# CycleStack vs StackLab

The clearest difference is update cadence: StackLab at fortnightly against CycleStack's every 2 months. CycleStack's advantage is iOS requirement (15.1 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CycleStack sells 3 in-app purchases, starting at $2.99 per month and StackLab sells 3 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

CycleStack ships an update every 2 months, StackLab fortnightly. The most recent releases landed on September 23, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | CycleStack | StackLab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 45 MB | 24 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NIKOLAOS SYNANIDIS](https://appshunter.io/developer/1892639367) | [BigBalli Consulting llc](https://appshunter.io/developer/363765325) |

## What reviewers say

### CycleStack

[App page](https://appshunter.io/ios/app/cyclestack/id6762042997)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Annual Premium | $17.99 | per year |
| Lifetime Access | $39.99 | one-time |


### StackLab

[App page](https://appshunter.io/ios/app/stacklab-supplement-tracker/id6762133065)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $6.99 | per month |
| Yearly | $49.99 | per year |
| Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is CycleStack free?

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

### Is StackLab free?

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

### Do CycleStack or StackLab have ads?

Neither CycleStack nor StackLab shows ads.

### Which is updated more often, CycleStack or StackLab?

CycleStack ships an update every 2 months, and StackLab fortnightly. Most recently, CycleStack was updated on September 23, 2026 and StackLab on September 19, 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.*