# OPBMS vs IELTS Preparation

OPBMS and IELTS Preparation are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OPBMS ships an update every 4 months, IELTS Preparation every 6 months. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | OPBMS | IELTS Preparation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/opbms/id1475282009/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Free | — |
| Size | 11 MB | 91 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gaurav Rana](https://appshunter.io/developer/1325473039) | [COGNUS TECHNOLOGY](https://appshunter.io/developer/1710342176) |

## What reviewers say

### OPBMS

[App page](https://appshunter.io/ios/app/opbms/id1475282009)

This app connects parents, teachers, and schools on a single platform. It facilitates paperless communication, homework assignments, and online fee payments, helping parents manage their child's education and stay updated on school activities.

**Highlights:** Paperless communication, Direct homework assignment, Online fee payments, School event updates, Academic information access, Child's education management

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

**In-app purchases:** none


### IELTS Preparation

[App page](https://appshunter.io/ios/app/ielts-preparation-gradding/id6742734138)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OPBMS free?

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

### Is IELTS Preparation free?

IELTS Preparation is free to download, with no in-app purchases.

### Do OPBMS or IELTS Preparation have ads?

Neither OPBMS nor IELTS Preparation shows ads.

### Which is updated more often, OPBMS or IELTS Preparation?

OPBMS ships an update every 4 months, and IELTS Preparation every 6 months. Most recently, OPBMS was updated on October 24, 2026 and IELTS Preparation on October 11, 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.*