SMS Filter+ vs SMS Sift
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SMS Filter+
This app provides professional SMS filtering to block spam and unwanted MMS messages. Customize filters based on phone numbers, keywords, or regular expressions to automatically sort messages. Enjoy uninterrupted focus by silencing junk messages without notifications.
- Automatic message classification
- Customizable spam filters
- Filter by phone number, text, keywords, regex
- Block unwanted MMS messages
- Silent junk message notifications
- Privacy-focused processing
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This is a safe, efficient and professional SMS filter. You can customize your own filters to help you filter spam and MMS messages from unknown phone numbers. What it does: Automatically classify your messages, filter junk messages, let you avoid being disturbed by spam during work, rest or when you are on your phone(such as gaming or reading). Privacy matters: All verification activities occur in a closed and secured process provided by iOS, without the need to connect to the network throughout, and SMS Filter+ will not read, collect or tag your messages. Customize your filters: Filter your messages like a pro, support check phone numbers, text, containing multiple keywords, start/end with keywords, match with Regular Expression and other advanced features. How it works: When a message comes, SMS Filter+ will always go through your Allow, Transaction and Promotion filters. Once there is any filter made a match, messages automatically classified into the corresponding folder. If those filters can not make a match, then SMS Filter+ will go through your Junk filters, message will be filtered if it matched as spam. Notifications & Badge If a message classified as Allow, Transaction and Promotion, you will still get notifications and unread badge on the Message app icon, if a message filtered as spam, you won’t get any notifications and there is no unread badge.
SMS Sift
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"SMS Sift" is a safe, efficient and professional SMS filter that can help you filter spam messages from unknown phone numbers through custom filter rules. "SMS Sift" is based on the Core ML machine learning framework to filter spam SMS offline on the device side, which can accurately identify spam SMS through semantics, so that you are protected from the harassment of blocked SMS "SMS Sift" is a tool for sending SMS quickly, SMS templates for New Year holidays, workplace business and other scenarios, so that you will never worry about the content of SMS. Just pick up your phone to find the template to copy and paste, one-click group sending, simple operation, efficient and convenient!Built-in massive SMS, you can choose **Characteristic** • Add an unlimited number of custom filter rules • No need for network permission, safe and reliable filtering of spam SMS, privacy is not leaked • "Blacklist" and "Whitelist" dual list filtering mode, filter spam SMS while ensuring that important SMS messages are not mistakenly filtered • Built-in inspector lets you test and validate filtering rules • Easily set up defined filter rules ** Gather everyone's efforts to make the identification of the APP more accurate ** "SMS Sift" uses statistical-based machine learning algorithms to learn from hundreds of thousands of various SMS samples. Without the user configuring any keywords, it can accurately determine whether the received SMS is a normal SMS, a public welfare SMS or an advertising harassment SMS by identifying the semantic characteristics of an SMS. If the APP has a judgment error, you can report SMS samples in the App to help the APP further improve the accuracy, the more submissions, the higher the accuracy. ** Privacy Policy: What information does SMS Blocker collect? ** SMS Sift runs in a closed and secure environment provided by iOS, is a completely offline app, doesn't even ask for network permission (until you first report spam to us), reads, collects, or tags your text messages. We rely on a wide range of users to proactively report spam messages to us to build a sample library of machine learning. "SMS Sift" will not collect any of your information, let alone upload your SMS content, if you are careful enough, you will find that Panda will not ask for network permission, completely offline operation. If you voluntarily submit a sample text message to us, the text of the redacted SMS and a number that you mark as spam or not will be collected, only these two data.
Screenshots
Verdict
The clearest difference is update cadence: SMS Filter+ at every 4 weeks against SMS Sift's every 3 months. SMS Sift's advantage is iOS requirement (12.1 vs 14.0). On price, ads, in-app purchases and device support 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
SMS Filter+ costs $0.99 and SMS Sift $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
SMS Filter+ ships an update every 4 weeks, SMS Sift every 3 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.
| Parameter | SMS Filter+ | SMS Sift |
|---|---|---|
| Price | $0.99 | $0.99 |
| Rating | 4.2 (216 ratings) — better | — |
| Positive reviews | 57.8% of reviews | — |
| Number of ratings | 216 — better | — |
| Update frequency | Every 4 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 12.1 — better |
| Further details — not scored | ||
| Size | 4 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | 奕才 杨 | 新俊 方 |
In-app purchases
SMS Filter+
No in-app purchases
SMS Sift
No in-app purchases









