Comparison

SLYNUMBER vs ControlHippo

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

Head to head
About

SLYNUMBER

Get a real, private mobile number for calls and texts without a carrier contract. Protect your personal information and separate your communications for business, dating, or travel.

Highlights
  • Real mobile numbers, not VoIP
  • Unlimited inbound calls & texts
  • 100 outbound credits monthly
  • Privacy and anonymity
  • Spam blocking & do-not-disturb
  • AI-powered features
  • eSIM for global data
Features
Read full description

NOT TO BRAG, WE ARE THE BEST SLYNUMBER is not just another second number app. SLYNUMBER is the ONLY provider on the market to offer real mobile numbers. We don't provide VoIP, fake phone numbers, or second lines that only work for a week. This distinction is crucial because many apps and online services do not accept VoIP numbers. SLYNUMBER works everywhere! To put is simply - unless you're willing to sign up with a major carrier like T-Mobile, Verizon, or AT&T and commit to an expensive plan with a SIM card and monthly bills, we are your ONLY alternative for obtaining an actual mobile number. Moreover, we prioritize your privacy and anonymity, allowing you to share your number with strangers, clients, acquaintances, blind dates, or anyone else without the fear of being tracked or spied on. HOW SLYNUMBER WORKS Setting up SLYNUMBER is fast and easy! Simply, download the app onto your phone, pick your number and start calling and texting. SLYNUMBER can do everything your primary mobile number can but with added privacy and some really cool features. We offer the most reliable and fully featured virtual phone number app available, with calling & texting features that include free toll-free calls, blocking, muting, and do-not-disturb mode, caller name & ID settings, SlyAI (running on ChatGPT-4), call forwarding, and number porting. And now we also offer an eSIM feature that will allow you to activate cellular data anywhere in the world. We are you one-stop shop for all things mobile. Use it for: -Privacy & keeping your information safe -Separating personal and transactional numbers -Your business needs -Job applications -Traveling abroad -Communicating freely with spam blocking & muting -Setting boundaries with do-not-disturb settings -Online or in-person dating Your private phone number can be risky if it falls into the wrong hands. Our main protective measure is ensuring that SLYNUMBER does not gather any personal information apart from what is required for processing payments, which remains inaccessible. Using SLYNUMBER, you can establish barriers through features like spam call blocking and do-not-disturb settings to guarantee that you always have control over your communications. PLANS & PRICING SLYNUMBER is a subscription-based app, offering you two simple ways to enjoy a second mobile number & complete privacy that comes with it. 3-MONTH BASE PLAN: $4.99/mo (billed every 3 months at $14.99). The plan includes unlimited inbound calling and texting and 100 monthly outbound credits for calling and texting ANNUAL PLAN: $4.18/mo (billed annually at $49.99) The plan includes unlimited inbound calling and texting and 100 monthly outbound credits for calling and texting ADDITIONAL OUTBOUND CREDITS: 1000 credits for $10 (1 credit equals to 1-min call or 1 text message) SUBSCRIPTION DETAILS All subscriptions include unlimited inbound calls and texts, and 100 outbound credits (1 credit equals to 1-min call or 1 text message). If credits are used additional outbound credits may be purchased. Subscriptions automatically renew unless canceled. Subscriptions can be managed by the user through the app. For any further assistance, contact support@slynumber.com International calling rates vary based on the country you're calling. THE FINE PRINT Privacy Policy: https://slynumber.com/privacy-policy.html Terms of Use: https://slynumber.com/terms.html IMPORTANT: Please review our pricing before purchasing - SLYNUMBER has no free trial period. Outbound phone calls and text messages require an additional purchase of credits. Area code availability varies.

About

ControlHippo

Features
Read full description

ControlHippo is a multi-channel shared inbox that enables businesses to manage social platforms, providing users with a unified platform to manage inquiries efficiently. With ControlHippo, you can sync all your messages with CRM platforms for improved productivity.

Screenshots

SLYNUMBER4 screens
ControlHippo4 screens

Verdict

The call

The clearest difference is in-app purchases: ControlHippo at none against SLYNUMBER's 8. ControlHippo also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.0). SLYNUMBER's advantage is update cadence (fortnightly vs every 6 weeks) and chart position (#171 vs unranked). On price and ads 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. SLYNUMBER sells 8 in-app purchases, starting at $5.00 per year. ControlHippo asks for nothing beyond the download.

UpkeepUpdate frequency

SLYNUMBER ships an update fortnightly, ControlHippo every 6 weeks. The most recent releases landed on September 24, 2026 and March 6, 2026 respectively.

Scorecard5 real differences · 6 level
SLYNUMBER versus ControlHippo: the parameters behind the verdict, then further details
ParameterSLYNUMBERControlHippo
PriceFreeFree
Rating4.5 (2.6K ratings) — better—
Positive reviews31.9% of reviews—
Number of ratings2.6K — better—
Update frequencyFortnightly — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscription—
Best chart rank#171 — better—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.012.0 — better
Further details — not scored
Size112 MB69 MB
Age rating4+17+
DeveloperMobileSphere, LtdAnkit Dudhwewala

Bugs and requests

SLYNUMBER

Reported bugs

4 issues
  • App won't load past the launch screen
  • Incoming calls have no audio
  • Text messages fail to deliver
  • Subscription issues and inability to cancel

Requested features

4 requests
  • Add ability to send and receive pictures and videos
  • Improve app stability and reduce crashes
  • Provide better customer support and communication
  • Offer more affordable pricing options

ControlHippo

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

SLYNUMBER

Subscriptions3
  • Global eSIM data plan$5.001 Year
  • Three-Month Plan$14.993 Months
  • Yearly Plan$49.991 Year
One-time5
  • SLYNUMBER eSIM$3.00
  • 10 Dollar Credit Bundle$10.00
  • 25 Dollar Credit Bundle$25.00
Show 2 more
  • 50 Dollar Credit Bundle$50.00
  • 100 Dollar Credit Bundle$100.00
None

ControlHippo

No in-app purchases

Questions

Is SLYNUMBER free?
SLYNUMBER is free to download, with in-app purchases available.
Is ControlHippo free?
ControlHippo is free to download, with no in-app purchases.
Do SLYNUMBER or ControlHippo have ads?
Neither SLYNUMBER nor ControlHippo shows ads.
Which is updated more often, SLYNUMBER or ControlHippo?
SLYNUMBER ships an update fortnightly, and ControlHippo every 6 weeks. Most recently, SLYNUMBER was updated on September 24, 2026 and ControlHippo on March 6, 2026.

Other comparisons