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IDShield's frequent three-bureau credit reports and scores are great bargains, though IdentityForce and LifeLock monitor more personal data.

PrivacyGuard has the most useful tools and most frequent credit-file information, but other services monitor more types of personal data.

LifeLock offers the most comprehensive personal-data monitoring and a great deal on antivirus software, but it's pricey.

Identity Guard Premier's selling point is IBM Watson artificial intelligence, but that doesn't make up for the fairly paltry feature set.

The latest Spectacles offer neat upgrades from the first pair of camera-equipped glasses, but overall issues persist.

ProtectMyID doesn't monitor the same breadth of personal and financial information that other services do, nor does it provide extra features.