UK Postbox vs Grain SA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Dashboard overview
- Manage inbox items
- Send letters online
- Account settings
- Virtual address management
- Mail forwarding
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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.
Grain SA
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Mobile survey data capturing for authorized users of the Grain SA platform. The app makes capturing pig farm data more efficient and works online and offline. Features include: • Open and submit surveys in your account • View your completed survey history • Mobile data registration for grain producing business entities • Authorized veterinarians gain access the Passive Disease Surveillance surveys. • Authorized business development managers gain access to Farm Visit- and Mentorship surveys The Grain SA is an integrated platform that offers stakeholders in the South African grain value chain a protected environment to share information and facilitate interactions that create value and drive competitiveness, sustainability and food safety in the grain industry. Our app is free to download and use by authorized users. Authorization is granted by the Grain SA administration. Administration can be contacted at members@grainsa.co.za. Don't forget to synchronize unsynced actions before updating the app.
Screenshots
Verdict
The clearest difference is iOS requirement: Grain SA at 10.2 against UK Postbox's 15.1. On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on August 5, 2026 and September 8, 2026 respectively.
| Parameter | UK Postbox | Grain SA |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (3 ratings) — better | — |
| Positive reviews | 63.6% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 10.2 — better |
| Further details — not scored | ||
| Size | 34 MB | 98 MB |
| Age rating | 4+ | 4+ |
| Developer | iPostalMail™ | 4SIGHT SYSTEMS (PTY) LTD |
In-app purchases
UK Postbox
No in-app purchases
Grain SA
No in-app purchases








