One Diary! vs FSSD
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
One Diary!
Easily record your daily life with beautiful templates and summaries. This app helps you build a habit of journaling, offers secure storage, and allows sharing your memories.
- Daily diary entries
- Beautiful diary templates
- Cloud backup and sync
- Shareable diary cards
- Daily writing reminders
- Password protection
- PDF export
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"One Diary!" lets you record your day in the easiest way. Are you busy with work or study every day? Do you have time to stop and review some of the beauty that happened today? Do you remember how you spent last year today? It's time to cultivate the habit of keeping a diary, record good things, and record a bit - in the simplest way. Write a daily diary, each diary is summarized with a picture and a few words. Writing a diary is no longer your burden. Open "One Diary!" every night, in the best way, let us help you form the habit! ---------- - One Diary currently has 5 beautiful diary format templates to choose from, so your diary is no longer monotonous. - One Diary does not only keep your diary locally, but also last time to the far end. Don't worry about your device being lost if you change your device. - Each journal can generate beautiful cards, save them to albums, or share them where you want to share. - You can set up a reminder to remind you to write a diary at a fixed time every day to develop a good habit of recording every day. - Are you worried about your diary when you use your phone? You can lock your diary and keep your privacy safe. - When editing a diary, you can selectively publish your diary and share your wonderful life with partners around the world. - Add friends and keep a journal with your partner. - Support PDF export diary, don't worry about the diary lost. --- Contact me --- If you have any questions, please contact us. Perhaps your suggestion will appear in future versions, let us make progress together! email : olive_lan@126.com QQ group : 686237990 WeChat: ganlan0415
FSSD
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The FSSD application is a convenient tool Support for music playback and image browsing Support for taking photos and recording videos
Screenshots
Verdict
The clearest difference is price: FSSD at Free against One Diary!'s $0.99. FSSD also leads on in-app purchases (none vs 3) and ads (none vs shown). One Diary!'s advantage is update cadence (fortnightly vs every 6 months). On device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
FSSD is free to download; One Diary! costs $0.99 up front. One Diary! sells 3 one-off in-app purchases. FSSD asks for nothing beyond the download.
One Diary! ships an update fortnightly, FSSD every 6 months. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.
| Parameter | One Diary! | FSSD |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.5 (2 ratings) — better | — |
| Positive reviews | 91.3% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Fortnightly — better | Every 6 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 57 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | 岚 甘 | Shenzhen Invincible Four Season Technology Co., Ltd. |
In-app purchases
One Diary!
- cup of drink$0.99
- doughnut$1.99
- steak$4.99
FSSD
No in-app purchases
