Comparison

SMS Shield vs Plain Units

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

Head to head
About

SMS Shield

Features
Read full description

SMS Shield automatically filters and blocks spam, junk, and unwanted text messages — all on your device. No cloud, no data sharing. Powered by AI-based detection and custom keyword blocking. Set up in seconds, enjoy a clean inbox forever. Privacy Policy: https://sites.google.com/view/privacy-policy-sms-shield/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Plain Units

Features
Read full description

Simple Unit Converter is a calm, numeric-first converter that gets out of your way. Pick a category, type into any field, and every other unit on the page updates instantly. No account, no sign-in, no clutter. 14 CATEGORIES • Length • Mass • Temperature • Time • Speed • Area • Volume • Digital Storage • Data Transfer Rate • Energy • Frequency • Fuel Economy • Plane Angle • Pressure WHY YOU'LL LIKE IT • Type into any unit, not just a "from" box. Every other unit converts as you type. • All units in a category are visible at once, so you never dig through pickers. • Searchable category grid to jump straight to what you need. • Tap a result to copy a clean, paste-ready value. • Remembers your last category, unit, and value between launches. • Light and dark mode, and works on iPhone and iPad. • Everything runs on your device. No servers, no analytics, no tracking of your conversions. REMOVE ADS The free version shows ads. A one-time purchase removes them forever and restores on all your devices signed in to the same Apple Account.

Screenshots

SMS Shield4 screens
Plain Units4 screens

Verdict

The call

The clearest difference is ads: SMS Shield at none against Plain Units's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. SMS Shield sells 1 one-off in-app purchase and Plain Units sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference Ā· 5 level
SMS Shield versus Plain Units: the parameters behind the verdict, then further details
ParameterSMS ShieldPlain Units
PriceFreeFree
Update frequency—Every 3 weeks
AdsNo — betterYes
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad — better
Requires iOS17.016.4 — better
Further details — not scored
Size13 MB48 MB
Age rating4+4+
DeveloperMine Nur KasimogullariNicolaus Lawson

In-app purchases

1 purchases

SMS Shield

One-time1
  • Lifetime$9.99
1 purchases

Plain Units

One-time1
  • Remove Ads$3.99

Questions

Is SMS Shield free?
SMS Shield is free to download, with in-app purchases available.
Is Plain Units free?
Plain Units is free to download, with in-app purchases available.
Do SMS Shield or Plain Units have ads?
Plain Units shows ads; SMS Shield does not.

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