# Shackleton Engage vs Modulr

The clearest difference is review sentiment: Shackleton Engage at 100% against Modulr's 0%. Modulr's advantage is device support (3 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Shackleton Engage ships an update every 3 weeks, Modulr monthly. The most recent releases landed on September 29, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Shackleton Engage | Modulr |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | Free |
| Size | 50 MB | 25 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PK Financial Planning LLP](https://appshunter.io/developer/1798255176) | [Modulr Finance](https://appshunter.io/developer/1677181323) |

## What reviewers say

### Shackleton Engage

[App page](https://appshunter.io/ios/app/shackleton-engage/id1501327048)

This app helps employees understand and manage their employer-provided benefits. It offers tools for total reward statements, pension forecasting, and managing contributions. Access financial articles and savings products through your employer's subscription.

**Highlights:** Total Reward Statements, Pension forecasting and calculator, Benefit management, Financial articles and factsheets, Online savings products access

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

**In-app purchases:** none


### Modulr

[App page](https://appshunter.io/ios/app/modulr/id6446291360)

Streamline your payment approval process from anywhere. This companion app allows you to approve single, multiple, or batch payments directly from your mobile device, fitting approvals around your schedule. You can also view account balances in real-time.

**Highlights:** Approve single payments, Approve batch payments, View account balances, Approve on the move, Streamlined approvals process

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

**In-app purchases:** none


## Frequently asked questions

### Is Shackleton Engage free?

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

### Is Modulr free?

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

### Do Shackleton Engage or Modulr have ads?

Neither Shackleton Engage nor Modulr shows ads.

### Which is updated more often, Shackleton Engage or Modulr?

Shackleton Engage ships an update every 3 weeks, and Modulr monthly. Most recently, Shackleton Engage was updated on September 29, 2026 and Modulr on September 23, 2026.

---

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