# Study Timer Display vs OneTime

The clearest difference is price: OneTime at Free against Study Timer Display's $1.99. Study Timer Display's advantage is in-app purchases (none vs 4) and ads (none vs shown). On update cadence and device support there is nothing between them.

OneTime is free to download; Study Timer Display costs $1.99 up front. OneTime sells 4 in-app purchases, starting at $0.99 per month. Study Timer Display asks for nothing beyond the download.

Study Timer Display ships an update every 4 days, OneTime weekly. The most recent releases landed on September 21, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Study Timer Display | OneTime |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Paid | — |
| Size | 19 MB | 65 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JAEMIN LEE](https://appshunter.io/developer/1787329213) | [UNCHAN BAEK](https://appshunter.io/developer/6774037513) |

## What reviewers say

### Study Timer Display

[App page](https://appshunter.io/ios/app/study-timer-display/id6755321443)

Transform your device into a minimalist, distraction-free desk clock. Ideal for students and productivity environments, it helps maintain focus during study sessions and homework.

**Highlights:** Minimalist desk clock design, Distraction-free environment, Ideal for study sessions, Suitable for homework time, Useful for library use, Enhances productivity

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

**In-app purchases:** none


### OneTime

[App page](https://appshunter.io/ios/app/onetime-daily-time-tracker/id6774037511)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Launch Monthly | $0.99 | per month |
| Monthly | $1.99 | per month |
| Token Bundle | $0.99 | one-time |
| Lifetime | $11.99 | one-time |


## Frequently asked questions

### Is Study Timer Display free?

Study Timer Display costs $1.99, with no in-app purchases.

### Is OneTime free?

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

### Do Study Timer Display or OneTime have ads?

OneTime shows ads; Study Timer Display does not.

### Which is updated more often, Study Timer Display or OneTime?

Study Timer Display ships an update every 4 days, and OneTime weekly. Most recently, Study Timer Display was updated on September 21, 2026 and OneTime on October 1, 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.*