# OnFire Learning vs Bubo Books

The clearest difference is in-app purchases: OnFire Learning at none against Bubo Books's 2. Bubo Books's advantage is update cadence (every 6 days vs fortnightly) and iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Bubo Books sells 2 one-off in-app purchases. OnFire Learning asks for nothing beyond the download.

OnFire Learning ships an update fortnightly, Bubo Books every 6 days. The most recent releases landed on October 7, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | OnFire Learning | Bubo Books |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/onfire-learning/id6740921345/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 6 days** |
| Monetization | Free | — |
| Size | 36 MB | 85 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Synapse Education Solutions LLC](https://appshunter.io/developer/1792242015) | [Bubo Books Pty Ltd](https://appshunter.io/developer/1893046677) |

## What reviewers say

### OnFire Learning

[App page](https://appshunter.io/ios/app/onfire-learning/id6740921345)

Access course materials, take quizzes, and submit assignments on your mobile device. Track your progress, view grades, and communicate with others. Designed for seamless learning on the go.

**Highlights:** Take quizzes with result summaries, View and submit assignments, Browse lessons with progress tracking, See learning objectives, Track course grades and scores, Switch between multiple user roles, Faster and more reliable messaging

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

**In-app purchases:** none


### Bubo Books

[App page](https://appshunter.io/ios/app/bubo-books/id6762129657)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $45.00 | one-time |
| Lifetime Premium | $59.00 | one-time |


## Frequently asked questions

### Is OnFire Learning free?

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

### Is Bubo Books free?

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

### Do OnFire Learning or Bubo Books have ads?

Neither OnFire Learning nor Bubo Books shows ads.

### Which is updated more often, OnFire Learning or Bubo Books?

OnFire Learning ships an update fortnightly, and Bubo Books every 6 days. Most recently, OnFire Learning was updated on October 7, 2026 and Bubo Books on September 29, 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.*