.

**Highlights:** Activity tracking, History logging, Simple tap interface, iCloud support, Cross-device syncing

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Mode | $0.99 | one-time |


### Sincely

[App page](https://appshunter.io/ios/app/sincely-last-time-tracker/id6788566219)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sincely Pro | $3.99 | one-time |


## Frequently asked questions

### Is Wonder When? free?

Wonder When? is free to download, with in-app purchases available.

### Is Sincely free?

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

### Do Wonder When? or Sincely have ads?

Neither Wonder When? nor Sincely shows ads.

### Which is updated more often, Wonder When? or Sincely?

Wonder When? ships an update every 2 weeks, and Sincely every 5 days. Most recently, Wonder When? was updated on October 30, 2026 and Sincely on October 25, 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.*