# mainstay vs FlexiPurchase

The clearest difference is iOS requirement: FlexiPurchase at 16.7.11 against mainstay's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

mainstay ships an update every 2 months, FlexiPurchase every 3 months. The most recent releases landed on October 16, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | mainstay | FlexiPurchase |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/flexipurchase/id1148473524/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 8.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | — | Free |
| Size | 15 MB | 171 MB |
| Requires iOS | 18.6 | **16.7.11** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Maintenance and Project Engineering](https://appshunter.io/developer/725401482) | [National Australia Bank](https://appshunter.io/developer/373434226) |

## What reviewers say

### mainstay

[App page](https://appshunter.io/ios/app/mainstay/id725401479)

**In-app purchases:** none


### FlexiPurchase

[App page](https://appshunter.io/ios/app/flexipurchase/id1148473524)

Manage your expenses effortlessly on the go. Capture expense data, photograph receipts with OCR extraction, and track card purchases. Code, submit, and approve expenses directly from your mobile device with banking-grade security.

**Highlights:** Capture expense data, Scan receipts with OCR, Track card purchases, Code and submit expenses, Approve expenses, Receipt image library

**Features:** Apple Wallet

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to upload receipts
- 👍 Good for basic expense tracking
- 👍 Works well on iPad
- 👍 Saves time on receipt scanning

**What reviewers complain about**

- 🐛 Constant crashing
- 🐛 Frequent account lockouts
- 🐛 Password issues (expiration, reset)
- 🐛 Clunky and complicated interface
- 🐛 Slow upload speeds

**Reported bugs**

- Constant crashing when saving
- App locks for no reason
- Freezing when adding receipts
- Randomly closing during use
- Auto receipt attachment disappeared

**Requested features**

- Allow PDF receipt upload
- Implement Face ID/Touch ID
- Add push notifications
- Improve password management
- Allow PDF receipt upload


## Frequently asked questions

### Is mainstay free?

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

### Is FlexiPurchase free?

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

### Do mainstay or FlexiPurchase have ads?

Neither mainstay nor FlexiPurchase shows ads.

### Which is updated more often, mainstay or FlexiPurchase?

mainstay ships an update every 2 months, and FlexiPurchase every 3 months. Most recently, mainstay was updated on October 16, 2026 and FlexiPurchase on October 26, 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.*