# iSafe Folder vs Stringline

The clearest difference is update cadence: Stringline at every 2 weeks against iSafe Folder's every 6 months. iSafe Folder's advantage is iOS requirement (11.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

iSafe Folder ships an update every 6 months, Stringline every 2 weeks. The most recent releases landed on September 17, 2026 and June 27, 2026 respectively.

## The numbers

| Metric | iSafe Folder | Stringline |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (2 ratings)](https://appshunter.io/ios/app/isafe-folder/id1441324875/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 27 MB | 21 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Laurent Bottigliengo](https://appshunter.io/developer/1233984041) | [Hector Sahagun](https://appshunter.io/developer/578020588) |

## What reviewers say

### iSafe Folder

[App page](https://appshunter.io/ios/app/isafe-folder/id1441324875)

Securely store and organize your private files, including photos, videos, and documents. Customize your lock screen with gestures and import files from various cloud services and devices. Manage your data with renaming, archiving, and sorting options.

**Highlights:** Customizable gesture lock screen, Import from cloud services, Organize and manage files, Support for various file types, Dark and Light mode options, Drag and Drop support on iPad

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Usage | $3.99 | one-time |


### Stringline

[App page](https://appshunter.io/ios/app/stringline-construction-calc/id6760807845)

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is iSafe Folder free?

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

### Is Stringline free?

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

### Do iSafe Folder or Stringline have ads?

Neither iSafe Folder nor Stringline shows ads.

### Which is updated more often, iSafe Folder or Stringline?

iSafe Folder ships an update every 6 months, and Stringline every 2 weeks. Most recently, iSafe Folder was updated on September 17, 2026 and Stringline on June 27, 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.*