# Spike AI vs A1 ai

The clearest difference is in-app purchases: Spike AI at none against A1 ai's 1. Spike AI also leads on ratings volume (11 vs 2). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. A1 ai sells 1 in-app purchase, starting at $9.99 per 7 days. Spike AI asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 3.1 for Spike AI against 3.0 for A1 ai. That said, the two scores are not equally well evidenced: Spike AI has 11 ratings behind it against 2, so its average is the more settled of the two.

Spike AI ships an update every 8 days, A1 ai weekly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Spike AI | A1 ai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (11 ratings)](https://appshunter.io/ios/app/spike-ai/id6749781844/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/a1-ai/id6772595253/reviews) |
| Number of ratings | **11** | 2 |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 121 MB | 6 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jan Stellmann](https://appshunter.io/developer/1832066618) | [What If Projects, Inc.](https://appshunter.io/developer/1649550065) |

## What reviewers say

### Spike AI

[App page](https://appshunter.io/ios/app/spike-ai/id6749781844)

This AI chat application offers flexible model execution, allowing you to use cloud-based AI, your own on-device models, or connect to a remote server. It supports encrypted conversation syncing across devices and project organization for managing your AI interactions.

**Highlights:** Cloud-based AI chat, On-device model execution, Connect to OpenAI-compatible servers, Sync encrypted conversations, Organize chats in projects, Choose tools for tasks

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

**In-app purchases:** none


### A1 ai

[App page](https://appshunter.io/ios/app/a1-ai/id6772595253)

This AI application offers on-device processing and decentralized network options, ensuring your data remains private and is never sold. It allows you to ask anything without contributing to large data centers, making it an environmentally conscious choice.

**Highlights:** On-device AI model, Decentralized network compute, No data centers used, Privacy-focused, Subscription for Pro features

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A1 Pro | $9.99 | per 7 days |


## Frequently asked questions

### Is Spike AI free?

Spike AI is free to download, with no in-app purchases.

### Is A1 ai free?

A1 ai is free to download, with in-app purchases available.

### Which has better reviews, Spike AI or A1 ai?

Spike AI is rated higher. Spike AI averages 3.1 out of 5 from 11 ratings, while A1 ai averages 3.0 from 2 ratings.

### Do Spike AI or A1 ai have ads?

Neither Spike AI nor A1 ai shows ads.

### Which is updated more often, Spike AI or A1 ai?

Spike AI ships an update every 8 days, and A1 ai weekly. Most recently, Spike AI was updated on November 5, 2026 and A1 ai on October 31, 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.*