Comparison

iRoast vs Duoza

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

iRoast

Features
Read full description

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。

About

Duoza

Features
Read full description

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

iRoast4 screens
Duoza4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Duoza is free to download; iRoast costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

iRoast ships an update every 4 days, Duoza fortnightly. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.

Scorecard2 real differences · 4 level
iRoast versus Duoza: the parameters behind the verdict, then further details
ParameteriRoastDuoza
Price$0.99Free — better
Update frequencyEvery 4 days — betterFortnightly
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.0
Further details — not scored
Size4 MB7 MB
Age rating4+4+
Developer嘉奇 龙耀 何

In-app purchases

None

iRoast

No in-app purchases

None

Duoza

No in-app purchases

Questions

Is iRoast free?
iRoast costs $0.99, with no in-app purchases.
Is Duoza free?
Duoza is free to download, with no in-app purchases.
Do iRoast or Duoza have ads?
Neither iRoast nor Duoza shows ads.
Which is updated more often, iRoast or Duoza?
iRoast ships an update every 4 days, and Duoza fortnightly. Most recently, iRoast was updated on October 6, 2026 and Duoza on October 5, 2026.

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