# FSA Flexible Spending Account vs Mode Zero

The clearest difference is in-app purchases: FSA Flexible Spending Account at none against Mode Zero's 2. FSA Flexible Spending Account also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.2). On price, update cadence and ads there is nothing between them.

Both are free to download. Mode Zero sells 2 in-app purchases, starting at $4.99 per month. FSA Flexible Spending Account asks for nothing beyond the download.

FSA Flexible Spending Account ships an update monthly, Mode Zero every 3 weeks. The most recent releases landed on October 30, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | FSA Flexible Spending Account | Mode Zero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.4 (5 ratings)](https://appshunter.io/ios/app/mode-zero-sobriety-tracker/id6762463867/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | — | Freemium |
| Size | 36 MB | 68 MB |
| Requires iOS | **15.1** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [Think Discount, LLC](https://appshunter.io/developer/1102691371) | [ModeZero LLC](https://appshunter.io/developer/1894242701) |

## What reviewers say

### FSA Flexible Spending Account

[App page](https://appshunter.io/ios/app/fsa-flexible-spending-account/id6444246150)

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

**In-app purchases:** none


### Mode Zero

[App page](https://appshunter.io/ios/app/mode-zero-sobriety-tracker/id6762463867)

A calm and focused recovery tracker to help you quit any habit, from substances to behaviors. It provides clear metrics on clean time, savings, and health improvements without pressure or shame. Track your progress with a daily pledge, journal, and milestone achievements.

**Highlights:** Track clean time to the second, Monitor physical and mental health improvements, Calculate savings from quitting habits, Daily pledge and streak history, Personal journal for reflections, Milestone achievements and bonus content, Optional shareable progress cards

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro \| Monthly | $4.99 | per month |
| Pro \| Yearly | $29.99 | per year |


## Frequently asked questions

### Is FSA Flexible Spending Account free?

FSA Flexible Spending Account is free to download, with no in-app purchases.

### Is Mode Zero free?

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

### Do FSA Flexible Spending Account or Mode Zero have ads?

Neither FSA Flexible Spending Account nor Mode Zero shows ads.

### Which is updated more often, FSA Flexible Spending Account or Mode Zero?

FSA Flexible Spending Account ships an update monthly, and Mode Zero every 3 weeks. Most recently, FSA Flexible Spending Account was updated on October 30, 2026 and Mode Zero on October 14, 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.*