iRoast vs Duoza
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iRoast
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iRoast 是一款专为手网烘焙咖啡爱好者设计的iOS应用,通过精确记录和可视化失重率数据,帮助用户实现更加个性化、可重复的烘焙效果。在传统烘焙中,烘焙师常常依赖视觉和听觉来判断烘焙程度,这导致烘焙结果的不一致性。通过失重率这一客观指标,iRoast 让手网烘焙更加精确、可控,帮助咖啡爱好者获得更加个性化的风味体验。
Duoza
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Duoza is a local bookkeeping app designed for couples and families who want to keep track of their finances together. It launches quickly with no network delays, requires no account or sign-in, contains no ads, and does not rely on third-party servers. You can use Duoza as a simple personal bookkeeping app on a single device. Or pair two devices to keep your household ledger in sync. Each device keeps its own copy of the data, providing an additional backup. When you get home, connect both devices to the same Wi-Fi network and open Duoza — your transactions will sync automatically. Duoza currently supports iOS and HarmonyOS 5.0 or later. We will continue improving and updating the app. Feedback and suggestions are always welcome through your app store review. ## Current Features 1. Local manual bookkeeping 2. Local network device pairing and data synchronization 3. Annual and monthly statistics 4. Transaction search 5. Category and quick-note tag management 6. Bookkeeping reminders 7. Shortcuts 8. Transaction export
Screenshots
Verdict
The clearest difference is price: Duoza at Free against iRoast's $0.99. iRoast's advantage is update cadence (every 4 days vs fortnightly). 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
Duoza is free to download; iRoast costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
iRoast ships an update every 4 days, Duoza fortnightly. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.
| Parameter | iRoast | Duoza |
|---|---|---|
| Price | $0.99 | Free — better |
| Update frequency | Every 4 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 4 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | 嘉奇 龙 | 耀 何 |
In-app purchases
iRoast
No in-app purchases
Duoza
No in-app purchases









