# iPeriodic for iPhone vs Synonyms

The clearest difference is in-app purchases: Synonyms at none against iPeriodic for iPhone's 1. iPeriodic for iPhone's advantage is update cadence (every 8 days vs every 29 months) and iOS requirement (6.1 vs 12.0). On price, ads and device support there is nothing between them.

Both are free to download. iPeriodic for iPhone sells 1 one-off in-app purchase. Synonyms asks for nothing beyond the download.

iPeriodic for iPhone ships an update every 8 days, Synonyms every 29 months. The most recent releases landed on October 12, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | iPeriodic for iPhone | Synonyms |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 29 months |
| Size | 16 MB | 38 MB |
| Requires iOS | **6.1** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Thitipong Wongsatho](https://appshunter.io/developer/683911170) | [Kittipong Intaboot](https://appshunter.io/developer/972195994) |

## What reviewers say

### iPeriodic for iPhone

[App page](https://appshunter.io/ios/app/iperiodic-for-iphone/id963558647)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads ($0.99) | $0.99 | one-time |


### Synonyms

[App page](https://appshunter.io/ios/app/synonyms/id1466020339)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iPeriodic for iPhone free?

iPeriodic for iPhone is free to download, with in-app purchases available.

### Is Synonyms free?

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

### Do iPeriodic for iPhone or Synonyms have ads?

Neither iPeriodic for iPhone nor Synonyms shows ads.

### Which is updated more often, iPeriodic for iPhone or Synonyms?

iPeriodic for iPhone ships an update every 8 days, and Synonyms every 29 months. Most recently, iPeriodic for iPhone was updated on October 12, 2026 and Synonyms 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.*