# fast notifications vs MongoLens

The clearest difference is in-app purchases: fast notifications at none against MongoLens's 2. fast notifications also leads on update cadence (every 3 days vs every 2 weeks) and iOS requirement (15.5 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. MongoLens sells 2 in-app purchases, starting at $5.99 per month. fast notifications asks for nothing beyond the download.

fast notifications ships an update every 3 days, MongoLens every 2 weeks. The most recent releases landed on September 19, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | fast notifications | MongoLens |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Size | 2 MB | 25 MB |
| Requires iOS | **15.5** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Types Fast, LLC](https://appshunter.io/developer/1610952435) | [ENES ULUDAG](https://appshunter.io/developer/1883720472) |

## What reviewers say

### fast notifications

[App page](https://appshunter.io/ios/app/fast-notifications/id6472682016)

**In-app purchases:** none


### MongoLens

[App page](https://appshunter.io/ios/app/mongolens/id6760301310)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.99 | per month |
| Yearly | $19.99 | per year |


## Frequently asked questions

### Is fast notifications free?

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

### Is MongoLens free?

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

### Do fast notifications or MongoLens have ads?

Neither fast notifications nor MongoLens shows ads.

### Which is updated more often, fast notifications or MongoLens?

fast notifications ships an update every 3 days, and MongoLens every 2 weeks. Most recently, fast notifications was updated on September 19, 2026 and MongoLens on September 24, 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.*