# BuddyAi vs Lexis Graph

The clearest difference is in-app purchases: BuddyAi at none against Lexis Graph's 3. BuddyAi also leads on update cadence (every 6 days vs every 3 weeks) and iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Lexis Graph sells 3 in-app purchases, starting at $1.99 per month. BuddyAi asks for nothing beyond the download.

BuddyAi ships an update every 6 days, Lexis Graph every 3 weeks. The most recent releases landed on October 3, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | BuddyAi | Lexis Graph |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Size | 116 MB | 121 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [剑峰 林](https://appshunter.io/developer/1840050766) | [禹 杜](https://appshunter.io/developer/1826041186) |

## What reviewers say

### BuddyAi

[App page](https://appshunter.io/ios/app/buddyai/id6749151251)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lexis Graph

[App page](https://appshunter.io/ios/app/lexis-graph/id6783677179)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 「Lexis Graph」Pro Monthly | $1.99 | per month |
| 「Lexis Graph」Pro Yearly | $14.99 | per year |
| 「Lexis Graph」Pro Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is BuddyAi free?

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

### Is Lexis Graph free?

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

### Do BuddyAi or Lexis Graph have ads?

Neither BuddyAi nor Lexis Graph shows ads.

### Which is updated more often, BuddyAi or Lexis Graph?

BuddyAi ships an update every 6 days, and Lexis Graph every 3 weeks. Most recently, BuddyAi was updated on October 3, 2026 and Lexis Graph on October 19, 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.*