Global Currency vs ObservMemo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Global Currency
This utility app provides live exchange rates for over 150 currencies, covering 95% of global currency types. It offers constantly updated rates and supports offline mode for convenient conversions.
- Live exchange rates for 150+ currencies
- Covers 95% of world currency types
- Constantly updated rates
- Offline mode support
- Ad-free experience
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Use our currency converter to get live exchange rates for over 150 currencies, covering 95% of the world's currency types Convert major global currencies now. Features: * Constantly updated real exchange rates * Support offline mode * no ads Terms of use: https://bubuyanyu.github.io/GlobalCurrency/protocol/terms-of-service.html Privacy policy: http://bubuyanyu.github.io/GlobalCurrency/protocol/privacy-policy.html
ObservMemo
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Let's see if you have a sharp eye for observation; Can you glance at something and remember the little details in life? 试试看你有没有敏锐的观察力； 你是否可以扫一眼就记住生活中的一些细节？
Screenshots
Verdict
The clearest difference is price: Global Currency at Free against ObservMemo's $1.99. ObservMemo's advantage is update cadence (every 3 weeks vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Global Currency is free to download; ObservMemo costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Global Currency ships an update every 3 months, ObservMemo every 3 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.
| Parameter | Global Currency | ObservMemo |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.5 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 15 MB | 178 MB |
| Age rating | 4+ | 4+ |
| Developer | Hangzhou Banyeshan Technology Co., Ltd. | Liu ZhiRong |
In-app purchases
Global Currency
No in-app purchases
ObservMemo
No in-app purchases
