# Starfall Numbers vs Goldbach's Conjecture

The clearest difference is price: Goldbach's Conjecture at $0.99 against Starfall Numbers's $4.99. Starfall Numbers's advantage is chart position (#192 vs unranked). On update cadence, ads, in-app purchases and device support there is nothing between them.

Starfall Numbers costs $4.99 and Goldbach's Conjecture $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Starfall Numbers ships an update every 11 months, Goldbach's Conjecture every 8 months. The most recent releases landed on October 17, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Starfall Numbers | Goldbach's Conjecture |
| --- | --- | --- |
| Price | $4.99 | **$0.99** |
| Rating | **[3.2 (35 ratings)](https://appshunter.io/ios/app/starfall-numbers/id736244016/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 8 months** |
| Monetization | Paid | — |
| Best chart rank | **#192** | — |
| Size | 78 MB | 34 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Starfall Education Foundation](https://appshunter.io/developer/1771099820) | [Ventura Educational Systems](https://appshunter.io/developer/371324172) |

## What reviewers say

### Starfall Numbers

[App page](https://appshunter.io/ios/app/starfall-numbers/id736244016)

**Currently charting:** #192 Top Paid · Education (US App Store)

This app uses interactive activities and songs to help children learn number recognition and counting skills. It connects numbers to real-world objects and introduces basic math concepts for early learners.

**Highlights:** Number symbol and value recognition, Counting activities, Interactive introductions for numbers 0-100, Coin counting and math expressions, 15 animated math songs, Closed captioning for songs

**Features:** macOS Compatibility

**In-app purchases:** none


### Goldbach's Conjecture

[App page](https://appshunter.io/ios/app/goldbachs-conjecture/id1385243580)

**In-app purchases:** none


## Frequently asked questions

### Is Starfall Numbers free?

Starfall Numbers costs $4.99, with no in-app purchases.

### Is Goldbach's Conjecture free?

Goldbach's Conjecture costs $0.99, with no in-app purchases.

### Do Starfall Numbers or Goldbach's Conjecture have ads?

Neither Starfall Numbers nor Goldbach's Conjecture shows ads.

### Which is updated more often, Starfall Numbers or Goldbach's Conjecture?

Starfall Numbers ships an update every 11 months, and Goldbach's Conjecture every 8 months. Most recently, Starfall Numbers was updated on October 17, 2026 and Goldbach's Conjecture on October 3, 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.*