# BuyTime vs Sis Work

The clearest difference is update cadence: BuyTime at fortnightly against Sis Work's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

BuyTime ships an update fortnightly, Sis Work every 6 weeks. The most recent releases landed on September 17, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | BuyTime | Sis Work |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Size | 20 MB | 106 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Atlosz Interactive](https://appshunter.io/developer/1195417361) | [ASSA ABLOY Opening Solutions Hungary Kft](https://appshunter.io/developer/1102976407) |

## What reviewers say

### BuyTime

[App page](https://appshunter.io/ios/app/buytime/id6443672558)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sis Work

[App page](https://appshunter.io/ios/app/sis-work/id6450505803)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BuyTime free?

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

### Is Sis Work free?

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

### Do BuyTime or Sis Work have ads?

Neither BuyTime nor Sis Work shows ads.

### Which is updated more often, BuyTime or Sis Work?

BuyTime ships an update fortnightly, and Sis Work every 6 weeks. Most recently, BuyTime was updated on September 17, 2026 and Sis Work on June 1, 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.*