# Day2Day vs Bladderly

The clearest difference is in-app purchases: Day2Day at none against Bladderly's 8. Day2Day also leads on update cadence (fortnightly vs every 6 weeks). Bladderly's advantage is iOS requirement (15.0 vs 17.5). On price, ads and device support there is nothing between them.

Both are free to download. Bladderly sells 8 in-app purchases, starting at $4.99 per month. Day2Day asks for nothing beyond the download.

Day2Day ships an update fortnightly, Bladderly every 6 weeks. The most recent releases landed on September 9, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Day2Day | Bladderly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (200 ratings)](https://appshunter.io/ios/app/bladderly-smart-bladder-diary/id1523268654/reviews)** |
| Number of ratings | — | **200** |
| Positive reviews | — | 77.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | — | Subscription |
| Size | 2 MB | 124 MB |
| Requires iOS | 17.5 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Coloplast Productos Medicos S.A](https://appshunter.io/developer/1112345915) | [Soundable Health, Inc.](https://appshunter.io/developer/1455952390) |

## What reviewers say

### Day2Day

[App page](https://appshunter.io/ios/app/day2day/id1107911529)

**Features:** macOS Compatibility

**In-app purchases:** none


### Bladderly

[App page](https://appshunter.io/ios/app/bladderly-smart-bladder-diary/id1523268654)

This app simplifies bladder diary tracking, replacing paper logs with an easy-to-use digital experience. It helps users consistently record bathroom visits and timing to identify patterns, aiding in discussions with healthcare providers.

**Highlights:** Digital bladder diary replacement, Easy and consistent logging, Log bathroom visits and timing, Optional sound-assisted volume estimation, Clear, organized records, Privacy-focused design

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Monthly | $4.99 | per month |
| Monthly | $9.99 | per month |
| Annual | $24.99 | per year |
| Annual | $24.99 | per year |
| Annual | $69.99 | per year |
| PDF Export Once | $1.99 | one-time |
| 3-Day Pass | $4.99 | one-time |


## Frequently asked questions

### Is Day2Day free?

Day2Day is free to download, with no in-app purchases.

### Is Bladderly free?

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

### Do Day2Day or Bladderly have ads?

Neither Day2Day nor Bladderly shows ads.

### Which is updated more often, Day2Day or Bladderly?

Day2Day ships an update fortnightly, and Bladderly every 6 weeks. Most recently, Day2Day was updated on September 9, 2026 and Bladderly on September 22, 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.*