# Goldbach's Conjecture vs AllBaseConvert

The clearest difference is price: AllBaseConvert at Free against Goldbach's Conjecture's $0.99. Goldbach's Conjecture's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence, device support and iOS requirement there is nothing between them.

AllBaseConvert is free to download; Goldbach's Conjecture costs $0.99 up front. AllBaseConvert sells 1 one-off in-app purchase. Goldbach's Conjecture asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 8 months. The most recent releases landed on September 16, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Goldbach's Conjecture | AllBaseConvert |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | Every 8 months |
| Size | 34 MB | 140 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPad, Mac | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [Amrit Duwal](https://appshunter.io/developer/1507795021) |

## What reviewers say

### Goldbach's Conjecture

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

**In-app purchases:** none


### AllBaseConvert

[App page](https://appshunter.io/ios/app/allbaseconvert/id1605489435)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $0.99 | one-time |


## Frequently asked questions

### Is Goldbach's Conjecture free?

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

### Is AllBaseConvert free?

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

### Do Goldbach's Conjecture or AllBaseConvert have ads?

AllBaseConvert shows ads; Goldbach's Conjecture does not.

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

Goldbach's Conjecture ships an update every 8 months, and AllBaseConvert every 8 months. Most recently, Goldbach's Conjecture was updated on September 16, 2026 and AllBaseConvert on September 10, 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.*