# ThinkByte vs PureSend

The clearest difference is update cadence: PureSend at every 2 days against ThinkByte's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ThinkByte sells 1 one-off in-app purchase and PureSend sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ThinkByte ships an update fortnightly, PureSend every 2 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ThinkByte | PureSend |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (12 ratings)](https://appshunter.io/ios/app/thinkbyte-offline-local-ai/id6746089787/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 64 MB | 4 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ByteInk L.L.C-FZ](https://appshunter.io/developer/1765895279) | [家贺 万](https://appshunter.io/developer/1820076368) |

## What reviewers say

### ThinkByte

[App page](https://appshunter.io/ios/app/thinkbyte-offline-local-ai/id6746089787)

This AI assistant operates entirely on your device, offering private and fast responses without internet access. It's ideal for brainstorming, learning, and getting writing support, ensuring your data remains secure and local.

**Highlights:** Fully offline AI operation, Private and secure on-device data, Instant AI responses, Choice of local AI models, Writing and learning support, No accounts or tracking

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $9.99 | one-time |


### PureSend

[App page](https://appshunter.io/ios/app/puresend-fast-file-share/id6754831756)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $0.99 | per 7 days |
| Premium Yearly | $3.99 | per year |
| Premium Lifetime | $5.99 | one-time |


## Frequently asked questions

### Is ThinkByte free?

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

### Is PureSend free?

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

### Do ThinkByte or PureSend have ads?

Neither ThinkByte nor PureSend shows ads.

### Which is updated more often, ThinkByte or PureSend?

ThinkByte ships an update fortnightly, and PureSend every 2 days. Most recently, ThinkByte was updated on October 24, 2026 and PureSend on October 25, 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.*