# Deep Focus Timer ∞ vs 鹿用水印相机

The clearest difference is update cadence: 鹿用水印相机 at fortnightly against Deep Focus Timer ∞'s every 8 months. 鹿用水印相机 also leads on iOS requirement (14.0 vs 17.6). 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.

Deep Focus Timer ∞ ships an update every 8 months, 鹿用水印相机 fortnightly. The most recent releases landed on June 1, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Deep Focus Timer ∞ | 鹿用水印相机 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/deep-focus-timer/id6739162439/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 8 months | **Fortnightly** |
| Monetization | Ad-supported | — |
| Size | 14 MB | 59 MB |
| Requires iOS | 17.6 | **14.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Codr Co., Ltd.](https://appshunter.io/developer/1781943256) | [Guangzhou JoiWay Information Science & Technology Co., Ltd.](https://appshunter.io/developer/871164721) |

## What reviewers say

### Deep Focus Timer ∞

[App page](https://appshunter.io/ios/app/deep-focus-timer/id6739162439)

A minimalist, full-screen countdown timer designed to eliminate distractions. Set custom durations, start with one tap, and focus on your task with a clean visual display and customizable alarms. Ideal for studying, work sessions, or any activity requiring focused time.

**Highlights:** One-tap start with custom durations, Full-screen visual countdown, Screen stays awake during sessions, Multiple completion tones, Minimal, dark-mode-first interface

**Features:** macOS Compatibility

**In-app purchases:** none


### 鹿用水印相机

[App page](https://appshunter.io/ios/app/id6741020111)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Deep Focus Timer ∞ free?

Deep Focus Timer ∞ is free to download, with no in-app purchases.

### Is 鹿用水印相机 free?

鹿用水印相机 is free to download, with no in-app purchases.

### Do Deep Focus Timer ∞ or 鹿用水印相机 have ads?

Both Deep Focus Timer ∞ and 鹿用水印相机 show ads.

### Which is updated more often, Deep Focus Timer ∞ or 鹿用水印相机?

Deep Focus Timer ∞ ships an update every 8 months, and 鹿用水印相机 fortnightly. Most recently, Deep Focus Timer ∞ was updated on June 1, 2026 and 鹿用水印相机 on September 19, 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.*