# U vs Compass SG

The clearest difference is ads: Compass SG at none against U's shown. U's advantage is iOS requirement (13.0 vs 16.1). On price, update cadence, in-app purchases and device support there is nothing between them.

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

U ships an update monthly, Compass SG every 6 weeks. The most recent releases landed on July 13, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | U | Compass SG |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Ad-supported | — |
| Size | 77 MB | 50 MB |
| Requires iOS | **13.0** | 16.1 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Novena Square Investments Ltd](https://appshunter.io/developer/649926386) | [HABITAP PTE. LTD](https://appshunter.io/developer/1131905342) |

## What reviewers say

### U

[App page](https://appshunter.io/ios/app/u-popp/id1450603442)

Scan and upload retail receipts to earn points and redeem rewards like vouchers, exclusive deals, and event invites. Register for free to optimize your shopping experience and unlock member-exclusive benefits.

**Highlights:** Scan and upload retail receipts, Accumulate POPPoints, Redeem rewards from catalogue, Access exclusive deals, Get invites to member events

**Features:** Apple Wallet

**In-app purchases:** none


### Compass SG

[App page](https://appshunter.io/ios/app/compass-sg/id6443734346)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is U free?

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

### Is Compass SG free?

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

### Do U or Compass SG have ads?

U shows ads; Compass SG does not.

### Which is updated more often, U or Compass SG?

U ships an update monthly, and Compass SG every 6 weeks. Most recently, U was updated on July 13, 2026 and Compass SG on September 12, 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.*