# Spark AI vs Kelper

The clearest difference is update cadence: Kelper at weekly against Spark AI's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Spark AI sells 2 in-app purchases, starting at $24.99 per year and Kelper sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Spark AI ships an update every 3 weeks, Kelper weekly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Spark AI | Kelper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 9 MB | 112 MB |
| Requires iOS | **15.0** | 16.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JETKITE YAZILIM SANAYI VE TICARET A.S.](https://appshunter.io/developer/1718707717) | [Otterly Space](https://appshunter.io/developer/1783624615) |

## What reviewers say

### Spark AI

[App page](https://appshunter.io/ios/app/spark-ai-chat-and-assistant/id6480063091)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Special Yearly Premium Access | $24.99 | per year |
| Yearly Premium Access | $32.99 | per year |


### Kelper

[App page](https://appshunter.io/ios/app/kelper/id6739311768)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basique Mensuel | $5.99 | per month |
| Basique Annuel | $59.99 | per year |


## Frequently asked questions

### Is Spark AI free?

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

### Is Kelper free?

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

### Do Spark AI or Kelper have ads?

Neither Spark AI nor Kelper shows ads.

### Which is updated more often, Spark AI or Kelper?

Spark AI ships an update every 3 weeks, and Kelper weekly. Most recently, Spark AI was updated on October 27, 2026 and Kelper on October 25, 2026.

---

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