# Simply Filter SMS vs CTE Energy

The clearest difference is in-app purchases: CTE Energy at none against Simply Filter SMS's 3. Simply Filter SMS's advantage is update cadence (every 9 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Simply Filter SMS sells 3 one-off in-app purchases. CTE Energy asks for nothing beyond the download.

Simply Filter SMS ships an update every 9 days, CTE Energy every 4 months. The most recent releases landed on October 27, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Simply Filter SMS | CTE Energy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (70 ratings)](https://appshunter.io/ios/app/simply-filter-sms/id1603222959/reviews)** | — |
| Number of ratings | **70** | — |
| Positive reviews | 80.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 53 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Adi Ben-Dahan](https://appshunter.io/developer/1603222961) | [仁义 樊](https://appshunter.io/developer/1406210820) |

## What reviewers say

### Simply Filter SMS

[App page](https://appshunter.io/ios/app/simply-filter-sms/id1603222959)

This app automatically filters unwanted text messages on your iPhone or iPad. It uses AI and customizable rules to sort messages from unknown senders into categories like Junk, Promotions, or Transactions, all processed on your device for privacy.

**Highlights:** AI-powered spam filtering, Customizable keyword rules, Automatic message categorization, On-device processing for privacy, Support for 10 languages, Trusted country filtering

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $1.99 | one-time |
| Medium Tip | $4.99 | one-time |
| Large Tip | $9.99 | one-time |


### CTE Energy

[App page](https://appshunter.io/ios/app/cte-energy/id6502897105)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Simply Filter SMS free?

Simply Filter SMS is free to download, with in-app purchases available.

### Is CTE Energy free?

CTE Energy is free to download, with no in-app purchases.

### Do Simply Filter SMS or CTE Energy have ads?

Neither Simply Filter SMS nor CTE Energy shows ads.

### Which is updated more often, Simply Filter SMS or CTE Energy?

Simply Filter SMS ships an update every 9 days, and CTE Energy every 4 months. Most recently, Simply Filter SMS was updated on October 27, 2026 and CTE Energy on October 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*