# BubbleMomo vs BlackLock

The clearest difference is rating: BlackLock at 5.0 against BubbleMomo's 4.4. BubbleMomo's advantage is review sentiment (60% vs 50%) and ratings volume (10 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. BubbleMomo sells 2 in-app purchases, starting at $0.99 per month and BlackLock sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

BlackLock holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: BubbleMomo has 10 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 60% of BubbleMomo's written reviews are positive against 50% of BlackLock's, so the app with the better star average is not the one people write more warmly about.

BubbleMomo ships an update fortnightly, BlackLock every 3 weeks. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | BubbleMomo | BlackLock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (10 ratings)](https://appshunter.io/ios/app/bubblemomo-she-never-forgets/id6746044175/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/blacklock-blackout-study-ai/id6757925521/reviews)** |
| Number of ratings | **10** | 2 |
| Positive reviews | **60.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 39 MB | 20 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Pop Up Limited](https://appshunter.io/developer/1808148664) | [GOAT STEW LLC](https://appshunter.io/developer/1854036252) |

## What reviewers say

### BubbleMomo

[App page](https://appshunter.io/ios/app/bubblemomo-she-never-forgets/id6746044175)

This app uses persistent, customizable reminders to help you complete tasks. It features varied reminder messages and a fun 'Crazy Bubble Mode' for stress relief. The goal is to ensure you finish what you start with a cute and clingy approach.

**Highlights:** Persistent reminders until task completion, Customizable reminder frequency, Varied daily reminder messages, Crazy Bubble Mode for stress relief, Task bubbles to pop upon completion

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BubbleMomo Pro | $0.99 | per month |
| BubbleMomo Full Functions | $5.99 | one-time |


### BlackLock

[App page](https://appshunter.io/ios/app/blacklock-blackout-study-ai/id6757925521)

This app is a comprehensive study tool that helps you capture notes, link concepts, and visualize relationships. It transforms your material into flashcards and quizzes, offering active recall practice and the ability to import and annotate documents.

**Highlights:** Rich text note-taking, Concept linking with backlinks and tags, Interactive mind map visualization, AI-powered flashcard generation, Active recall blackout study mode, PDF, image, and slide import, Annotation with Apple Pencil

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $39.99 | per year |


## Frequently asked questions

### Is BubbleMomo free?

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

### Is BlackLock free?

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

### Which has better reviews, BubbleMomo or BlackLock?

BlackLock is rated higher. BubbleMomo averages 4.4 out of 5 from 10 ratings, while BlackLock averages 5.0 from 2 ratings.

### Do BubbleMomo or BlackLock have ads?

Neither BubbleMomo nor BlackLock shows ads.

### Which is updated more often, BubbleMomo or BlackLock?

BubbleMomo ships an update fortnightly, and BlackLock every 3 weeks. Most recently, BubbleMomo was updated on October 24, 2026 and BlackLock on October 6, 2026.

---

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