# DDSL vs BackPin

The clearest difference is in-app purchases: DDSL at none against BackPin's 4. BackPin's advantage is update cadence (every 6 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. BackPin sells 4 in-app purchases, starting at $2.99 per month. DDSL asks for nothing beyond the download.

DDSL ships an update fortnightly, BackPin every 6 days. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | DDSL | BackPin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 6 days** |
| Size | 23 MB | 76 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Sportlomo Limited](https://appshunter.io/developer/557691052) | [James Cosgrave](https://appshunter.io/developer/1865213313) |

## What reviewers say

### DDSL

[App page](https://appshunter.io/ios/app/ddsl/id6450674631)

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

**In-app purchases:** none


### BackPin

[App page](https://appshunter.io/ios/app/backpin/id6757196240)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| Society Max Monthly | $9.99 | per month |
| Pro Yearly | $24.99 | per year |
| Society Max Yearly | $99.99 | per year |


## Frequently asked questions

### Is DDSL free?

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

### Is BackPin free?

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

### Do DDSL or BackPin have ads?

Neither DDSL nor BackPin shows ads.

### Which is updated more often, DDSL or BackPin?

DDSL ships an update fortnightly, and BackPin every 6 days. Most recently, DDSL was updated on October 2, 2026 and BackPin on September 30, 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.*