# Caline vs Smart Spam Filter

The clearest difference is price: Smart Spam Filter at Free against Caline's $1.99. Smart Spam Filter also leads on ratings volume (9 vs 2). Caline's advantage is rating (5.0 vs 4.4) and in-app purchases (none vs 2). On review sentiment, update cadence, ads and device support there is nothing between them.

Smart Spam Filter is free to download; Caline costs $1.99 up front. Smart Spam Filter sells 2 in-app purchases, starting at $2.99 per month. Caline asks for nothing beyond the download.

Caline holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 2 and 9 respectively. Written reviews point the same way: 100% of Caline's written reviews are positive against 98% of Smart Spam Filter's.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 11, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Caline | Smart Spam Filter |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/caline/id6443817507/reviews)** | [4.4 (9 ratings)](https://appshunter.io/ios/app/smart-spam-filter/id6503603784/reviews) |
| Number of ratings | 2 | **9** |
| Positive reviews | **100.0% of reviews** | 98.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 2 MB | 23 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Yuuichi Kuze](https://appshunter.io/developer/1649578927) | [Junbum Lee](https://appshunter.io/developer/1749481503) |

## What reviewers say

### Caline

[App page](https://appshunter.io/ios/app/caline/id6443817507)

This calculator app allows users to save and refer to past calculation memos. It supports a wide range of functions, including trigonometric and logarithmic operations, and displays units like k, M, p, and % for better readability. It can also express values in decibels and hexadecimal format.

**Highlights:** Save and recall calculation memos, Trigonometric and logarithmic functions, Variable support, Unit display (k, M, p, %), Decibel expression, Hexadecimal conversion

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Spam Filter

[App page](https://appshunter.io/ios/app/smart-spam-filter/id6503603784)

This AI-powered application automatically filters unwanted spam and smishing messages. It utilizes advanced AI models, both online and on-device, to detect and block new types of fraudulent texts in real-time. Additional features include custom blacklisting and whitelisting for enhanced control.

**Highlights:** AI-based spam/smishing filtering, Online real-time AI detection, On-device AI learning, Keyword and number blocking, Whitelist functionality

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy a cup of coffee per month | $2.99 | per month |
| Support a chicken per year | $29.99 | per year |


## Frequently asked questions

### Is Caline free?

Caline costs $1.99, with no in-app purchases.

### Is Smart Spam Filter free?

Smart Spam Filter is free to download, with in-app purchases available.

### Which has better reviews, Caline or Smart Spam Filter?

Caline is rated higher. Caline averages 5.0 out of 5 from 2 ratings, while Smart Spam Filter averages 4.4 from 9 ratings.

### Do Caline or Smart Spam Filter have ads?

Neither Caline nor Smart Spam Filter shows ads.

### Which is updated more often, Caline or Smart Spam Filter?

Caline ships an update every 2 weeks, and Smart Spam Filter every 2 weeks. Most recently, Caline was updated on October 11, 2026 and Smart Spam Filter on October 22, 2026.

---

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