# JustPeriod. vs CycleSync

The clearest difference is in-app purchases: CycleSync at none against JustPeriod.'s 1. CycleSync also leads on update cadence (every 2 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. JustPeriod. sells 1 one-off in-app purchase. CycleSync asks for nothing beyond the download.

JustPeriod. ships an update every 3 weeks, CycleSync every 2 days. Both last shipped on October 12, 2026.

## The numbers

| Metric | JustPeriod. | CycleSync |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Size | 20 MB | 2 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 17+ |
| Developer | [AiVax](https://appshunter.io/developer/1885892992) | [Sergei Antropov](https://appshunter.io/developer/1895601114) |

## What reviewers say

### JustPeriod.

[App page](https://appshunter.io/ios/app/justperiod/id6760718815)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $59.99 | one-time |


### CycleSync

[App page](https://appshunter.io/ios/app/cyclesync/id6764020007)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JustPeriod. free?

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

### Is CycleSync free?

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

### Do JustPeriod. or CycleSync have ads?

Neither JustPeriod. nor CycleSync shows ads.

### Which is updated more often, JustPeriod. or CycleSync?

JustPeriod. ships an update every 3 weeks, and CycleSync every 2 days. Most recently, JustPeriod. was updated on October 12, 2026 and CycleSync on October 12, 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.*