# masterfile vs dapter

The clearest difference is iOS requirement: dapter at 16.4 against masterfile's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. masterfile sells 1 one-off in-app purchase and dapter sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

masterfile ships an update weekly, dapter every 2 weeks. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | masterfile | dapter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 10 MB | 65 MB |
| Requires iOS | 18.6 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Louis Cada](https://appshunter.io/developer/1896766797) | [Anuar Shaidenov](https://appshunter.io/developer/6786665450) |

## What reviewers say

### masterfile

[App page](https://appshunter.io/ios/app/masterfile/id6770906172)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| masterfile unlock | $2.99 | one-time |


### dapter

[App page](https://appshunter.io/ios/app/dapter-notes-that-do-math/id6786665448)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dapter Plus Monthly | $3.99 | per month |
| Dapter Plus Yearly | $19.99 | per year |
| Dapter Plus Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is masterfile free?

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

### Is dapter free?

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

### Do masterfile or dapter have ads?

Neither masterfile nor dapter shows ads.

### Which is updated more often, masterfile or dapter?

masterfile ships an update weekly, and dapter every 2 weeks. Most recently, masterfile was updated on October 13, 2026 and dapter on October 15, 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.*