# SPIE IR vs Cambiang

The clearest difference is ads: SPIE IR at none against Cambiang's shown. SPIE IR also leads on iOS requirement (9.0 vs 15.5). Cambiang's advantage is update cadence (every 6 weeks vs every 52 months). On price, 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.

SPIE IR ships an update every 52 months, Cambiang every 6 weeks. The most recent releases landed on September 8, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | SPIE IR | Cambiang |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/cambiang/id1472229549/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 52 months | **Every 6 weeks** |
| Monetization | — | Ad-supported |
| Size | 2 MB | 79 MB |
| Requires iOS | **9.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [SYMEX ECONOMICS](https://appshunter.io/developer/542914104) | [Jorge Antonio](https://appshunter.io/developer/1472229548) |

## What reviewers say

### SPIE IR

[App page](https://appshunter.io/ios/app/spie-ir/id1090828818)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cambiang

[App page](https://appshunter.io/ios/app/cambiang/id1472229549)

This platform tracks currency exchange rates in Angola, allowing users to view real-time rates, historical data, and set custom alerts. It also facilitates currency conversion and personal finance management across different currencies.

**Highlights:** Real-time exchange rate tracking, Historical market data, Customizable rate alerts, Currency conversion, Personal finance management, Cloud sync with Cambiang Pro

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SPIE IR free?

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

### Is Cambiang free?

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

### Do SPIE IR or Cambiang have ads?

Cambiang shows ads; SPIE IR does not.

### Which is updated more often, SPIE IR or Cambiang?

SPIE IR ships an update every 52 months, and Cambiang every 6 weeks. Most recently, SPIE IR was updated on September 8, 2026 and Cambiang on June 10, 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.*