# 엑스키퍼 vs AI Bubble Clock

The clearest difference is in-app purchases: AI Bubble Clock at none against 엑스키퍼's 2. AI Bubble Clock also leads on review sentiment (100% vs 90%) and iOS requirement (15.1 vs 18.2). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. 엑스키퍼 sells 2 one-off in-app purchases. AI Bubble Clock asks for nothing beyond the download.

엑스키퍼 ships an update every 2 weeks, AI Bubble Clock every 6 days. The most recent releases landed on October 30, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 엑스키퍼 | AI Bubble Clock |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 90.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 128 MB | 39 MB |
| Requires iOS | 18.2 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [8snippet](https://appshunter.io/developer/1634539466) | [DaeChul Jung](https://appshunter.io/developer/6774486494) |

## What reviewers say

### 엑스키퍼

[App page](https://appshunter.io/ios/app/id6473566233)

Manage your child's smartphone usage with features like time limits, app blocking, and location tracking. Monitor online activity, set schedules, and receive reports to ensure their safety and focus.

**Highlights:** Set daily and scheduled smartphone time limits, Block specific apps and websites, Real-time child location tracking with safety alerts, Monitor online activity and receive daily/weekly reports, Remote smartphone locking and battery check, Safe walking mode to prevent accidents

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 엑스키퍼 모바일 1년권 | $22.99 | one-time |
| 엑스키퍼 PC 1년권 | $24.99 | one-time |

**What reviewers like**

- 👍 Easy to use and manage
- ⏰ Effective time control
- 🔒 Reliable content and app blocking
- 📍 Accurate location tracking
- 📸 Useful screen capture feature

**What reviewers complain about**

- 🐛 Location tracking can be delayed
- 🐛 Occasional network/location errors
- 🐛 App can be slow
- 🐛 Some features bypassable
- 🐛 Samsung background app control limited

**Reported bugs**

- Notifications delayed or not received after payment
- Location tracking inaccurate or not recorded
- Restrictions automatically release after phone restart
- App bypass issues
- App update errors

**Requested features**

- Daily reports with clickable links to visited sites
- More granular app lock and exception settings
- App-specific time limits
- Ability to set time limits for individual apps


### AI Bubble Clock

[App page](https://appshunter.io/ios/app/ai-bubble-clock/id6774486491)

Visualizes the AI industry's investment cycle risk using a clock metaphor. It indicates overheating as it approaches midnight, offering real-time signals and risk assessments. Optional subscriptions provide deeper market indicators and expert analysis.

**Highlights:** AI Cycle Clock visualization, Real-time industry signals, Risk level indicators, Objective risk scoring, Market indicator analysis, Historical comparison, Weekly AI industry briefings

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

**In-app purchases:** none


## Frequently asked questions

### Is 엑스키퍼 free?

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

### Is AI Bubble Clock free?

AI Bubble Clock is free to download, with no in-app purchases.

### Do 엑스키퍼 or AI Bubble Clock have ads?

Neither 엑스키퍼 nor AI Bubble Clock shows ads.

### Which is updated more often, 엑스키퍼 or AI Bubble Clock?

엑스키퍼 ships an update every 2 weeks, and AI Bubble Clock every 6 days. Most recently, 엑스키퍼 was updated on October 30, 2026 and AI Bubble Clock on October 12, 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.*