Comparison

EmailOnDeck vs Side Space

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

EmailOnDeck

Instantly generate a free, disposable email address with no account required. Use it for sign-ups, verification codes, and to protect your real inbox from spam. Messages arrive in real-time with automatic verification code detection.

Highlights
  • Instant disposable email addresses
  • Real-time inbox with push notifications
  • One-tap verification code copy
  • Read full messages with attachments
  • On-device archive of past mail
  • Ad removal and multiple inboxes (paid)
Read full description

Trusted since 2015, EmailOnDeck gives you a free, disposable email address in one tap - no account, no sign-up, no personal details. Use it anywhere you need an email but don't want to hand over your real one: sign-ups, downloads, free trials, one-time verification codes, and anything that might invite spam. Open the app and your address is ready. Mail arrives in real time, and EmailOnDeck automatically detects verification codes so you can copy them without even opening the message. When you're done, delete the address and move on - your real inbox stays clean and private. FREE - Instant disposable email addresses - Real-time inbox with push notifications - One-tap verification-code copy - Read full messages, including images and attachments - Keep a private, on-device archive of past mail UNLOCK - $2.99, one time (no subscription) - Remove all ads, forever - Up to 10 active inboxes at once - Choose your own address name - Unlock your full archive (message bodies and attachments) No accounts. No linking to your real identity. Just fast, private, disposable email when you need it. Disposable addresses and their mail are temporary by design - keep anything important somewhere permanent.

About

Side Space

Create and manage multiple isolated environments on your device. Each environment has its own web sessions, notes, photos, and can be secured with a passcode or Face ID. Ideal for separating personal and work accounts or for private browsing.

Highlights
  • Multiple isolated environments
  • Separate web sessions and logins
  • Private notes and photos
  • Face ID/passcode protected spaces
  • Customizable app presets
  • Proxy support per space
Features
Read full description

SideSpace keeps several separate environments on one iPhone or iPad. Each Space has its own web sessions, its own notes, its own photos, and its own lock. TWO ACCOUNTS, ONE PHONE Sign in to the same service twice — one account in your Work Space, another in Personal — and the two never see each other. Each Space keeps its own cookies and its own sign-ins, so switching Space switches everything at once. No signing out, no re-entering passwords. WHAT LIVES IN A SPACE • Web apps you pin, each opening straight to the service you signed into in that Space • A browser for everything else, with its own tabs and history • Notes • Photos and videos, kept inside the Space and never added to your Photos library • A camera that saves directly into the Space it was opened from PRIVATE SPACES A Space can be marked Private. Private Spaces are not listed at all until you unlock them — their names stay hidden, not just their contents, so handing someone your phone does not show them what you keep separate. Unlock with Face ID, or with a passcode that is separate from your device's own code. YOUR DATA STAYS ON YOUR PHONE There is no account to create and no server to sync to. Everything a Space holds is stored on your device. Export a backup to a file whenever you want one. STARTS WITH SOMETHING USEFUL Pick what a Space is for — work, selling, studying, creating — and it arrives with the apps that usually go with it. You see the full list and approve it before anything is created. A PROXY PER SPACE Spaces already keep separate logins, but they share one connection. Point a Space at your own proxy and its web traffic leaves by its own route, while your other Spaces are untouched. You bring the proxy — SideSpace runs no servers and sells no bandwidth. A NOTE ON WHAT THIS IS SideSpace runs services in isolated web sessions. It does not clone or modify any app, and it is not affiliated with, endorsed by, or sponsored by any service you add. Web sign-ins are not included in backups, and web push notifications are not available in a web session — if you need alerts from a service, keep its own app installed alongside. SideSpace Premium unlocks unlimited Spaces, private Spaces, and ad blocking. Privacy Policy: https://sangcaolabs.com/apps/sidespace/privacy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

EmailOnDeck4 screens
Side Space4 screens

Verdict

The call

The clearest difference is rating: Side Space at 4.9 against EmailOnDeck's 4.1. Side Space also leads on ads (none vs shown) and update cadence (every 4 days vs every 5 weeks). EmailOnDeck's advantage is iOS requirement (15.1 vs 17.0). On price, ratings volume, in-app purchases and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. EmailOnDeck sells 1 one-off in-app purchase and Side Space sells 4 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Side Space holds the better App Store score, 4.9 against 4.1. Both are backed by a comparable volume of ratings — 7 and 8 respectively.

UpkeepUpdate frequency

EmailOnDeck ships an update every 5 weeks, Side Space every 4 days. The most recent releases landed on November 5, 2026 and November 13, 2026 respectively.

Scorecard4 real differences · 6 level
EmailOnDeck versus Side Space: the parameters behind the verdict, then further details
ParameterEmailOnDeckSide Space
PriceFreeFree
Rating4.1 (7 ratings)4.9 (8 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings78 — better
Update frequencyEvery 5 weeksEvery 4 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size42 MB18 MB
Age rating4+17+
DeveloperLucid LX LLCSang Cao

Customer experience

EmailOnDeck

All ratings4 ratings
Positive75.0%
Neutral25.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Side Space

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

EmailOnDeck

One-time1
  • EmailOnDeck Unlock$2.99
4 purchases

Side Space

Subscriptions3
  • Weekly$2.997 Days
  • Monthly$5.991 Month
  • Yearly$14.991 Year
One-time1
  • Lifetime$24.99

Questions

Is EmailOnDeck free?
EmailOnDeck is free to download, with in-app purchases available.
Is Side Space free?
Side Space is free to download, with in-app purchases available.
Which has better reviews, EmailOnDeck or Side Space?
Side Space is rated higher. EmailOnDeck averages 4.1 out of 5 from 7 ratings, while Side Space averages 4.9 from 8 ratings.
Do EmailOnDeck or Side Space have ads?
EmailOnDeck shows ads; Side Space does not.
Which is updated more often, EmailOnDeck or Side Space?
EmailOnDeck ships an update every 5 weeks, and Side Space every 4 days. Most recently, EmailOnDeck was updated on November 5, 2026 and Side Space on November 13, 2026.

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