Comparison

Alarm One vs Sendby

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

Head to head
About

Alarm One

Manage complex schedules with flexible alarms for rotating shifts, international time zones, and recurring events. Organize alarms into groups and control them with a single tap. Features custom wake-up sounds, widgets, timers, and stopwatch functionality.

Highlights
  • Rotating shift alarms
  • World clock and time zones
  • Alarm grouping
  • Custom wake-up sounds
  • Home and lock screen widgets
  • Timers and stopwatch
  • iCloud sync across devices
Features
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WORLD CLOCK & TIME ZONE ALARMS Keep local time and cities around the world together. Check the time and date in each city, then set an alarm using that city's time. See when it will ring in your local time before saving. Choose a one-time alarm or weekly repeat rules for international meetings, travel, and family abroad. Alarm One is built for changing schedules. Create alarms for rotating shifts, organize them into groups, and enable, disable, or skip an entire routine with one tap. Featured by the App Store. FLEXIBLE SCHEDULES Set alarms for rotating shifts, workdays, weekdays, weekends, monthly dates, or one-time events. Skip the next occurrence without breaking the rest of your schedule. ALARM GROUPS Keep work, family, medication, travel, and weekend alarms organized. Enable, disable, or skip a whole group at once. ONE-TIME ALARMS, ZERO CLUTTER Create a reminder for a flight, appointment, nap, medication, or school pickup. After it rings, Alarm One can remove it automatically. CUSTOM WAKE-UPS Use your own sounds, gradual volume, and snooze to create an alarm that fits you. HOME & LOCK SCREEN WIDGETS See your next alarm, today's schedule, and monthly calendar at a glance. Control alarms directly from a widget. TIMERS & STOPWATCH Run countdowns, interval sessions, and lap timing without switching apps. SYNCED ACROSS YOUR APPLE DEVICES Keep your alarms up to date with iCloud on iPhone, iPad, and Mac. WHY ALARM ONE • Flexible repeat rules for changing routines • Whole-group control in one tap • One-time alarms that clean themselves up • Clear, ad-free interface designed for Apple platforms Whether you work rotating shifts, manage a family's schedule, train with intervals, or need a one-time reminder, Alarm One keeps every routine under control. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://alarmone.echopie.com/privacy

About

Sendby

Easily send photos, videos, files, and text from your phone to a nearby computer. No account or cables needed for quick transfers over a private, encrypted network. Offers free basic photo/video sharing with optional Pro features for files and unlimited transfers.

Highlights
  • Send photos, videos, files, and text
  • Wireless transfer to nearby computers
  • No account or cable required
  • Private, encrypted network connection
  • Optional spacebar sending
  • Local send history
Features
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Send what's on your phone to the computer in front of you. Sendby sends photos, videos, files and text cards you choose to a nearby computer. Open https://sendby.space in a desktop browser or use the Sendby Windows client to receive. The current iOS app sends content; it does not receive files on iPhone. CHOOSE, THEN SEND Prepare your content and tap the intended nearby device to send. No Sendby account or cable is required. OPTIONAL SPACE-BAR SENDING With the computer's receiver page in the foreground, press Space to request a transfer. Approve the first request for that connection on your phone. While the authorization remains valid, a fresh Space request can send newly prepared content. Authorization ends when the phone leaves the active sending screen or the connection is lost. This uses keyboard requests, not phone-motion sensing. Reconnecting alone never starts a transfer. PRIVATE-NETWORK TRANSFERS Content travels over a verified, encrypted private-network connection. Sendby connection servers do not relay file or text bodies. Internet access is still required for device discovery. Both devices should be on the same local network with device-to-device communication allowed. Guest networks, client isolation, VPNs or firewalls may prevent discovery or transfer. There is no automatic fallback to a public file relay. FREE Send up to 10 photos or videos per selection, up to 128 MiB per item and 1024 MiB in total. File and text-card sending require Pro. PRO Send files and text cards, and remove commercial photo/video count and size limits. Device, storage, network and receiver limits still apply. Each text card supports up to 1 MiB of UTF-8 text. Type or paste explicitly. The receiver displays text temporarily and offers a Copy action; it never automatically saves text as a file or overwrites the clipboard. LOCAL HISTORY Review confirmed sends on your device. History is not an original-file backup and does not store text-card bodies. Always confirm files have been saved on the receiving computer. PURCHASES Pro offers monthly and annual auto-renewable subscriptions and a lifetime, one-time non-consumable purchase. Prices, currencies and billing periods are shown before purchase. Subscriptions renew automatically unless canceled at least 24 hours before the current period ends. Renewal is charged within 24 hours before the end of the current period. Manage or cancel subscriptions in your Apple account settings. Lifetime access does not renew and does not automatically cancel an existing subscription. Use Restore Purchases in the app to restore eligible purchases. Support: hello@sendby.space Privacy Policy: https://sendby.space/privacy/en Terms of Use: https://sendby.space/terms/en Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Alarm One4 screens
Sendby4 screens

Verdict

The call

The clearest difference is rating: Sendby at 5.0 against Alarm One's 4.3. Sendby also leads on update cadence (every 5 days vs every 2 weeks) and iOS requirement (17.0 vs 26.0). Alarm One's advantage is ratings volume (16 vs 1). On price, ads, in-app purchases and monetization model 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

Both are free to download. Alarm One sells 3 in-app purchases, starting at $1.99 per month and Sendby sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Sendby holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Alarm One has 16 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Alarm One ships an update every 2 weeks, Sendby every 5 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
Alarm One versus Sendby: the parameters behind the verdict, then further details
ParameterAlarm OneSendby
PriceFreeFree
Rating4.3 (16 ratings)5.0 (1 ratings) — better
Positive reviews80.0% of reviews—
Number of ratings16 — better1
Update frequencyEvery 2 weeksEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.017.0 — better
Further details — not scored
Size82 MB17 MB
Age rating4+4+
DeveloperQingzhe Wu伟 唐

Customer experience

Alarm One

All ratings16 ratings
Positive87.5%
Neutral0.0%
Negative12.5%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

Sendby

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Alarm One

Subscriptions2
  • Premium (Monthly)7 Days trial$1.991 Month
  • Premium (Yearly)1 Month trial$6.991 Year
One-time1
  • Lifetime premium$16.99
3 purchases

Sendby

Subscriptions2
  • Sendby Pro Monthly$0.991 Month
  • Sendby Pro Yearly$6.991 Year
One-time1
  • Sendby Pro Lifetime$14.99

Questions

Is Alarm One free?
Alarm One is free to download, with in-app purchases available.
Is Sendby free?
Sendby is free to download, with in-app purchases available.
Which has better reviews, Alarm One or Sendby?
Sendby is rated higher. Alarm One averages 4.3 out of 5 from 16 ratings, while Sendby averages 5.0 from 1 ratings.
Do Alarm One or Sendby have ads?
Neither Alarm One nor Sendby shows ads.
Which is updated more often, Alarm One or Sendby?
Alarm One ships an update every 2 weeks, and Sendby every 5 days. Most recently, Alarm One was updated on November 5, 2026 and Sendby on October 31, 2026.

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