# OTS Pulse vs A

OTS Pulse and A are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

OTS Pulse ships an update every 2 months, A monthly. The most recent releases landed on October 16, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | OTS Pulse | A |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 19 MB | 52 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Ojmar Intelligent Locking Systems](https://appshunter.io/developer/1353773747) | [Tidy Locks and Fittings Sdn Bhd](https://appshunter.io/developer/1795173824) |

## What reviewers say

### OTS Pulse

[App page](https://appshunter.io/ios/app/ots-pulse/id6449291874)

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

**In-app purchases:** none


### A

[App page](https://appshunter.io/ios/app/a-zum/id6741703895)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OTS Pulse free?

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

### Is A free?

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

### Do OTS Pulse or A have ads?

Neither OTS Pulse nor A shows ads.

### Which is updated more often, OTS Pulse or A?

OTS Pulse ships an update every 2 months, and A monthly. Most recently, OTS Pulse was updated on October 16, 2026 and A on October 2, 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.*