i vs Hydra Flow Daily
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
i
Securely manage and transfer files across various devices and platforms. Backup contacts and camera roll, play media, and preview documents. Supports a wide range of file formats.
- File management
- Cross-device file exchange
- Contact and camera roll backup
- Media playback
- Document preview
- Wide format support
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The APP is the best way to manage all your files on iOS devices,Exchanges files with different devices & platforms with ease. 1.Backup Contacts and Camera Roll. 2.Play Videos,Musics. 3.Preview Images,World. Supported File Formats: Document:DOC,XLS,PPT,TXT,else; Image:JPG,JPEG,BMP,GIF,else; Audio:MP3,AAC,AIF,else; Video:MP4,MOV,MKV,AVI,FLV,RMVB,ELSE;
Hydra Flow Daily
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Hydra Flow is a calm, distraction-free water tracker. One tap logs a sip, a cup or a bottle. A ring, bottle or body silhouette fills as you drink, and gentle reminders stop the moment you reach your goal. LOG IN ONE TAP • Quick-add buttons for 100 ml, 250 ml and 500 ml (or oz) • 60+ drinks: water, coffee, tea, juice, sports drinks, milk and more, each counted with its real hydration value • Undo any entry with one tap • Today's log shows every drink with its time WIDGETS AND SIRI • Home Screen widget with tap-to-log buttons, no need to open the app • Lock Screen widgets show today's progress next to the clock • "Hey Siri, log water in Hydra Flow" and "Check my hydration in Hydra Flow" A GOAL THAT FITS YOU • Personalised daily goal from your weight, height, age and sex (IOM guidelines) • Weather-aware suggestion: on hot days Hydra Flow proposes a higher goal for today • Adjustable any time from Settings STAY CONSISTENT • Smart reminders every 1–4 hours inside the hours you choose, paused once the goal is reached • Streaks, weekly consistency and monthly goals • Week, month and year history with a clean chart APPLE WATCH • Log water from your wrist and see today's ring • Syncs with iPhone PRIVATE BY DESIGN • No account, no ads, no tracking • Optional Apple Health sync (writes water intake) • Optional iCloud sync between your devices Three appearances (Deep, Spa, Cloud), metric or imperial units, and a week that starts on the day you choose.
Screenshots
Verdict
The clearest difference is price: i at Free against Hydra Flow Daily's $1.99. i also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (9.0 vs 18.6). On ads, in-app purchases and device support 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
i is free to download; Hydra Flow Daily costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
i ships an update every 3 weeks, Hydra Flow Daily every 2 months. The most recent releases landed on October 5, 2026 and October 15, 2026 respectively.
| Parameter | i | Hydra Flow Daily |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 2.5 (4 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 9.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 79 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | 锦才 钟 | Mohamed Shafi |
In-app purchases
i
No in-app purchases
Hydra Flow Daily
No in-app purchases









