# 44th ISTS Symposium vs Clockera

The clearest difference is in-app purchases: 44th ISTS Symposium at none against Clockera's 2. 44th ISTS Symposium also leads on update cadence (every 4 days vs every 2 months) and iOS requirement (13.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Clockera sells 2 in-app purchases, starting at $2.99 per month. 44th ISTS Symposium asks for nothing beyond the download.

44th ISTS Symposium ships an update every 4 days, Clockera every 2 months. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 44th ISTS Symposium | Clockera |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Size | 18 MB | 22 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Poznan Supercomputing and Networking Center](https://appshunter.io/developer/726093818) | [Bora Can Baltaci](https://appshunter.io/developer/1885780567) |

## What reviewers say

### 44th ISTS Symposium

[App page](https://appshunter.io/ios/app/44th-ists-symposium/id6759277003)

**Features:** macOS Compatibility

**In-app purchases:** none


### Clockera

[App page](https://appshunter.io/ios/app/clockera-aesthetic-timer/id6760901283)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Clockera Premium - Monthly | $2.99 | per month |
| Get Clockera Premium - Yearly | $17.99 | per year |


## Frequently asked questions

### Is 44th ISTS Symposium free?

44th ISTS Symposium is free to download, with no in-app purchases.

### Is Clockera free?

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

### Do 44th ISTS Symposium or Clockera have ads?

Neither 44th ISTS Symposium nor Clockera shows ads.

### Which is updated more often, 44th ISTS Symposium or Clockera?

44th ISTS Symposium ships an update every 4 days, and Clockera every 2 months. Most recently, 44th ISTS Symposium was updated on October 11, 2026 and Clockera on October 8, 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.*