Comparison

UK Postbox vs SimAlive

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

Head to head
About

UK Postbox

Manage your virtual mailbox and physical address from anywhere. View incoming mail, process items like scanning or forwarding, and send letters online. Requires a UK Postbox account.

Highlights
  • Dashboard overview
  • Manage inbox items
  • Send letters online
  • Account settings
  • Virtual address management
  • Mail forwarding
Features
Read full description

The power of the UK Postbox platform on your phone. Access your account using the app to manage your post and virtual address using features such as: Dashboard Overview - a snapshot of your account information: Client ID Monthly scan limits Page & parcel scan limits Balance Transaction History Manage Your Inbox - control post on a case-by-case basis: Return to sender Delete the item Open & scan contents Scan pages Forward to another location Store physically or digitally Recycle or shred mail Contact - speak to the relevant people you need: Customer services Mailroom scanning Mailroom forwarding Technical support Parcel management Verification team Banking Compliance N13 London Office Send Letters Online - sending letters on your behalf Upload a PDF of your letter Provide delivery information Add any notes We’ll post it for you within the UK Account Settings - manage your UK Postbox account Update personal data Renewal dates Virtual address information Default action when receiving mail Notifications Please note: A UK Postbox account is required to use this app to its full functionality. Visit www.ukpostbox.com for more information on signing up.

About

SimAlive

Features
Read full description

SimAlive helps you keep every SIM and eSIM alive. Track renewal dates, get reminded before your cards expire, and watch the countries you use light up on an interactive globe. Whether you travel often, juggle several prepaid numbers, or just don't want to lose a number to a missed top-up, SimAlive keeps it all in one beautiful place. FEATURES - Track SIM and eSIM cards with renewal cycles in days, months, or years - Smart reminders 7 days before, 1 day before, and on the expiry date - Automatic next-renewal date calculation - Support for 300+ carriers worldwide with automatic carrier detection - Beautiful branded SIM card designs for each carrier (Pro) - Copy phone numbers with a single tap - Interactive 3D globe and flat world map that light up the countries you use - Custom renewal methods: SMS, auto top-up, carrier store, bank, call, or your own - Light and dark themes - Multi-language support: English, Chinese, Japanese, Korean, Spanish, French, German, and 14 more languages - Private by design — your data stays on your device SIMALIVE PRO Unlock everything with a one-time purchase — no subscription: - Unlimited SIM cards - Branded carrier card designs (300+) - One-tap phone number copy - Custom reminders - Export & backup with one-tap restore - Multi-device sync via iCloud Questions or feedback? Visit https://app.simalive.net/

Screenshots

UK Postbox4 screens
SimAlive4 screens

Verdict

The call

The clearest difference is in-app purchases: UK Postbox at none against SimAlive's 1. SimAlive's advantage is update cadence (weekly vs monthly). On price, ads, 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

Both are free to download. SimAlive sells 1 one-off in-app purchase. UK Postbox asks for nothing beyond the download.

UpkeepUpdate frequency

UK Postbox ships an update monthly, SimAlive weekly. The most recent releases landed on October 3, 2026 and September 17, 2026 respectively.

Scorecard2 real differences · 8 level
UK Postbox versus SimAlive: the parameters behind the verdict, then further details
ParameterUK PostboxSimAlive
PriceFreeFree
Rating2.3 (3 ratings) — better—
Positive reviews63.6% of reviews—
Number of ratings3 — better—
Update frequencyMonthlyWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size34 MB8 MB
Age rating4+4+
DeveloperiPostalMail™XUYANG WANG

In-app purchases

None

UK Postbox

No in-app purchases

1 purchases

SimAlive

One-time1
  • SimAlive Pro$9.99

Questions

Is UK Postbox free?
UK Postbox is free to download, with no in-app purchases.
Is SimAlive free?
SimAlive is free to download, with in-app purchases available.
Do UK Postbox or SimAlive have ads?
Neither UK Postbox nor SimAlive shows ads.
Which is updated more often, UK Postbox or SimAlive?
UK Postbox ships an update monthly, and SimAlive weekly. Most recently, UK Postbox was updated on October 3, 2026 and SimAlive on September 17, 2026.

Other comparisons