# FlameLog vs Check In

The clearest difference is in-app purchases: Check In at none against FlameLog's 4. Check In also leads on update cadence (every 4 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. FlameLog sells 4 in-app purchases, starting at $1.99 per month. Check In asks for nothing beyond the download.

FlameLog ships an update every 2 months, Check In every 4 days. The most recent releases landed on October 18, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | FlameLog | Check In |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 136 MB | 56 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Florian Zandberg](https://appshunter.io/developer/1606341356) | [Gabriel Hesthaven](https://appshunter.io/developer/1645516113) |

## What reviewers say

### FlameLog

[App page](https://appshunter.io/ios/app/flamelog-intimacy-tracker/id6746382399)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FlameLog Plus - Month | $1.99 | per month |
| FlameLog Plus - 3 months | $3.99 | per 3 months |
| FlameLog Plus - annual | $17.99 | per year |
| FlameLog-Plus Lifetime | $49.99 | one-time |


### Check In

[App page](https://appshunter.io/ios/app/check-in-timer/id6792538551)

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

**In-app purchases:** none


## Frequently asked questions

### Is FlameLog free?

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

### Is Check In free?

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

### Do FlameLog or Check In have ads?

Neither FlameLog nor Check In shows ads.

### Which is updated more often, FlameLog or Check In?

FlameLog ships an update every 2 months, and Check In every 4 days. Most recently, FlameLog was updated on October 18, 2026 and Check In on October 10, 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.*