MMGuardian vs SentryPC
Features, use cases, pros and cons, and pricing side by side — and which one to pick.
Quick verdict: Pick MMGuardian if you're monitoring a child's phone, and SentryPC if you need to manage many computers or mixed devices for family, work, or school.
Best for: Parents of children ages 7-17 who want complete visibility into messages, app usage, and web activity rather than only alert-based monitoring, Families buying a first phone for a young child who need tamper-proof protection that cannot be bypassed or factory-reset
Read the full MMGuardian reviewBest for: Parents who want detailed activity logs and screen-time limits on kids' computers and Android devices, Small businesses that need to monitor employee computer use from one central account
Read the full SentryPC reviewCommission may apply at no extra cost
MMGuardian vs SentryPC: features compared
Compare key features side by side
Feature Comparison Summary
Which should you choose?
Choose MMGuardian if
- You want to monitor your child's Android or iPhone messages directly
- You'd rather test first — it offers a 14-day free trial, no card needed
- You need tamper-proof protection, like the dedicated MMGuardian Phone
Choose SentryPC if
- You need to manage many devices, up to 1,000, from one cloud account
- You're monitoring Windows, Mac, Android, or Chromebook for work or school
- You want filtering, time limits, and monitoring bundled in one subscription
MMGuardian vs SentryPC: pros and cons
MMGuardian
MMGuardian gives parents full visibility into messages, apps, and web activity, plus a tamper-proof Samsung phone option kids can't reset. It's affordable at $4.99 a month, easy to set up, and proven since 2012, but there are no refunds and some costs aren't published. Overall, it's a solid pick for parents who want the whole picture, not just alerts.
Pros
- Full message visibility, not just filtered alerts—you can read your child's entire text conversations directly from your own phone rather than relying only on algorithm-flagged notifications
- Tamper-proof hardware option — the dedicated MMGuardian Phone ($229 plus a service plan) uses premium Samsung hardware with built-in controls that cannot be factory-reset or disabled by the child
- Adjustable protections for ages 7-17, letting you lock down content for younger kids and gradually grant freedoms as teens mature
Cons
- No refunds on app subscriptions—once you pay, your money is committed, though the license can be transferred between devices
- Pricing details are incomplete — the site does not state device limits per subscription or refund terms for the MMGuardian Phone, so you must contact support for specifics
- Full message monitoring is intrusive for older teens and may strain trust if not discussed openly with the child
SentryPC
SentryPC packs monitoring, filtering, and time limits into one cloud dashboard, with per-user rules, alerts, and geofencing across Windows, Mac, Android, and Chromebook. Pricing is clear but yearly-only, with no trial, no refund policy, and no iOS support listed. Overall, it's a solid choice if you own the devices and can accept an untested upfront commitment.
Pros
- Combines activity monitoring, content filtering, and time management in a single subscription, so parents and businesses don't need to juggle separate tools for blocking websites, scheduling screen time, and reviewing logs.
- All management happens through a cloud dashboard — after the initial install on the monitored Windows, Mac, Android, or Chromebook device, you never touch it again; logs, settings, and alerts are handled remotely from any web-enabled device.
- Rules are per-user and granular — you can block or hour-restrict specific applications, websites and URLs, and keywords, plus set daily and weekly usage caps and see at a glance how much time each user has left.
Cons
- No free trial, free plan, or refund policy is shown on the vendor's site, and billing is yearly only — there is no monthly option, so buyers must commit upfront without a way to test the software first.
- Activity logs older than one month are purged daily unless you download archives, and screenshot storage is a rolling window capped at 500–2,000 depending on plan; extra storage costs $29.95/year per 500 screenshots.
- iOS devices are not mentioned among supported platforms (Windows, Mac, Android, and Chromebook only), so households or teams with iPhones and iPads should confirm compatibility before purchasing.
MMGuardian and SentryPC in detail
MMGuardian
MMGuardian is a comprehensive parental control solution trusted by families since 2012. It's designed for parents of children ages 7-17 who want to protect their phones and guide their digital lives. You can choose either a monitoring app for their existing Android or iPhone, or a tamper-proof MMGuardian Phone with built-in controls. ✅
Standout features
- Complete Visibility, Not Just Alerts
- Protection That Adapts as They Grow
- Tamper-Proof Security You Can Trust
- Smart Alerts Guide Your Attention
- Easy Setup and Simple Monitoring
Use cases
- Getting a First Phone for a Young Child
- Managing Screen Time for a Busy Family
- Addressing a Specific Safety Concern (Cyberbullying)
- Giving a Teenager More Responsibility
SentryPC
SentryPC is cloud-based software that monitors, filters, and limits activity on Windows, Mac, Android, and Chromebook devices. It records apps, websites, keystrokes, and screenshots, then shows everything in a web account you can open from any device. The company has been around for over 21 years and serves families, businesses, and schools that need to manage how computers and phones get used.
Standout features
- See everything in real time
- Filter content your way
- Set schedules and time limits
- Stay informed with alerts, reports, and maps
- Run it quietly, scale it widely
Use cases
- Set screen-time rules for your kids
- Monitor employee activity from one account
- Enforce content rules in the classroom
- Manage devices across locations
Pricing compared
List prices from each vendor's pricing page, before taxes and add-ons. Costs are per month.
| Pricing compared | MMGuardian | SentryPC |
|---|---|---|
| From (cheapest paid plan) | $4.99/mo MMGuardian Apps | $5.83/mo Single License |
| Free plan | No | No |
| Free trial | 14 days | Not stated |
| Money-back guarantee | Not stated | Not stated |
| Annual billing savings | — | — |
| Pricing model | Flat price | Flat price |
| Cost for 1 user | $4.99/mo MMGuardian Apps plan, billed monthly | $5.83/mo Single License plan, billed annually |
| Cost for 5 users | $4.99/mo MMGuardian Apps plan, billed monthly · price per account (user limit not stated) | $124.58/mo 50 Licenses plan, billed annually |
| Cost for 10 users | $4.99/mo MMGuardian Apps plan, billed monthly · price per account (user limit not stated) | $124.58/mo 50 Licenses plan, billed annually |
| Cost for 25 users | $4.99/mo MMGuardian Apps plan, billed monthly · price per account (user limit not stated) | $124.58/mo 50 Licenses plan, billed annually |
| Plans | 2 | 6 |
| Prices checked | Vendor page checked Oct 13, 2026 | Vendor page checked Oct 12, 2026 |
| Price history | Tracking prices since Oct 1, 2026. No price change detected yet. | Tracking prices since Sep 7, 2026. No price change detected yet. |
- Cheapest plan that fits each team size. Per-user plans are multiplied by the number of users (respecting stated minimums and seat packs). Plans that include some users cost their base price plus the extra-user price for each user beyond those included. Flat-priced plans with no stated user limit are counted as one licence per user.
Cheaper for your team size
Not enough published prices to compare team costs: check each vendor's pricing page.
Computed from published list prices on the dates shown. Excludes taxes, add-ons and promotions.
More comparisons
Frequently Asked Questions
Can either tool monitor iPhones?
MMGuardian works on both Android and iPhone. SentryPC lists Windows, Mac, Android, and Chromebook support, but iOS isn't mentioned, so Apple mobile users should confirm compatibility with the vendor before buying.
Which one scales better for teams or schools?
SentryPC clearly scales further. Its plans cover up to 1,000 devices from one cloud account across locations. MMGuardian doesn't state device limits for its subscriptions, so large deployments aren't documented.