# TimerTiTi vs DYPPGDMI SeQR Scan

The clearest difference is update cadence: TimerTiTi at monthly against DYPPGDMI SeQR Scan's every 6 months. DYPPGDMI SeQR Scan's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TimerTiTi ships an update monthly, DYPPGDMI SeQR Scan every 6 months. The most recent releases landed on October 14, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | TimerTiTi | DYPPGDMI SeQR Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (23 ratings)](https://appshunter.io/ios/app/timertiti-timer-for-study/id1519159240/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 87.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 months |
| Monetization | Free | — |
| Size | 113 MB | 33 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Minsang Kang](https://appshunter.io/developer/1505566773) | [SECURITY SOFTWARE & SOLUTIONS LLP](https://appshunter.io/developer/1212339368) |

## What reviewers say

### TimerTiTi

[App page](https://appshunter.io/ios/app/timertiti-timer-for-study/id1519159240)

This app helps you track study time with customizable timers and stopwatches. Visualize your progress with daily, weekly, and monthly graphs. Includes a to-do list feature and screen-always-on functionality.

**Highlights:** Timer and stopwatch modes, Customizable target and timer times, Daily, weekly, and monthly progress graphs, To-do list functionality, Always on screen option, Flip to start recording, Customizable background and graph colors

**In-app purchases:** none


### DYPPGDMI SeQR Scan

[App page](https://appshunter.io/ios/app/dyppgdmi-seqr-scan/id6748128885)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TimerTiTi free?

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

### Is DYPPGDMI SeQR Scan free?

DYPPGDMI SeQR Scan is free to download, with no in-app purchases.

### Do TimerTiTi or DYPPGDMI SeQR Scan have ads?

Neither TimerTiTi nor DYPPGDMI SeQR Scan shows ads.

### Which is updated more often, TimerTiTi or DYPPGDMI SeQR Scan?

TimerTiTi ships an update monthly, and DYPPGDMI SeQR Scan every 6 months. Most recently, TimerTiTi was updated on October 14, 2026 and DYPPGDMI SeQR Scan on September 24, 2026.

---

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