# ASL Speed Spell vs Bubo Books

The clearest difference is ads: Bubo Books at none against ASL Speed Spell's shown. Bubo Books also leads on update cadence (every 6 days vs every 3 weeks) and iOS requirement (13.0 vs 16.4). On price, in-app purchases and device support there is nothing between them.

Both are free to download. ASL Speed Spell sells 3 in-app purchases, starting at $1.99 per month and Bubo Books sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ASL Speed Spell ships an update every 3 weeks, Bubo Books every 6 days. The most recent releases landed on November 12, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ASL Speed Spell | Bubo Books |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (348 ratings)](https://appshunter.io/ios/app/asl-speed-spell/id6458647514/reviews)** | — |
| Number of ratings | **348** | — |
| Positive reviews | 88.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 121 MB | 85 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Amanda O'Neal](https://appshunter.io/developer/1208773744) | [Bubo Books Pty Ltd](https://appshunter.io/developer/1893046677) |

## What reviewers say

### ASL Speed Spell

[App page](https://appshunter.io/ios/app/asl-speed-spell/id6458647514)

Improve American Sign Language fingerspelling with this app. Practice over 500 words with individual videos, adjustable speeds, and categorized word lists. Track your progress and learn letters with multiple perspectives.

**Highlights:** Practice over 500 words with individual videos, Adjustable fingerspelling speed, Categorized word practice (names, animals, countries), Alphabet reference with multiple perspectives, Progress tracking and statistics, Daily practice reminders

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Ad-Free Monthly | $1.99 | per month |
| Premium Ad-Free Yearly | $5.99 | per year |
| Remove Ads | $5.99 | one-time |

**What reviewers like**

- 👍 Improves fingerspelling recognition
- 👍 Great practice tool
- 👍 Simple and easy to use
- 👍 Helps build confidence
- 👍 Good speed options

**What reviewers complain about**

- ⚠️ Too many ads
- ⚠️ App not an ASL learning app
- ⚠️ Gives answer instead of help
- ⚠️ Cannot play in background
- ⚠️ Single recording for each word

**Reported bugs**

- Keyboard hides input field on iPad

**Requested features**

- Add numbers for practicing fictional data
- Reduce ad frequency
- Allow background playback
- Add more words
- Improve iPad keyboard input visibility


### 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 ASL Speed Spell free?

ASL Speed Spell is free to download, with in-app purchases available.

### Is Bubo Books free?

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

### Do ASL Speed Spell or Bubo Books have ads?

ASL Speed Spell shows ads; Bubo Books does not.

### Which is updated more often, ASL Speed Spell or Bubo Books?

ASL Speed Spell ships an update every 3 weeks, and Bubo Books every 6 days. Most recently, ASL Speed Spell was updated on November 12, 2026 and Bubo Books on October 31, 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.*