# Numfred vs PolyDigits

The clearest difference is update cadence: PolyDigits at every 5 days against Numfred's monthly. Numfred's advantage is iOS requirement (18.0 vs 26). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Numfred sells 1 one-off in-app purchase and PolyDigits sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Numfred ships an update monthly, PolyDigits every 5 days. The most recent releases landed on July 6, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Numfred | PolyDigits |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/numfred-learn-numbers/id6742475601/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 4 MB |
| Requires iOS | **18.0** | 26 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Frank Benkelmann](https://appshunter.io/developer/1175928109) | [Daniel Kwetschas](https://appshunter.io/developer/1823422072) |

## What reviewers say

### Numfred

[App page](https://appshunter.io/ios/app/numfred-learn-numbers/id6742475601)

This app helps users improve their ability to recognize spoken numbers in 13 languages. It offers two learning modes: listening and typing, or typing and listening, with options for offline learning and adjustable difficulty.

**Highlights:** Recognize spoken numbers, Practice numbers in 13 languages, Listen & Type learning mode, Type & Listen learning mode (Premium), Offline learning, Adjustable voice speed (Premium)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $9.99 | one-time |


### PolyDigits

[App page](https://appshunter.io/ios/app/polydigits/id6747923329)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee Subscription | $1.99 | per month |
| Small Coffee | $2.99 | one-time |
| Medium Coffee | $3.99 | one-time |
| Large Coffee | $5.99 | one-time |


## Frequently asked questions

### Is Numfred free?

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

### Is PolyDigits free?

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

### Do Numfred or PolyDigits have ads?

Neither Numfred nor PolyDigits shows ads.

### Which is updated more often, Numfred or PolyDigits?

Numfred ships an update monthly, and PolyDigits every 5 days. Most recently, Numfred was updated on July 6, 2026 and PolyDigits on September 19, 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.*