# DeeperAI vs Bullet

The clearest difference is in-app purchases: Bullet at none against DeeperAI's 2. DeeperAI's advantage is iOS requirement (17.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. DeeperAI sells 2 in-app purchases, starting at $14.99 per month. Bullet asks for nothing beyond the download.

DeeperAI ships an update weekly, Bullet every 2 weeks. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | DeeperAI | Bullet |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 11 MB | 4 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Masanori Kobayashi](https://appshunter.io/developer/1890607844) | [鹏 王](https://appshunter.io/developer/1842624169) |

## What reviewers say

### DeeperAI

[App page](https://appshunter.io/ios/app/deeperai/id6761641850)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DeeperAI Monthly | $14.99 | per month |
| DeeperAI Unlimited | $39.99 | one-time |


### Bullet

[App page](https://appshunter.io/ios/app/bullet-outliner/id6779955450)

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

**In-app purchases:** none


## Frequently asked questions

### Is DeeperAI free?

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

### Is Bullet free?

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

### Do DeeperAI or Bullet have ads?

Neither DeeperAI nor Bullet shows ads.

### Which is updated more often, DeeperAI or Bullet?

DeeperAI ships an update weekly, and Bullet every 2 weeks. Most recently, DeeperAI was updated on October 16, 2026 and Bullet on October 17, 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.*