# JoinSelf Messenger vs JicoCalc

The clearest difference is in-app purchases: JoinSelf Messenger at none against JicoCalc's 1. JoinSelf Messenger also leads on ads (none vs shown). JicoCalc's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. JicoCalc sells 1 one-off in-app purchase. JoinSelf Messenger asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | JoinSelf Messenger | JicoCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (42 ratings)](https://appshunter.io/ios/app/jicocalc-calculator/id6448924181/reviews)** |
| Number of ratings | — | **42** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 153 MB | 63 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Self Group Limited](https://appshunter.io/developer/1568222941) | [Shanghai Mashang Yunxing Technology Co., Ltd.](https://appshunter.io/developer/1686848479) |

## What reviewers say

### JoinSelf Messenger

[App page](https://appshunter.io/ios/app/joinself-messenger/id1572496234)

**In-app purchases:** none


### JicoCalc

[App page](https://appshunter.io/ios/app/jicocalc-calculator/id6448924181)

This comprehensive toolkit offers a calculator, scientific calculator, unit converter, currency converter, loan calculator, and numerous other tools for daily tasks, study, and work. It provides over 90 practical functions and 49 unit conversion categories to streamline calculations and conversions.

**Highlights:** Basic and scientific calculations, 49 unit conversion categories, Currency and loan calculators, Date and time calculations, Developer tools (Base converter, string hash), Search, favorites, and history, Dark and light mode support

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| JicoCalc Pro (Lifetime) | $4.99 | one-time |


## Frequently asked questions

### Is JoinSelf Messenger free?

JoinSelf Messenger is free to download, with no in-app purchases.

### Is JicoCalc free?

JicoCalc is free to download, with in-app purchases available.

### Do JoinSelf Messenger or JicoCalc have ads?

JicoCalc shows ads; JoinSelf Messenger does not.

### Which is updated more often, JoinSelf Messenger or JicoCalc?

JoinSelf Messenger ships an update every 3 weeks, and JicoCalc every 3 weeks. Most recently, JoinSelf Messenger was updated on November 7, 2026 and JicoCalc on November 3, 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.*