# InstaLM vs ZapYap

The clearest difference is in-app purchases: ZapYap at none against InstaLM's 9. InstaLM's advantage is update cadence (every 4 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. InstaLM sells 9 in-app purchases, starting at $4.99 per 7 days. ZapYap asks for nothing beyond the download.

InstaLM ships an update every 4 days, ZapYap every 2 weeks. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | InstaLM | ZapYap |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Size | 29 MB | 41 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [旻 蔡](https://appshunter.io/developer/1454667188) | [Neutron Lock](https://appshunter.io/developer/1782916305) |

## What reviewers say

### InstaLM

[App page](https://appshunter.io/ios/app/instalm/id6504527345)

**Features:** Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| InstaLM Plus (Weekly) | $4.99 | per 7 days |
| InstaLM Pro (Weekly) | $9.99 | per 7 days |
| InstaLM Plus (Monthly) | $19.99 | per month |
| InstaLM Pro (Monthly) | $39.99 | per month |
| InstaLM Plus (Annual) | $199.99 | per year |
| InstaLM Pro (Annual) | $399.99 | per year |
| InstaLM 2,500 Credits | $1.99 | one-time |
| InstaLM 6,250 Credits | $4.99 | one-time |
| InstaLM 12,500 Credits | $9.99 | one-time |


### ZapYap

[App page](https://appshunter.io/ios/app/zapyap-ai-chat-plus-security/id6741761517)

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

**In-app purchases:** none


## Frequently asked questions

### Is InstaLM free?

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

### Is ZapYap free?

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

### Do InstaLM or ZapYap have ads?

Neither InstaLM nor ZapYap shows ads.

### Which is updated more often, InstaLM or ZapYap?

InstaLM ships an update every 4 days, and ZapYap every 2 weeks. Most recently, InstaLM was updated on November 4, 2026 and ZapYap on October 30, 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.*