# masterfile vs Islet

masterfile and Islet are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. masterfile sells 1 one-off in-app purchase and Islet sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

masterfile ships an update weekly, Islet every 3 days. The most recent releases landed on September 10, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | masterfile | Islet |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Size | 10 MB | 3 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Louis Cada](https://appshunter.io/developer/1896766797) | [HyunWoo Lee](https://appshunter.io/developer/6791167449) |

## 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 |


### Islet

[App page](https://appshunter.io/ios/app/islet-todo-list/id6792624887)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Islet Pro | $2.99 | one-time |


## Frequently asked questions

### Is masterfile free?

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

### Is Islet free?

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

### Do masterfile or Islet have ads?

Neither masterfile nor Islet shows ads.

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

masterfile ships an update weekly, and Islet every 3 days. Most recently, masterfile was updated on September 10, 2026 and Islet on September 11, 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.*