# Mongol Draft vs Summe Calculator

The clearest difference is in-app purchases: Mongol Draft at none against Summe Calculator's 1. Mongol Draft also leads on update cadence (every 5 days vs fortnightly) and iOS requirement (13.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Summe Calculator sells 1 one-off in-app purchase. Mongol Draft asks for nothing beyond the download.

Mongol Draft ships an update every 5 days, Summe Calculator fortnightly. The most recent releases landed on October 16, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Mongol Draft | Summe Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Size | 61 MB | 10 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [琴布和 斯](https://appshunter.io/developer/1556618866) | [ESLIP OU](https://appshunter.io/developer/6798785350) |

## What reviewers say

### Mongol Draft

[App page](https://appshunter.io/ios/app/mongol-draft/id6756122733)

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

**In-app purchases:** none


### Summe Calculator

[App page](https://appshunter.io/ios/app/summe-calculator/id6798785168)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Summe+ | $5.99 | one-time |


## Frequently asked questions

### Is Mongol Draft free?

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

### Is Summe Calculator free?

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

### Do Mongol Draft or Summe Calculator have ads?

Neither Mongol Draft nor Summe Calculator shows ads.

### Which is updated more often, Mongol Draft or Summe Calculator?

Mongol Draft ships an update every 5 days, and Summe Calculator fortnightly. Most recently, Mongol Draft was updated on October 16, 2026 and Summe Calculator on October 13, 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.*