# Mental Math Trainer vs ElioBubble

The clearest difference is in-app purchases: ElioBubble at none against Mental Math Trainer's 1. ElioBubble also leads on update cadence (weekly vs every 3 weeks) and iOS requirement (13.0 vs 15.0). Mental Math Trainer's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Mental Math Trainer sells 1 in-app purchase, starting at $4.99 per year. ElioBubble asks for nothing beyond the download.

Mental Math Trainer ships an update every 3 weeks, ElioBubble weekly. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Mental Math Trainer | ElioBubble |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (65 ratings)](https://appshunter.io/ios/app/eliobubble/id6777869470/reviews)** |
| Number of ratings | — | **65** |
| Positive reviews | — | 72.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | — | Ad-supported |
| Size | 30 MB | 205 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nadzeya Yashchuk](https://appshunter.io/developer/1835856077) | [娅绚 贾](https://appshunter.io/developer/1896335816) |

## What reviewers say

### Mental Math Trainer

[App page](https://appshunter.io/ios/app/mental-math-trainer-sprint/id6763547636)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Stats. All Year. | $4.99 | per year |


### ElioBubble

[App page](https://appshunter.io/ios/app/eliobubble/id6777869470)

A cheerful bubble-shooting puzzle game set in a carnival world. Aim, match, and launch colorful bubbles to create explosive chain reactions and clear levels. Unlock power-ups and boosters across hundreds of unique challenges.

**Highlights:** Carnival-themed world, Match-three bubble popping, Explosive chain reactions, Unlockable power-ups and boosters, Hundreds of unique levels, Intuitive tap-and-shoot controls

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

**In-app purchases:** none


## Frequently asked questions

### Is Mental Math Trainer free?

Mental Math Trainer is free to download, with in-app purchases available.

### Is ElioBubble free?

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

### Do Mental Math Trainer or ElioBubble have ads?

ElioBubble shows ads; Mental Math Trainer does not.

### Which is updated more often, Mental Math Trainer or ElioBubble?

Mental Math Trainer ships an update every 3 weeks, and ElioBubble weekly. Most recently, Mental Math Trainer was updated on October 7, 2026 and ElioBubble on October 16, 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.*