# Let's Spell vs Mathify Mental Math

The clearest difference is ads: Let's Spell at none against Mathify Mental Math's shown. Let's Spell also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, in-app purchases and device support there is nothing between them.

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

Let's Spell ships an update every 4 weeks, Mathify Mental Math fortnightly. The most recent releases landed on October 27, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Let's Spell | Mathify Mental Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/mathify-mental-math/id6742114761/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | **Fortnightly** |
| Monetization | — | Ad-supported |
| Size | 1 MB | 42 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Pollard](https://appshunter.io/developer/1195676408) | [Vladyslav Nevinchanyi](https://appshunter.io/developer/1796896776) |

## What reviewers say

### Let's Spell

[App page](https://appshunter.io/ios/app/lets-spell/id6443476437)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mathify Mental Math

[App page](https://appshunter.io/ios/app/mathify-mental-math/id6742114761)

Enhance your mental math abilities with this comprehensive practice app. It offers various operations, customizable workouts, and detailed progress tracking for users of all ages. Train offline and improve your speed and accuracy in arithmetic.

**Highlights:** Comprehensive mental math practice, Offline access, Engaging workouts, Customizable training, Manual answer entry, Detailed statistics, Progress history

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

**In-app purchases:** none


## Frequently asked questions

### Is Let's Spell free?

Let's Spell is free to download, with no in-app purchases.

### Is Mathify Mental Math free?

Mathify Mental Math is free to download, with no in-app purchases.

### Do Let's Spell or Mathify Mental Math have ads?

Mathify Mental Math shows ads; Let's Spell does not.

### Which is updated more often, Let's Spell or Mathify Mental Math?

Let's Spell ships an update every 4 weeks, and Mathify Mental Math fortnightly. Most recently, Let's Spell was updated on October 27, 2026 and Mathify Mental Math on October 23, 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.*