# DFI vs LiveMath

The clearest difference is in-app purchases: DFI at none against LiveMath's 1. LiveMath's advantage is update cadence (every 9 days vs every 8 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. LiveMath sells 1 in-app purchase, starting at $149.00 per year. DFI asks for nothing beyond the download.

DFI ships an update every 8 months, LiveMath every 9 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | DFI | LiveMath |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 9 days** |
| Size | 62 MB | 237 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 9+ |
| Developer | [Deep Foundations Institute, Inc.](https://appshunter.io/developer/1385246120) | [MathMonkeys, LLC](https://appshunter.io/developer/6782859543) |

## What reviewers say

### DFI

[App page](https://appshunter.io/ios/app/dfi-finding-common-ground/id1568544738)

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

**In-app purchases:** none


### LiveMath

[App page](https://appshunter.io/ios/app/livemath/id6782859541)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly | $149.00 | per year |


## Frequently asked questions

### Is DFI free?

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

### Is LiveMath free?

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

### Do DFI or LiveMath have ads?

Neither DFI nor LiveMath shows ads.

### Which is updated more often, DFI or LiveMath?

DFI ships an update every 8 months, and LiveMath every 9 days. Most recently, DFI was updated on October 24, 2026 and LiveMath on October 25, 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.*