# DeltaPad vs DevChain

The clearest difference is in-app purchases: DevChain at none against DeltaPad's 1. DevChain also leads on update cadence (fortnightly vs monthly) and iOS requirement (15.1 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. DeltaPad sells 1 one-off in-app purchase. DevChain asks for nothing beyond the download.

DeltaPad ships an update monthly, DevChain fortnightly. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | DeltaPad | DevChain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Size | 8 MB | 31 MB |
| Requires iOS | 26.2 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Olof Petterson](https://appshunter.io/developer/1808256024) | [TwiTech Lab LLC](https://appshunter.io/developer/6778791586) |

## What reviewers say

### DeltaPad

[App page](https://appshunter.io/ios/app/deltapad-dev-tools/id6759147374)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DeltaPad PRO | $4.99 | one-time |


### DevChain

[App page](https://appshunter.io/ios/app/devchain/id6778791584)

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

**In-app purchases:** none


## Frequently asked questions

### Is DeltaPad free?

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

### Is DevChain free?

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

### Do DeltaPad or DevChain have ads?

Neither DeltaPad nor DevChain shows ads.

### Which is updated more often, DeltaPad or DevChain?

DeltaPad ships an update monthly, and DevChain fortnightly. Most recently, DeltaPad was updated on October 28, 2026 and DevChain on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*