# Achievery vs ThreadFlow · Parallel Timer

Achievery and ThreadFlow · Parallel Timer 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.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 8, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Achievery | ThreadFlow · Parallel Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Size | 4 MB | 47 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Dmitrijus Drozdovas](https://appshunter.io/developer/1180425018) | [Zero24 LLC](https://appshunter.io/developer/6777598182) |

## What reviewers say

### Achievery

[App page](https://appshunter.io/ios/app/achievery-gamify-your-life/id6756814791)

**Features:** macOS Compatibility

**In-app purchases:** none


### ThreadFlow · Parallel Timer

[App page](https://appshunter.io/ios/app/threadflow-parallel-timer/id6805435326)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Achievery free?

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

### Is ThreadFlow · Parallel Timer free?

ThreadFlow · Parallel Timer is free to download, with no in-app purchases.

### Do Achievery or ThreadFlow · Parallel Timer have ads?

Neither Achievery nor ThreadFlow · Parallel Timer shows ads.

### Which is updated more often, Achievery or ThreadFlow · Parallel Timer?

Achievery ships an update every 2 weeks, and ThreadFlow · Parallel Timer every 2 weeks. Most recently, Achievery was updated on September 8, 2026 and ThreadFlow · Parallel Timer on September 30, 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.*