# Glider MDP vs Opening Bell

The clearest difference is review sentiment: Opening Bell at 100% against Glider MDP's 0%. Opening Bell also leads on rating (5.0 vs 2.3) and update cadence (every 4 days vs fortnightly). Glider MDP's advantage is in-app purchases (none vs 2) and iOS requirement (12.0 vs 16.4). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Opening Bell sells 2 in-app purchases, starting at $2.99 per month. Glider MDP asks for nothing beyond the download.

Opening Bell holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 8 and 4 respectively. Written reviews point the same way: 0% of Glider MDP's written reviews are positive against 100% of Opening Bell's.

Glider MDP ships an update fortnightly, Opening Bell every 4 days. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Glider MDP | Opening Bell |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (8 ratings)](https://appshunter.io/ios/app/glider-mdp/id1583548870/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/opening-bell-habit-tracker/id6811488099/reviews)** |
| Number of ratings | **8** | 4 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | **Free** | Freemium |
| Size | 28 MB | 64 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Ai Glider Inc](https://appshunter.io/developer/1583548872) | [Frederick Fermin](https://appshunter.io/developer/6811488101) |

## What reviewers say

### Glider MDP

[App page](https://appshunter.io/ios/app/glider-mdp/id1583548870)

This application prevents mobile device usage and detects any activity during online assessments. It maintains a continuous session between the assessment web application and the user's device throughout the exam duration.

**Highlights:** Blocks mobile device usage, Detects mobile activity, Maintains constant session, Secures online assessments, Works with web applications

**In-app purchases:** none


### Opening Bell

[App page](https://appshunter.io/ios/app/opening-bell-habit-tracker/id6811488099)

This app gamifies habit tracking by treating habits like stocks. Log your activities to increase their 'price,' and review your weekly performance with market-style earnings reports. It offers unique comeback bonuses and trading halts for missed habits.

**Highlights:** Habits as stock tickers, Price increases with logging, Weekly earnings reports, Comeback bonuses, Trading halts for misses, Customizable guidance, Social exchanges

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Opening Bell Plus, Monthly | $2.99 | per month |
| Opening Bell Plus, Annual | $19.99 | per year |


## Frequently asked questions

### Is Glider MDP free?

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

### Is Opening Bell free?

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

### Which has better reviews, Glider MDP or Opening Bell?

Opening Bell is rated higher. Glider MDP averages 2.3 out of 5 from 8 ratings, while Opening Bell averages 5.0 from 4 ratings.

### Do Glider MDP or Opening Bell have ads?

Neither Glider MDP nor Opening Bell shows ads.

### Which is updated more often, Glider MDP or Opening Bell?

Glider MDP ships an update fortnightly, and Opening Bell every 4 days. Most recently, Glider MDP was updated on October 30, 2026 and Opening Bell on October 24, 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.*