Bulk SMS app that sends from your own phone.

Send the same text to a whole list of numbers, one at a time, straight from your own SIM. No gateway, no per-message fee, no monthly plan — the messages come from your number because they're sent by your phone. Android app, one-time payment.

9 licence keys left
OwnDesk Blast sending a batch of text messages from an Android phone
Sends via your own SIM No per-message fee One-time payment Instant download

See it work

60 seconds: paste a list, hit send, watch it go out.

The real app, sending a real batch of texts — no voiceover, no edited demo.

📱

Your number, not a shortcode

Texts arrive from the number your customers already have saved. Replies land straight back on your phone.

💵

No gateway, no per-message fee

Whatever your own mobile plan charges for a text — nothing extra to me or to any SMS platform.

💳

One-time payment

$59 once. No monthly plan, no per-seat charge, no credits to top up.

✅

Real delivery confirmation

Per-message delivery confirmation from the network — not a hopeful "sent".

What it does

A mass texting app that stays out of the way.

Paste a list or pull from Contacts • one message, sent one by one • an adjustable delay so your carrier never flags it • saved lists and templates • nothing in between you and your own SIM.

Paste a list, or pull from Contacts

Numbers separated by commas, semicolons or line breaks, or picked straight out of your phone book. Write the message once, then watch it go out one by one with real per-message delivery confirmation from the network.

A delay you control

An adjustable pause between messages, 800 ms by default. It exists because carriers flag rapid-fire sending — it's the difference between a delivered list and a temporarily blocked SIM.

Saved lists and message templates

Keep the lists you text often and the messages you send again — the pickup notice, the appointment reminder, the seasonal offer. Pick one of each and send.

Nothing in between

No SMS gateway account, no API credits, no per-message charge to anyone but your own carrier. The app is on your phone and the messages leave from it.

Why switch

You're not really choosing between two SMS apps.

You're choosing between paying once for a tool that uses the plan you already have, and paying a gateway every month for every message you send.

 OwnDesk BlastBulk SMS gateways / subscriptions
Price Original price was: $ 59.00.Current price is: $ 29.00. once Monthly plan, often $20–$100+/mo depending on volume
Per-message cost Your own carrier's normal SMS rate Per-message credit on top of the plan
Sends from Your own number, via your SIM A shortcode or a rented number
Third-party gateway account None — nothing in between Required
Setup Install the APK, enter your key Account, billing, number provisioning

Gateway pricing varies by provider and volume — check current listed prices for the platform you're comparing against. OwnDesk Blast is Android-only (SEND_SMS is not available to iOS apps), sends through your own carrier so its per-hour volume is limited by design (roughly 100/hr), and needs the internet once to check its licence key. If you need tens of thousands of messages a day or an iPhone version, a gateway is the right tool and this isn't.

From payment to sending

Three steps, a couple of minutes.

1

Pay with card

Checkout runs on Stripe. Your card details never touch this site.

2

Get your licence key

Issued the moment payment clears, on screen and by email — one key, for one phone.

3

Install and activate

Install the APK, allow the unknown-source install Android asks for, enter your key, and send.

14-day money-back guarantee Plus support from Adrián, usually the same working day

If OwnDesk Blast isn't right for you, email me and you get a refund — no questions. If something's confusing, you're writing to the person who built it, not a queue. English and Spanish, both spoken here.

14-day refund Reply usually same working day Also sold on Etsy since 2026

Questions

Before you buy.

Why is it not on Google Play?
Because it can't be. Sending an SMS needs the SEND_SMS permission, and Google Play restricts that to apps set as the phone's default messaging app — a rule they introduced precisely because bulk-texting apps get abused for spam. A tool like this can't be published there whoever writes it. So it's distributed as an APK you install yourself, and your phone will ask you to allow installing from an unknown source. That warning is Android doing its job; you're choosing to trust a file, so only ever take it from this site.
How do I install it?
Download the APK on your Android phone, or copy it across from a computer, and open it. Android will say the file came from an unknown source and offer a settings switch — allow it for your browser or file manager, then open the APK again. The first time you send, the app asks for SMS permission. Nothing else is needed.
Does it work on an iPhone?
No, and it never will. iOS doesn't let any app send an SMS on your behalf, at any price, so there's no iPhone version of this or of anything like it. Android 6.0 or newer only.
Does it need an internet connection?
This is the one OwnDesk product that does, and only once: it checks your licence key online the first time you use it. After that, sending itself is pure SMS through your carrier and needs no data at all.
What does it cost to send the messages?
Whatever your own mobile plan charges for a text, exactly as if you'd typed it yourself — nothing extra goes to me or to any gateway. If you have unlimited texts, the messages are free. That's the whole reason this exists instead of a monthly platform.
How many can I send at once?
Android itself limits an app to roughly 100 messages per hour as an anti-abuse measure, and your carrier may temporarily block your SIM if you fire off thirty or forty back to back. The adjustable delay is there for that reason. This is a tool for a list of dozens or low hundreds, spread out — not for tens of thousands.
What should I know before texting a list?
Text people who gave you their number and expect to hear from you — customers, patients, members, your own contacts — and give them an easy way to say stop. That's good practice everywhere and it's what this tool is built for. Rules on commercial messaging vary by country and by state, so check what applies where you are before you run a campaign. The app sends what you tell it to; what you send is up to you.

Send your first batch today.

Install, enter your key, paste a list — sending in a couple of minutes.

9 licence keys left · 14-day money-back guarantee · instant download