What It Does
OsmO is an AI phone assistant for iPhone and Android that screens incoming calls, blocks unwanted callers, takes messages, and makes outbound calls on the user’s behalf. It is designed for people who want to reduce spam calls, automate routine phone tasks, and keep important callers accessible.
A typical workflow uses conditional call forwarding to route unanswered calls to it. The assistant screens the caller, blocks spam or telemarketers, takes messages, transfers urgent calls, books appointments, or makes outbound calls to businesses. Users can also schedule recurring calls and receive transcripts and summaries.
Quick Verdict
- Best for: Personal call screening and outbound phone tasks
- Skip if: You need a fully free call assistant without subscription costs
- Key Advantage: Combines call screening with outbound calling
- Top Alternative: RoboKiller
At a Glance
| Feature | Details |
|---|---|
| Category | AI Phone Assistant |
| Pricing Model | Paid with Free Trial |
| Free Tier | 7-day Free Trial |
| Platform | iPhone, Android |
| API | Not specified |
| Primary Strength | AI call screening and automation |
| Supported Countries | USA, India, Canada |
| Call Setup | Conditional call forwarding |
Pricing & Plans
OsmO offers a 7-day free trial. Some features require a paid plan and are not included during the trial.
Android
- Basic: US$7.99-$9.99 historical store price range
- Premium: US$7.99-$9.99 historical store price range
- Basic includes incoming AI call handling, outbound AI calls, voice choices, call-handling rules, urgent-call handling, and call summaries.
- Premium adds a dedicated it number, offline call answering, custom voice, custom assistant persona, website-based knowledge, enhanced missed-call coverage, and iconic voices.
iPhone
- OsmO Pro: US$9.99 historical US App Store price
- India historical price: ₹299
- The App Store controls the localized subscription price.
The supplied pricing page states that these prices were checked against official store listings on July 28, 2026, so they should be treated as historical references rather than guaranteed current prices.
Note: Prices and plan limits may change. Check the official website for current pricing.
Key Features
- AI call screening: Screens unknown callers and blocks spam or telemarketing calls.
- Outbound AI calls: Calls businesses and handles tasks such as price or availability checks.
- Custom call rules: Sends selected contacts directly through while screening unknown numbers.
- Recurring calls: Schedules repeated calls and retries until an outcome is reached.
- Transcripts and summaries: Provides searchable transcripts and call summaries after conversations.
- Calendar bookings: Books appointments and adds confirmations to Google or Apple Calendar.
- Urgent-call transfer: Detects urgent conversations and transfers relevant calls to the user.
- Custom voices: Offers character, studio, and cloned voice options.
Best For
- People wanting automated screening of unknown and spam calls
- Users who frequently make calls to businesses for routine tasks
- Appointment booking and confirmation workflows
- Recurring tasks such as pharmacy or membership calls
- Users who want transcripts and summaries of handled calls
Pros & Cons
Pros
- Combines inbound call screening with outbound AI calling.
- Works with an existing phone number through conditional call forwarding.
- Supports recurring calls with retry and keep-going functionality.
- Provides transcripts, summaries, appointment booking, and urgent-call transfer.
- Offers multiple assistant voices and custom voice cloning.
Cons
- A paid subscription is required after the 7-day trial for continued premium use.
- Pricing and plan structure differ between iPhone and Android.
- Carrier forwarding charges may apply depending on the user’s phone plan.
- Some advanced capabilities are restricted to Premium on Android.
Alternatives & Comparisons
| Alternative | Best For | Key Difference vs. OsmO |
|---|---|---|
| RoboKiller | Spam call protection | Focuses more heavily on spam blocking and automated answering |
| Hiya Premium | Caller ID and spam warnings | Primarily focuses on caller identification and spam protection |
| Truecaller Premium | Caller identification | Provides caller ID, spam database access, and ad-free usage |
OsmO occupies a broader position than traditional caller-ID and spam-blocking apps because it also makes calls and handles routine phone tasks. Choose it when outbound calling, recurring tasks, appointment booking, and AI call handling matter alongside spam protection.
Frequently Asked Questions
What is OsmO?
OsmO is an AI phone assistant for iPhone and Android that screens calls, handles messages, and makes outbound calls for users.
Does OsmO block spam calls?
Yes. it can screen unknown callers and block spam or telemarketing calls according to the user’s call-handling rules.
Does OsmO make calls for users?
Yes. Users can give OsmO a task and destinations, allowing it to call businesses, wait on hold, and return the results.
Does OsmO require a new phone number?
No. OsmO can operate through conditional call forwarding using the user’s existing phone number.
Does OsmO work on both iPhone and Android?
No. OsmO can operate through conditional call forwarding using the user’s existing phone number.
Does OsmO charge for call forwarding?
OsmO itself does not require a second phone number, but carrier charges for forwarded minutes or destination calls may depend on the user’s mobile plan.
ToolsPedia Rating
- Performance & Speed: 4.3/5.0
- Ease of Setup: 4.2/5.0
- Feature Depth: 4.5/5.0
- Value for Price: 4.0/5.0
- ToolsPedia Score: 4.3/5.0
Final Thoughts
OsmO is more than a spam blocker because it combines AI call screening with outbound calling, recurring tasks, appointment handling, transcripts, and urgent-call transfers. Its existing-number setup also avoids requiring a second SIM or phone line, although users should check carrier forwarding costs and platform-specific pricing before subscribing.
