# JointJar vs Kaspa Observer

The clearest difference is in-app purchases: Kaspa Observer at none against JointJar's 1. Kaspa Observer also leads on iOS requirement (15.5 vs 26.2). JointJar's advantage is update cadence (daily vs weekly). On price, ads and device support there is nothing between them.

Both are free to download. JointJar sells 1 one-off in-app purchase. Kaspa Observer asks for nothing beyond the download.

JointJar ships an update daily, Kaspa Observer weekly. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | JointJar | Kaspa Observer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Weekly |
| Size | 19 MB | 74 MB |
| Requires iOS | 26.2 | **15.5** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Joachim von Caron](https://appshunter.io/developer/1059668187) | [Nikolai Karavanov](https://appshunter.io/developer/1829272078) |

## What reviewers say

### JointJar

[App page](https://appshunter.io/ios/app/jointjar/id6477779925)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| JointJar Pro – Lifetime | $4.99 | one-time |


### Kaspa Observer

[App page](https://appshunter.io/ios/app/kaspa-observer/id6749205046)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JointJar free?

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

### Is Kaspa Observer free?

Kaspa Observer is free to download, with no in-app purchases.

### Do JointJar or Kaspa Observer have ads?

Neither JointJar nor Kaspa Observer shows ads.

### Which is updated more often, JointJar or Kaspa Observer?

JointJar ships an update daily, and Kaspa Observer weekly. Most recently, JointJar was updated on October 7, 2026 and Kaspa Observer on October 9, 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.*