# Notify IM vs Asprey Surveys

The clearest difference is iOS requirement: Asprey Surveys at 15.0 against Notify IM's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Notify IM ships an update every 5 weeks, Asprey Surveys monthly. The most recent releases landed on November 7, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Notify IM | Asprey Surveys |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Size | 50 MB | 39 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Notify Technology](https://appshunter.io/developer/1338812994) | [Asprey Management Solutions Limited](https://appshunter.io/developer/1640082853) |

## What reviewers say

### Notify IM

[App page](https://appshunter.io/ios/app/notify-im/id1466921736)

**Features:** Vision Pro support

**In-app purchases:** none


### Asprey Surveys

[App page](https://appshunter.io/ios/app/asprey-surveys/id6770544908)

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

**In-app purchases:** none


## Frequently asked questions

### Is Notify IM free?

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

### Is Asprey Surveys free?

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

### Do Notify IM or Asprey Surveys have ads?

Neither Notify IM nor Asprey Surveys shows ads.

### Which is updated more often, Notify IM or Asprey Surveys?

Notify IM ships an update every 5 weeks, and Asprey Surveys monthly. Most recently, Notify IM was updated on November 7, 2026 and Asprey Surveys on October 28, 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.*