Zalo vs 100 Days!
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Zalo
This messaging app offers fast and private communication with friends. Send text, voice, and group messages, share your location, and discover new people nearby. It also allows for in-app games and expressive emoticons.
- Fast messaging with instant notifications
- Expressive emoticons and stickers
- High-quality voice messaging
- Discover and connect with nearby friends
- Easy group messaging
- In-app games
- Location sharing
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(Vietnamese below) Zalo is the new market-leading messaging app with amazing features. * Rich feature set: => Message your friend in a snap. Receive notifications the moment they reply back. => Express your emotion with fun and cheerful emoticons and stickers. => Send voice messages with fantastic quality and no outside noises => Find and get acquainted with friends nearby. => Send group messages easily with no effort. => Discover and play games with your friends. => Share your location. => High level of privacy. Download Zalo and chat with your friends! Terms of Use: https://zalo.vn/dieukhoan/ Support Information: - Online: https://zalo.me/zalohotroiOS - Email: feedback@zalo.me - Website: https://zalo.me --- Zalo là ứng dụng nhắn tin kiểu mới và kết nối cộng đồng hàng đầu cho người dùng di động Việt. * Zalo có điều gì đặc biệt? => Tốc độ gửi tin nhắn cực nhanh, bạn luôn nhận được thông báo khi có tin nhắn mới kể cả khi không mở ứng dụng. => Thể hiện cảm xúc với emoticon và hình động vui nhộn. => Nhắn tin lời nói với chất lượng âm thanh nén rõ ràng, không tạp âm, không méo tiếng. => Kết nối bạn với những người thú vị xung quanh nơi bạn ở. * Chat với bạn bè, gửi tin nhắn nhóm trong danh bạ thật dễ dàng (chat, sms, voice, photo, games). * Gặp gỡ với những người bạn thú vị trên Phòng Trò Chuyện hoặc Xung quanh nơi bạn ở. * Chia sẻ những khoảnh khắc ngay tức thì với gia đình và bạn bè. * Chia sẻ vị trí. * An toàn và riêng tư. Hãy kích hoạt Zalo và chat ngay với bạn bè trong danh bạ! Thỏa thuận dịch vụ: https://zalo.vn/dieukhoan/ Hỗ trợ người dùng: - Trực tuyến: https://zalo.me/zalohotroiOS - Email: feedback@zalo.me - Website: https://zalo.me
100 Days!
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100 Days turns the next 100 days into something you'll actually remember. Each day, pick your vibe and get fresh, real-life activity ideas tuned to your mood, the weather, and what you're into: getting outside, making things, food adventures, creative projects, self-care, giving back, and more. Check them off, snap a photo, and watch your 100-day grid fill in. Do it with friends. Make a crew, see what you both want to do, plan your weekend, and vote on the day's activity together. Celebrate birthday weeks and seasonal holidays along the way. Three seasons, three journeys. Summer, fall, and spring each get their own 100-day grid and their own ideas, so there's always a new run to start. - A daily set of ideas, picked for your vibe and today's weather - A 100-day grid that fills with everything you pull off - Photo memories for each activity - Crews: plan, share, and vote with friends - Birthday weeks, holidays, and seasonal packs - No ads. No feed. Just a nudge to go do something. For ages 13+. Made by a tiny team. A season worth checking off.
Screenshots
Verdict
The clearest difference is in-app purchases: 100 Days! at none against Zalo's 24. 100 Days! also leads on ads (none vs shown) and update cadence (every 2 days vs fortnightly). Zalo's advantage is chart position (#165 vs unranked). On price, 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
Both are free to download. Zalo sells 21 in-app purchases, starting at $0.99 per month. 100 Days! asks for nothing beyond the download.
Zalo ships an update fortnightly, 100 Days! every 2 days. The most recent releases landed on November 1, 2026 and September 19, 2026 respectively.
| Parameter | Zalo | 100 Days! |
|---|---|---|
| Price | Free | Free |
| Rating | 2.1 (8.6K ratings) — better | — |
| Positive reviews | 6.3% of reviews | — |
| Number of ratings | 8.6K — better | — |
| Update frequency | Fortnightly | Every 2 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #165 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 278 MB | 12 MB |
| Age rating | 12+ | 4+ |
| Developer | Zalo Group | Limestone Labs LLC |
Bugs and requests
Zalo
Reported bugs
4 issues- Unable to receive verification codes
- Inconsistent performance on different devices
- Deleted accounts and lost data
- Unreliable video/audio calls
Requested features
4 requests- Ability to use on multiple devices simultaneously
- Improved cloud sync and backup
- Better translation and language support
- Option to disable unwanted notifications
100 Days!
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Zalo
- zCloud Mini$0.991 Month
- zStyle - 1 Month2 Months trial$0.991 Month
- zStyle - 1 Month2 variants$0.991 Month
Show 12 moreShow fewer
- zCloud 100GB Monthly$1.991 Month
- zStyle - 6 Months2 variants$3.996 Months
- zStyle - Annual1 Year trial$5.991 Year
- zStyle - 12 Months7 Days trial$6.991 Year
- zStyle - 12 Months$6.991 Year
- zCloud Mini$9.991 Year
- Pro 1 month$9.991 Month
- zCloud Standard$22.991 Year
- zCloud Standard$24.991 Year
- zCloud Family$79.991 Year
- Pro 12 months1 Year trial$99.991 Year
- Pro 12 months$99.991 Year
- Sticker zStyle - 29K$0.99
- Sticker zStyle - 9K$0.99
- Sticker zStyle - 19K$0.99
Show 3 moreShow fewer
- Gift zStyle - 3M$1.99
- Gift zStyle - 6M$2.99
- Gift zStyle - 12M$5.99
100 Days!
No in-app purchases
