# Once Upon a Tower vs Do the Math X

The clearest difference is in-app purchases: Do the Math X at none against Once Upon a Tower's 24. Do the Math X also leads on review sentiment (100% vs 75%) and rating (5.0 vs 4.7). Once Upon a Tower's advantage is ratings volume (3.3K vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Once Upon a Tower sells 24 one-off in-app purchases. Do the Math X asks for nothing beyond the download.

Do the Math X holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Once Upon a Tower has 3.3K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 75% of Once Upon a Tower's written reviews are positive against 100% of Do the Math X's.

## The numbers

| Metric | Once Upon a Tower | Do the Math X |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3.3K ratings)](https://appshunter.io/ios/app/once-upon-a-tower/id1209083773/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/do-the-math-x/id6747910637/reviews)** |
| Number of ratings | **3.3K** | 1 |
| Positive reviews | 75.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 226 MB | 65 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Pomelo Games](https://appshunter.io/developer/899606172) | [Wabisabi Content](https://appshunter.io/developer/1799311834) |

## What reviewers say

### Once Upon a Tower

[App page](https://appshunter.io/ios/app/once-upon-a-tower/id1209083773)

Break free from your tower prison in this adventure game. Armed with a war hammer, you'll battle enemies and escape a dragon. Your rescue is up to you!

**Highlights:** Tower escape adventure, Battle enemies, Fight a dragon, Princess protagonist, Offline gameplay

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

**In-app purchases (24)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Oscura | $0.99 | one-time |
| Sigrid | $0.99 | one-time |
| Noriko | $0.99 | one-time |
| Lives Pack x10 | $0.99 | one-time |
| Myrina | $0.99 | one-time |
| Loriel | $0.99 | one-time |
| Denise | $0.99 | one-time |
| Ali'i | $0.99 | one-time |
| Lilith | $0.99 | one-time |
| Dragon scales x20 | $0.99 | one-time |
| Lives Pack x25 | $0.99 | one-time |
| Rita | $0.99 | one-time |
| Linda | $0.99 | one-time |
| Muffin | $0.99 | one-time |
| Xochi | $0.99 | one-time |
| Nzinga | $0.99 | one-time |
| Draculina | $0.99 | one-time |
| Lives Pack x25 | $1.99 | one-time |
| Lives Pack x60 | $3.99 | one-time |
| Dragon scales x100 | $3.99 | one-time |
| Lives Pack x200 | $4.99 | one-time |
| Lives Pack x200 | $9.99 | one-time |
| Lives Pack x1,500 | $49.99 | one-time |
| Lives Pack x9,999 | $99.99 | one-time |

**What reviewers like**

- 💕 Addictive gameplay
- 🎨 Beautiful graphics
- 🎮 Simple but engaging mechanics
- 🚀 Great time killer
- 👍 Empowering female characters

**What reviewers complain about**

- 🐛 Crashes and freezes
- 🔍 Unclear instructions/tutorials
- 🔁 Repetitive levels
- 💰 Aggressive monetization with ads
- 🤖 Unresponsive controls

**Reported bugs**

- Game freezes when watching ads
- Progress resets after crashes
- Challenges not tracking properly
- Compatibility issues on older devices

**Requested features**

- More character/princess variety
- Ability to save progress
- Difficulty settings
- Multiplayer mode
- Level editor


### Do the Math X

[App page](https://appshunter.io/ios/app/do-the-math-x/id6747910637)

Sharpen your reflexes and test your mental agility with this fast-paced math game. Solve rapid-fire challenges by choosing the correct answer, operator, or missing number. Compete on a global leaderboard and improve your IQ, focus, and calculation speed.

**Highlights:** Fast-paced infinite gameplay, Improve calculation speed and logic, Dynamic challenges with increasing difficulty, Solve for results, missing numbers, or operators, Global leaderboard for competition

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Once Upon a Tower free?

Once Upon a Tower is free to download, with in-app purchases available.

### Is Do the Math X free?

Do the Math X is free to download, with no in-app purchases.

### Which has better reviews, Once Upon a Tower or Do the Math X?

Do the Math X is rated higher. Once Upon a Tower averages 4.7 out of 5 from 3.3K ratings, while Do the Math X averages 5.0 from 1 ratings.

### Do Once Upon a Tower or Do the Math X have ads?

Both Once Upon a Tower and Do the Math X show ads.

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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.*